17TH ISSUE

NEPAL ELECTRICITY AUTHORITY

GENERATION DIRECTORATE

FISCAL YEAR 2024/2025 (2081-2082)

AUGUST 2025 (BHADRA 2082)
DURBAR MARG, KATHMANDU, NEPAL

छ Ae et, ag dye ee बिन कार्या aan
[0 - ars pe 18, re ™ aon न #

Mr. Ram Kumar Yadav
Director

Mr. Bharat Kumar Poudel Mr. Keshav Raj Oli Mrs. Kabita Sharma
Joint Director Joint Director Deputy Manager

PUBLICATION TEAM

Mr. Suman Raj Manandhar Mr. Prakash Dahal Mr. Bibek Chaudhary
Assistant Manager Engineer Engineer

MESSAGE FROM THE

MANAGING DIRECTOR

It is with great pride and pleasure that I extend my warmest greetings to all readers on the occasion of the 40th
anniversary of the Nepal Electricity Authority (NEA). I am honored to contribute this message to the 17th
edition of the NEA Generation Directorate Magazine, a publication that continues to serve as a vital source of
information and insight for our stakeholders, policymakers, energy professionals, academics, and the wider
public.

The Generation Directorate remains at the heart of NEAs operations, managing twenty hydropower plants
- from the historic 500 kW Pharping Hydropower Plant, Nepal's first, to the major 144 MW Kaligandaki 'A' -
alongside two thermal power plants, culminating in a total installed capacity of 627.03 MW.

I am pleased to report that during the fiscal year 2081/82, total energy generation from these facilities reached
2,902.4 GWh, reflecting a slight increase over the previous year despite persistent hydrological challenges, such
as reduced precipitation and lower river discharge. This achievement underscores the resilience and efficiency
of our generation assets and the unwavering dedication of our operational teams.

A key highlight of the year was the successful export of surplus electricity to India during the wet season.
Several plants under the Generation Directorate — including Kaligandaki 'A; Middle-Marsyangdi, Marsyangdi,
Trishuli, and Devighat — played a crucial role in this milestone, supporting Nepal's growing presence in the
regional power trade.

Equally commendable is the performance of the Operation and Maintenance (O&M) teams within the
Generation Directorate. Their ability to respond promptly and effectively to technical challenges across our
diverse fleet of power stations has become a defining strength of NEA. From executing critical repairs and
overhauls to managing electromechanical and hydromechanical systems, these efforts have been largely driven
by in-house technical expertise, ensuring sustainability and cost efficiency.

To enhance reliability and efficiency, the Hydropower Plant Automation Project is progressing steadily, with
automation already underway at select stations. We are also advancing initiatives like transforming Pharping
Hydropower Plant into an energy museum, and exploring green hydrogen production with Kathmandu
University—steps that align with our broader vision for a sustainable energy future.

In closing, I extend my heartfelt appreciation to all employees of the Generation Directorate — from plant
managers to technical and maintenance staff — for their exceptional dedication, skill, and service. I also thank
the editorial team for their diligence in compiling and publishing this valuable magazine.

Together, let us continue driving NEA's mission forward as we enter a new era of energy security, sustainability,
and innovation.

Hitendra Dev Shakya
Managing Director

MESSAGE FROM DEPUTY
MANAGING DIRECTOR

I'm pleased to share the 17th issue of the NEA Generation Magazine, published

to mark the special occasion of the 40th Anniversary of the Nepal Electricity

Authority. This edition serves as a comprehensive reflection of our efforts and

achievements of generation directorate during the fiscal year 2081/82, providing

valuable insights into the performance and progress of NEA-owned power plants. It is

intended to inform and engage our wide spectrum of stakeholders — from energy professionals and academicians to
the broader public.

The Generation Directorate currently oversees the operation and maintenance of 20 hydroelectric power plants with
a combined installed capacity of 573.62 MW, along with 2 thermal power plants contributing an additional 53.41
MW. This brings the total installed capacity under the Directorate to 627.03 MW. While the Directorate has not
undertaken new construction projects in the recent fiscal year, our unwavering focus remains on maximizing the
generation potential of existing assets through efficient operation and systematic maintenance.

Our core priorities include:

¢ Optimizing generation through effective operation of storage, peaking run-of-river (PRoR) and run-of-river
(RoR) plants.

¢ Undertaking critical maintenance and rehabilitation of aging infrastructure.
¢ Ensuring reliability, safety, and efficiency across all power generation facilities.

In fiscal year 2081/82, despite persistent hydrological challenges, such as reduced precipitation and lower river
discharge, the total energy generated from NEA-operated plants reached 2902.4 GWh, reflecting a 0.86% increase
from the previous year (2877.6 GWh). In addition, the directorate successfully carried out extensive repair and
maintenance work across all major components — including turbines, generators, transformers, and both electro-
mechanical and hydro-mechanical systems — at PRoR and RoR power stations.

Under a tripartite agreement between Nepal Electricity Authority (NEA), Bangladesh Power Development Board
(BPDB), and India's NTPC Vidyut Vyapar Nigam (NVVN), Nepal commenced the export of 40 MW of electricity
to Bangladesh in mid-June 2025. This seasonal arrangement, which will run annually through mid-November,
is supplied by generation from the Trishuli and Chilime hydropower plants. The initiative marks a significant
milestone in Nepal's cross-border energy trade and its growing role in the regional power market.

Looking forward, we have initiated the Hydropower Plant Automation Project, with initial implementation at
Kulekhani-I and Kulekhani-II hydropower stations. The second phase will extend automation to Modi Khola and
Marsyangdi HPS, enhancing operational efficiency and remote monitoring capabilities.

As we mark four decades of dedicated service to the nation, I take this opportunity to express my sincere gratitude
to the Managing Director for his guidance and continuous support. I also commend the unwavering commitment
of our Directorate's staff, whose hard work underpins every milestone we achieve. Lastly, I extend my appreciation
to the editorial and publication team for their outstanding effort in bringing out the 17th edition of the Generation

Magazine. ae

Madan Timsina
Deputy Managing Director

सा नी OF
CONTENTS

Executives 1

Plant Chiefs 2

Organizational Structure Of Nepal Electricity Authority 4

Corporate Structure Of Generation Directorate 5

Generation Directorate 7

Large Generation Operation And Maintenance Department 11
Kaligandaki 'A' Hydropower Station 12
Middle Marsyangdi Hydropower Station 16
Marsyangdi Hydropower Station 20
Upper Trishuli 3A Hydropower Station 24
Kulekhani-I Hydropower Station 28
Kulekhani-II Hydropower Station 34
Chameliya Hydropower Station 38
Medium Generation Operation And Maintenance Department 42
Trishuli Hydropower Station 43
Gandak Hydropower Station 47
Devighat Hydropower Station 51
Modikhola Hydropower Station 55
Kulekhani- III Hydropower Station 58
Sunkoshi Hydropower Station 62
[lam (Puwa Khola) Hydropower Station 66
Chatara Hydropower Station 70
Panauti Hydropower Station 73
Seti Hydropower Station 77
Fewa Hydropower Station 80
Sundarijal Hydropower Station 83
Pharping Hydropower Station 86
Thermal Power Plants 88
Generation Development And Support Department 89
Electromechanical Workshop Construction Project 90
Hydropower Automation Project 91

Details of NEA Power Plants 92

Front Cover Image : View of Penstock (Sunkoshi HPS)
Back Cover Image : GIS of Upper Trishuli 3A HPS
Unit Overhauling of Chameliya HPS

Design & Print :

Rolwaling Offset Press

Address : Baneshwor, Kathmandu
Phone: 9851102229

Email: bishnuppress@gmail.com

म

Mr. Madan Timsina
Deputy Managing Director,
Generation Directorate

Mr. Subhash Kumar Mishra Mr. Ram Kumar Yadav Mr. Aniruddha Poudel

Director Director Director
Kulekhani II] Hydropower Large Generation O&M Dept Generation Development and
Project Chameliya Hydropower Project Support Dept

Mr. Bharat Kumar Poudel Mr. Keshav Raj Oli Mr. Kapil Dev Manjan
Joint Director Joint Director Chief
Finance Division og Division Medium Generation O&M Dept

——— क NEPAL ELECTRICITY AUTHORITY
छ Generation Directorate 2081/2082

a CHIEFS/PROJECT CHIEFS

Mr. Dhirendra Chaudhary Mr. Tara Datt Bhatt Mr. Pawan Basnyat
(Manager) (Manager) (Manager)
Upper Trishuli 3A HPS Kulekhani I HPS Middle Marsyangdi HPS

@।।

Mr. Atmesh Paudyal Mr. Pashupati Raj Gautam Mr. Suresh Raut
(Manager) (Manager) (Deputy Manager)
Kaligandaki 'A' HPS Marsyangdi HPS Upper Trishuli 3A Hydroelectric Project

Mr. Prahlad Raut Mr. Surendra Karki Mr. Suraj Dahal (Deputy Manager)

(Deputy Manager) (Deputy Manager) Electromechanical Workshop

Kulekhani-I] HPS Modi HPS Construction Project

g

———— Prasanna Muni Tamrakar Mr. Pradeep Singh

(Deputy Manager) (Deputy Manager) (Deputy Manager)
Chameliya HPS Kulekhani-III HPS & Hetauda Devighat HPS

Diesel Plant
दियी Generation Directorate 20812082 रे) NEPAL ELECTRICITY AUTHORITY
'~/ Generation Directorate 2081/2082

17 Issue : 2082

Mr. Puran Sob Mr. Pitambar Bhusal Mr. Shiv Kumar Thapa
(Asst. Manager) (Asst. Manager) (Asst. Manager)

Trishuli HPS Gandak HPS Puwa Khola HPS

Mr. Harish Chandra Dhital Mr. Umang Karki Mr. Chiranjibi Acharya
(Asst. Manager) (Asst. Manager) (Engineer)
Sunkoshi HPS Hydropower Plant Automation Project Seti FewaHPS

Mr. Shivaraj Timilsina Mr. Pawan Ghimire Mr. Rabindra Mandal

(Engineer) (Engineer) (Asst. Engineer)
Panauti HPS Chatara HPS & Multifuel Power Sundarijal HPS
Plant

9 पछि fm.

Mr. Mahesh Shrestha
(Foreman)
———— HPS

(8 Generation Directorate 20812082 _ —agun NEPAL ELECTRICITY AUTHORITY
x Generation Directorate 2081/2082

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17 Issue : 2082

a Ss NEPAL ELECTRICITY AUTHORITY
र Generation Directorate 2081/2082

GENERATION DIRECTORATE

The Generation Directorate, led by the Deputy
Managing Director, oversees the efficient operation
and maintenance of existing hydropower stations
owned by NEA. The directorate manages a total
installed capacity of 627 MW, consisting of 573.6
MW from twenty hydropower stations and 53.41 MW
from two thermal power plants.

The mission of the Generation Directorate is to
maximize energy generation through optimal
resource utilization. This includes periodic overhauls,
major maintenance, and rehabilitation projects at
the generating stations. However, over the years, as
hydropower usage has increased, thermal plants have
made only nominal contributions to energy generation.

With a reformation in the organization structure in
this fiscal year, the directorate is constrained to three

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———— NEPAL ELECTRICITY AUTHORITY
'<7 Generation Directorate 2081/2082

Timeline of Hydropower Plants development by NEA

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1911 1934 1963 1965 1967 1969 1972 1979 1982 1984 1985 1986 1989 1990 1996 1999 2000 2002 2008 2018 2019 2019

departments and two divisions.

e Large Generation Operation and Maintenance
Department

e Medium Generation Operation and Maintenance
Department

e Generation Development and Support Department
(former: Generation Development Department
and Technical Support Department)

e Finance Division
e Administration Division

There are two independent projects currently headed
by this directorate

1. Electro-Mechanical Workshop Construction
Project:

2. Hydropower Plant Automation Project

की pacity Till Date (MW)

17" Issue : 2082

MAJOR ACHIEVEMENTS

For the fiscal year 2081/82 Gandak, Chatara, Seti and Sundarijal HPS achieved generation more than 100 %
of target. Whereas, Kaligandaki 'A', Middle Marsyangdi, Marsyangdi, Upper Trishuli 3A, Modi, Devighat,
Sunkoshi HPS have achieved more than 90% of target generation.

With case of the storage power plant, the maximum and minimum water level of Kulekhani reservoir in FY

Actual generation as a percentage of design and target energy

160%
140%
120%
100%
80%।
60%।
40%।
20% 5।
0%
inn बब ८४ ८४ ८ HD ८४ HH ८ 0 HHH ८४ ९ न N ०
Oo a a त a a 0 0 0 0 0 0 १0१ 0 0 पी दा रर रद
~ DF eEF FT फो TF TF क FTF FT क जा जता जता रे
= 5S 27 ww लि छ ¥ A YX र O त BH ue २)
= रु = ४ oOo [।

m % of Design % of Target

2081/82 was recorded as 1531.5 and 1486.28 MASL. With effective utilization, altogether the combined
generation of Kulekhani I, Kulekhani IT and Kulekhani IIT HEPs reached 279.8 GWh in this fiscal year.

GENERATION SUMMARY

The total generation this fiscal year was 2902.4 GWh, with 791.7 GWh produced in the dry season and 2,110.7
GWh in the wet season, up from 2877.6 GWh in FY 2080/81.

Total wet vs dry season energy generation of last 3 FY

2081/082। 210700 वि .7 ७४४
2080/081 टान ch वि GWh।
2079/080 PF 2070.2 cw ००००... 8.8 GWh

= GWh =500.0 GWh 1000.0 GWh 1500.0 GWh 2000.0 GWh 2500.0 GWh 3000.0 GWh 3500.0 GWh

a Wet Energy Generation Dry Season Generation

me) Generation Directorate 20812082 NEPAL ELECTRICITY AUTHORITY
x Generation Directorate 2081/2082

17 Issue : 2082

Monthly wet and dry season energy generation for last 3 FY

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Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
Jul-Aug Aug-Sep Sep-Oct Oct-Nov Nov-Dec Dec-Jan Jan-Feb Feb-Mar Mar-Apr Apr-May May-Jun Jun-Jul
48 2079/080 302 312 242 255 259 232 172 155 175 221 287 285
~~ 2080/081 280 284 299 254 245 199 170 142 171 242 304 286
-क2081/082 303 264 270 283 257 211 177 147 197 222 278 294
ENERGY GENERATION PATTERN OF PROR/ROR AND 350.0
STORAGE (GWH): 2081/82 90.
50.0 300.0
o पन 250.0
40.0 OM क
= =
S ba 200.00
[2 3 ts 1
' 0.0 —
छ 6
Q 1 90.07
~ ou
6 20.0
o 100.0
10.0 ॥ ॥ ॥ i 50.0
Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash हा

का GEN: STORAGE

14.4 15.2 31.3 19.0 13.4 23.8 11.7 59 440 49.9 31.4 19.7

—@® TAR: PROR/ROR 291.0 289.5 288.3 269.1 253.4 208.1 167.1 154.8 181.1 219.2 265.0 276.6
GEN: PROR/ROR 288.2 248.5 239.1 264.2 243.2 187.3 165.5 140.8 153.0 172.2 246.8 274.0

To meet the system demand, energy derived from RoR/
PRoR and storage facilities is employed in varying
proportions based on seasonal fluctuations. Typically,
RoR energy predominates during the monsoon and
post-winter seasons. Storage-based energy is utilized
to maintain system balance and reserves. Energy
generation typically increases from the month of
a until Aswin, after which it begins to decline
until Falgun. The utilization of storage plants peaks in
the month of Baisakh.

छन Generation Directorate 208172082 _ aun ELECTRICITY AUTHORITY
Generation Directorate 2081/2082

e

ADMINISTRATION DIVISION

The Administration Division 15 integral to managing
personnel within the Generation Directorate and its
offices. In coordination with the central HR department,
it ensures staffing aligns with the approved roles and
oversees internal transfers with the Deputy Managing
wy approval. The division maintains accurate
employee records and supports strategic workforce
placement.

17 Issue : 2082

It also conducts national and international training
programs to enhance staff skills and provides
administrative insights to senior leadership. Beyond
HR, the division manages physical assets, land,
infrastructure, vehicles, electronic attendance, and
procurement, while ensuring efficient communication
across all directorate offices. Currently, 762 staff

members — including 631 technical and 131
administrative personnel—are working under the
Generation Directorate, excluding under-construction
projects. This is against an approved staffing capacity
of 939 positions, comprising 761 technical and 178
administrative roles.

Summary of existing and deficit staff

Administration

a :
Administration। ' 3

Officer Asst.
level level

Asst.
level

Technical 34

Officer
level

७ Incumbent Deficit

Summary of Employee status of on-going Projects of NEA

Approved Positions

Electromechanical Workshop Construction Project

Hydropower Plant Automation Project

8।

Note: Now, deficit of assistant staffs is fulfilled by contract of Level (1-3)

FINANCE DIVISION

The Finance Division of the Generation Directorate,
NEA, is responsible for managing all financial matters
related to the directorate, including hydroelectric
projects and power plants. Its key functions include
handling income, expenditure, assets, and liabilities,
as well as preparing financial reports for both internal
use and higher authorities. Operating as an independent
budget center, the division also serves as the central
coordinating body for several other budget centers
See the ce ensuring effective financial
planning, implementation, and control.

AUDIT

Internal and statutory audits within the Generation
Directorate are conducted regularly, focusing on
regularity, economy, efficiency, effectiveness, and
rationale. These audits ensure that all financial
transactions are properly recorded and reliable, while
also helping to identify and correct errors, mismatches, or
misclassifications -whether intentional or unintentional.
The Finance Division addresses audit observations
through detailed responses, prepared in coordination
with the relevant departments or power stations and
supported by necessary documentation. These audits
also serve as a valuable feedback mechanism for
continuous improvement in financial practices.

me 9) Generation Directorate 20813082 =), NEPAL ELECTRICITY AUTHORITY
'</ Generation Directorate 2081/2082

LARGE GENERATION

OPERATION AND

MAINTENANCE DEPARTMENT

The Large Generation Operation and Maintenance
Department is responsible for hydropower plants with
an installed capacity of 30 MW and above. It currently
oversees seven major plants - four Peaking Run-of-
River (Kaligandaki, Middle Marsyangdi, Marsyangdi,
Chameliya), two Storage-cum-Cascade (Kulekhani I
and 11), and one Run-of-River (Upper Trishuli 3A) -
with a combined installed capacity of 465 MW.

In FY 2081/82, these plants generated a total of 2,441.6
GWh of electricity, contributing approximately 86%

of the directorate's total generation. This achievement
represents 89.9% of the annual target of 2,714 GWh

and marks a slight decrease of 0.57% compared to the
previous fiscal year.

Power plants with an installed capacity of 30 MW
and above fall under this department. As such with
4 Peaking ROR, 2 Storage cum cascade and 1 ROR,
this department handles a combined installed capacity
of 465 MW. In the FY 2081/82, these hydropower
plants generated a total of 2487 GWh, contributing
approximately 86% of the total annual generation. This
output represents about 92.93% of the accumulated
target of 2714 GWh and is 0.57% less compared
to the previous fiscal year's generation under this
department.

Large Generation, 0&M Dept

20603 Gh 2497 GWh

Target Generation

While most plants operate continuously throughout
the year, the Kulekhani cascade system (Kulekhani
I, II, and III) functions as a seasonal storage scheme.
Kulekhani I, in particular, collects water year-round—
mainly during the monsoon—and operates primarily
to meet dry-season peak demand.

—<— ensure operational reliability and efficiency,
the department conducts scheduled, preventive,
corrective, and special maintenance. Routine tasks are

a छन Generation Directorate 20812082 _ gun NEPAL ELECTRICITY AUTHORITY

x Generation Directorate 2081/2082

90 contribution

(-)

performed without or with minimal shutdowns, while
special maintenance—such as unit overhauls, SCADA
installation, control system upgrades, and headworks
repair—require extended shutdowns. These major
works are generally scheduled during the dry season
= minimize energy loss and maintain full generating
capacity during the wet season.

KALIGANDAKI 'A' HYDROPOWER

STATION

Kaligandaki 'A' Hydropower Station, located in
Syangja district of Gandaki Province, is NEA's largest
operational Hydro Power Plant in Nepal, having a
capacity of 144 MW with 3 units, each with a capacity
of 48 MW. It is a six-hour peaking run-of-river type
power station with an annual design generation of 842
GWh and was commissioned in 2002.

The cumulative generation of the Plant till the end of
FY 2081/82 reached 18,120.6 GWh from the first run.
The plant generated 863.5 GWh of energy this year
which was more by 2.60% compared to the previous
year, 2.48% more than annual design and 97.62% of
target generation this year.

TT

Kaligandaki

a pe of scheme
Gross head
[Net head

Peaking run-of-river (6 hours daily peakin

me (की Generation Directorate 20812082 X रे NEPAL ELECTRICITY AUTHORITY
' Generation Directorate 2081/2082

17 Issue : 2082

Capacity 144 MW

2002 AD

USD 354.8 Million
ADB, JICA

6 Years

Toshiba, Japan
3 & Francis
48 MW each

Rated Flow 47 m?/s per unit

300 RPM

Type of Excitation System
pe
pe
pe
132 kV

7618 km? (Kaligandaki river) and 476 km? (Andhikhola river)

Extensive dam repairs addressed diversion, under
sluice, and flushing gates, sill beams, plates, and
rubber seals. Both old and new Traveling and Hoisting
Sa (TRCMs) were overhauled. Two GIS
—— were added at Kaligandaki Substation for the
132 kV Ridi Transmission Line, and key maintenance
was done on the 132kV SF6 circuit breaker at

Key activities and achievements this year

Significant maintenance and upgrades were completed
this year, including a major overhaul of Unit No. 1
with replacement of the turbine runner, 20 wicket
gates, headcover, bushings, and installation of new
balancing pipes over approximately 382 hours (7th to
23rd Jestha 2082), enhancing unit reliability.

Gy एल Generation Directorate 2081/2082 _ —agum Directorate 2081/2082

= NEPAL ELECTRICITY AUTHORITY ©

17" Issue : 2082

Lekhnath Bay. Three downstream spillway gates were
rehabilitated, and Unit No. 2's generator coils and bars
were replaced following a major stator earth fault.

During monsoon, Kaligandaki faces challenges from
high silt and debris. Weekly flushing and annual
maintenance manage heavy sedimentation in the
reservoir and desander basin. Sediment clogs air
coolers, requiring regular replacement with cleaned
spares. Erosion damages components like bottom
rings, impellers, and pump bearings, repaired during
shutdowns. Flood debris also clogs trash racks,

necessitating continuous operation of Trash Rack
Cleaning Machines (TRCMs).

Beyond operations, the station supports environmental
conservation through its fish hatchery, releasing about
one million native fish annually into the reservoir to
mitigate ecological impact.

The figures below illustrate the monthly energy
generation trends over the past three years, comparing
actual generation against both target and design
capacities.

Monthly Energy Generation Trend of last 3 Years

120,000
100,000
x=
= 80,000
=
=
2 60,000
--
<
cc
Lu
= 40,000
Lu
O
20,000

Bha Man
100,56 69,084 84,543 80,773
95,346 97,471 72,793 73,753
99,020 94,707 101,28 77,064

ASW Kar

Shr
02079/080 99,854
™2080/081 94,826
@2081/082 98,272

Actual Generation comparison with Target, Designed & Till Date Max
Generation

Pou Mag Fal Bai

Cha
40,785
40,870
41,144

Jes Ash
83,493 81,036
89,499 91,537
72,697 99,613

56,792 43,147 41,101
51,882 41,151 37,837
52,337 43,954 37,128

51,505
54,629
46,252

120,000
100,000 a ry w। BN rl T _।
= 80,000। = 7 ७
= U
= छ ~
> >
2 60,000
(aa Nad wu ॥
फर ~= .
< 40,000
20,000
Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
Cc— Actual 98,272 99,020 94,707 101,289 77,064 52,337 43,954 37,128 41,144 46,252 72,697 99,613
=e 99,132 97,450 97,471 81,965 80,236 58,870 46,016 43,026 51,391 61,871 74,535 92,576
Designed 91,666 89,090 82,229 80,686 77,284 55,603 43,830 42,296 49,230 61,823 81,837 86,998
Till Date Max 102,717 101,928 102,818 101,289 86,183 67,937 50,141 72,517 88,709 100,630 102,325

me दियी Generation Directorate 20812082 NEPAL ELECTRICITY AUTHORITY
र Generation Directorate 2081/2082

17 Issue : 2082

= eel। _
Replacement of new coils in Unit no. 2
R-Phase of Generator

___ © Generation Directorate 20812082 _ gun . NEPAL ELECTRICITY AUTHORITY
'" Generation Directorate 2081/2082

MIDDLE MARSYANGDI HYDROPOWER

STATION

Middle Marsyangdi Hydropower Station is a 70 MW
peaking run-of-river facility located in Lamjung
District, Gandaki Province. It utilizes flow from the
Marsyangdi River, sourced from Tilicho Lake, and is
capable of storing water for up to five hours of peaking
operation, even during low-flow conditions. The plant
was commissioned in 2008, formally inaugurated on
December 14, and commenced commercial operations
shortly thereafter.

Designed for an annual generation of 398 GWh,
MMHBPS has delivered a cumulative output of 7,091.1
GWhas of FY 2081/82. During the current fiscal year,
it generated 427.9 GWh—achieving 107.6% of its
design target despite being 3% lower than the previous
year's production.

View of Damsite of Middle Marsyangdi HPS
SALIENT FEATURES

Location
Province Gandak1
Lamjung
Power house site
tiie

Name of river

Dalal(Chiti), Besisahar Municipality, Lamjun
Siundibar, Sundarbazar Municipality, Lamjung

me (की Generation Directorate 20812082 क NEPAL ELECTRICITY AUTHORITY
छ" Generation Directorate 2081/2082

110m
9
70 MW

Dec. 2008

C

Funding Agenc
Approx. 8 years
Turbine
Voith, German

37.928 MW
333.33 rpm

ALSTOM
39 MVA

11 kV

0.85 to 0.90
Static DC

e

Type of Excitation System

Adjustment for Speed Drop Linear

Transformer
LSTOM
2.5 MVA
1kV

132 kV

YNd11
NAN

e Level
Voltage Level
Transformer Vector Group
Type of Coolin
Transmission Line

C

M\ro — "८, "163। "र €)
अति ४522 255/25/55522552555/525
दु।< 6161615।B 51515 [8 [5 2 :-2-8 SIA
८) 5 Oo [2 6।e rs OQ alo।7 1s =। 2
5812 6 618:12-12,512125815152 518 उ82हिहरर
पर AQ।= =। "2 110212 la [M/ W/O /S 12 a ९।"? lho ls [>
8 5 1९ = Colo ls।O lets।S le टु छ 10 10 €. त
018 15 51215215116 [5 2115 5 "1५13 a.
[८ 10 Be 00 [९ [6 62. = [210 2 3
a het my}? be o fe = 2
टे [त 5 a
S छ 5
ट
* 4 2.
=)
(TQ

=

C ७

2
4.19 km
32 kV

Z
6
८
=o
८)
3
Q
=
-

छ डु
lo।B
AE
os
८)
=
प्ये
लु
क
2
N
fe)

—

Transmission Voltage Level

C 29 km?
e 9.5 m?/s
Design Flood Discharge 4270 m?/s

Key activities and achievements this year

Middle Marsyangdi Hydropower Station undertook
major works this fiscal year, most notably the
overhauling of Unit No. 2. The refurbishment
= replacement of the eroded turbine runner, all
24 guide vanes, upper and lower bushings, head cover
and bottom ring wearing rings, and associated facing
plates. Significant in-house technical efforts were

___ © Generation Directorate 20812002 _ —agun a LECTRICITY AUTHORITY
'4 Generation Directorate 2081/2082

NRs. 27.6 Billion
Civil-DDC JV, Ele

42.4 m?/s per unit

Cardinal/420 mm?

17" Issue : 2082

०९०
=।

ctrical-Alstom Power, Mechanical-Voith Siemens
Government of Germany, Nepal, NEA & KFW

2 & Francis Vertical Shaft

Electro-Hydraulic (PID control

< 19
5 la
5 >
> 13
5 [९८
5212 pe
£
5।
la
OU Is
NM
Q
5
fe)
am

—~]

made in the desander basins, where worn-out moving
plates were replaced and eroded components were
restored through welding and grinding. Structural
integrity and hydraulic efficiency of the dam were
Sees through the repair of spillway radial and
under sluice gates. Spillway chute no. 1 was rebuilt
to its original design using M60 grade concrete,
supplemented with steel lining in the roller bucket

17" Issue : 2082

area and abrasion-resistant epoxy coating on ogee
surfaces to mitigate future erosion. Modernization
efforts included the installation of a digital governor
panel for both generating units, a new 110V battery
bank system, and a Remote Terminal Unit (RTU)
to enhance real-time communication with the Load
Dispatch Center (LDC).

The plant faced key challenges during the monsoon,
including severe trash rack clogging from floating

—E of Spillway Radial gates#1

debris, causing over 2 m intake head loss and frequent
TRCM _ breakdowns—often requiring manual
cleaning. High sediment flow led to rapid erosion of
turbine parts and heat exchangers, resulting in leaks
and frequent part replacements to prevent generation
loss. Additionally, during Unit No. 1's overhaul,
the absence of new spare parts required on-site
modifications to reuse old, distorted components.

Governor panel installation work

eS) Generation Directorate 20812082 X छै NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17 Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

60,000
50,000
40,000
30,000

20,000

GENERATION (MWH)

10,000

Pou Mag Fal Bai Jes

Shr Bha Asw Kar Man Cha Ash
02079/080 49,954 51,253 46,901 44,963 38,878 28,566 21,574 10,787 15,757 26,235 44,901 48,634
™2080/081 48,881 45,024 47,788 46,757 35,207 28,812 21,327 20,192 22,172 30,752 46,344 47,871
2081/0082 51,274 49,150 46,819 37,909 35,908 26,648 22,770 19,553 21,553 24,709 41,580 50,036

Actual Generation comparison with Target, Designed & Till Date Max
Generation

60,000
50,000। र क।।
= 40,000
=
> 30,000
५)
ia
uw 20,000
Lu
10,000
Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
C— Actual 51,274 49,150 46,819 37,909 35,908 26,648 22,770 19,553 21,553 24,709 41,580 50,036
C— Target 50,072 48,228 48,407 46,757 38,129 30,202 22,901 20,651 25,074 34,104 46,344 49,693

७ Till Date Max 51,717 51,253 51,614 47,551 40,301 33,227 25,802 25,999 37,105 48,551 49,418 52,800
e Designed 47,840 47,110 46,980 42,225 30,805 21,410 15,990 14,610 17,565 26,305 39,615 47,135

——— NEPAL ELECTRICITY AUTHORITY
'</ Generation Directorate 2081/2082

MARSYANGDI HYDROPOWER STATION

Marsyangdi Hydropower Station, located in the district designed generation of 467.45 GWh. The capacity of
of Tanahun in Gandaki Province, is four-hour daily the plant is 69 MW with 3 units each having capacity
peaking run-of-river type power station having annual of 23 MW.

Switchyard of Marsyangdi HPS

The cumulative generation of the plant till the end of which is 1.28% more compared to the previous year.
FY 2081/82 reached 15,046.9 GWh from its first run. This value is 97% of target generation this year and is
The plant generated 451.8 GWh of energy this year 97% of designed generation.

SALIENT FEATURES

Location Anboo Khaireni, Tanahun

Marki Chowk, Anboo Khaireni Rural Municipalit

Anboo Khaireni
Ss
Marsyangdi

Peaking run-of-river (4 hours daily peaking

me (की Generation Directorate 20812082 क NEPAL ELECTRICITY AUTHORITY
छ" Generation Directorate 2081/2082

17 Issue : 2082

Gross head 95m
90.5 m
69 MW

1989

USD 221.57 Million
Voith Siemens

unding Agenc IDA, KFW, KFED, SFD, ADB & Nepal Government
Project Duration 3 years
Turbine
Manufacture Voith
Number & Type 3, Vertical Shaft Francis

26 MW

Rated Flow 30.5 m?/s

Rated Capacit 10MVA, 11/132 kV, 9 (+1 spare), Single Phase

Bharatpur & Suichatar = DUCK, New Marsyangdi -1 & New

Q
00

i

Transmission Voltage Level 132 kV
$50 km

Mean Annual Dischar
10% of Design Discharge

Design Flood Discharge 9100 m/s

Key activities and achievements this year included the hook block, shaft seal, and sliding ring
ew Unit No. 3. Sediment flushing and routine cleaning
a conducted regularly. The bypass control card of
a 15 kVA inverter was replaced

Marsyangdi Hydropower Station completed the
rapid overhaul of Unit No. 2 and maintained key
infrastructure, including radial gates, desander basin
floating boom, and gantry crane wire rope. Repairs

2 ___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'~~ Generation Directorate 2081/2082

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

60,000
50,000
r
= 40,000
=
z
© 30,000
Ee
<
[००
Lud
Z 20,000
Lu
OU)
10,000
: Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash

[12079/080 43,312 45,495 35,850 41,898 43,725 33,496 25,798 23,776 23,099 26,966 45,770 45,374
™2080/081 45,004 44,074 45,608 40,559 42,813 30,775 24,570 22,732 25,030 31,206 47,342 46,371
2081/0082 46,653 45,939 45,721 49,520 43,246 30,455 25,631 22,339 23,567 26,694 43,900 48,128

Actual Generation comparison with Target, Designed & Till Date Max
Generation

60,000
rv &,
50,000। ७ & e
om Con 8, ७, ७. g। Ze

r 40,000।।
= @ ४ 4
= 5]
> 30,000। ४
©
ne। =
2
1] 20,000

10,000

. Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash

C— Actual 46,653 45,939 45,721 49,520 43,246 30,455 25,631 22,339 23,567 26,694 43,900 48,128
c— Target 47,336 47,050 45,766 42,951 42,830 33,623 25,085 22,978 28,386 35,208 47,718 46,600

e Till Date Max 48,826 47,358 49,489 50,930 44,132 37,797 29,986 27,758 37,029 47,422 52,097 50,190
e Designed 46,750 46,750 46,750 46,750 46,750 31,150 24,150 21,500 25,000 38,400 46,750 46,750

Ss क NEPAL ELECTRICITY AUTHORITY
<4 Generation Directorate 2081/2082

_—
17 Issue : 2082

SS of diversion radial Clamping of = ed Boom Cleaning of transformer bushing
gate no.2 Steel Rope during overhauling
___ © Generation Directorate 20812082 _ —agun 4, NEPAL ELECTRICITY AUTHORITY

'~/ Generation Directorate 2081/2082

UPPER TRISHULI 3A HYDROPOWER

STATION

Upper Trishuli 3A Hydropower Station is a 60 MW
RoR facility located in the Rasuwa and Nuwakot
districts of Bagmati Province, Nepal. Equipped with
two vertical Francis turbines of 30 MW each, it is
the second-largest hydropower station under NEA in
terms of annual design energy output, with a designed
generation capacity of 489.76 GWh.

2।.। 4 if।

\

i।
hal
dee 1

Sete Td
rr

As of the end of FY 2081/82, the plant has achieved
a cumulative generation of 2,391.5 GWh since
commissioning. In the current fiscal year, it generated
356 GWh—17% lower than the previous year's
output. This represents 78% of the annual target and
73% of the plant's designed generation capacity.। [गु। ना

er

क, ae

Control Room of Upper Trishuli 3'°A'

SALIENT FEATURES

Location
Province
District

Intake site
Power house site
General

Name of river
Type of scheme
Gross head

Bagmati

Rasuwa

Salletar, Rasuwa
Simle, Rasuwa

T

rishuli

3.57 m
3.41 m

[4
ह्ल्नौः
पा
[बी
24
QO.

निल
Oo

— a —_
7०

छ बिके Generation Directorate 2080 4 NEPAL ELECTRICITY AUTHORITY
5 Generation Directorate 2081/2082

17" Issue : 2082

Capacit 60 MW

2019

USD 81.6 Million (foreign portion) + NRs. 606.4 Million (local

Contractor China Gezhouba Group Company (CGGC) for Power plant
China Water Electric (CWE) for Transmission Line

Turbine
Manufacture
Type
Generator
DEC Dongfeng Electric Machinery Co. Ltd

n

ce
Shandong Dachi Corp
36 MVA

Adjustment for speed drop System frequency regulated adjustment mechanism। Monitored and
maintained by SCADA

Transmission Line ct

Conductor Type/Size Two Different Types: Powerhouse Switchyard to 3B Hub: Single Bison 132 KV
3B Hub to Matatirtha: Double Bison 220 kV
Transmission Voltage Level 132 kV
4542 sq. km
Mean Annual Discharge 48.2 m?/sec
51 m*/sec based on 70% exceedance flow
ge

Design Flood Dischar 2424 m?/sec based on 1:1000 year flood

Key activities and achievements this year gates, including replacement of bottom seals, skin
plates, seal beams, and damaged rail bars downstream
a Gates 1 and 2. Bearing oil coolers were replaced,
——— the broken shaft of the screw hoist for Desander
Flushing Gate 3 was repaired. SCADA systems and
communication networks between the dam an

For the first time, NEA's in-house team successfully
overhauled Units 1 and 2, including repairs to the
draft tube outlet gate and eroded main inlet valves.
Significant maintenance was carried out on radial

2 ___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'4 Generation Directorate 2081/2082

17" Issue : 2082

powerhouse were re-established, with various sensors involving reinforced concrete work downstream of
and PLCs upgraded to enhance automation and control. radial gates and gabion spur construction upstream of
Extensive civil repairs were performed pre-monsoon, _ the tailrace.

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years
50,000
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5,000

GENERATION (MWh)

Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
02079/080 38,178 42,308 38,270 32,890 41,008 41,505 32,265 29,240 26,848 31,215 44,615 38,778
@2080/081 29,358 37,043 38,190 39,715 40,575 36,843 30,240 26,495 26,868 39,253 44,528 37,950
@2081/082 35,325 4,163 6,050 23,033 42,640 39,815 34,760 29,105 32,158 36,223 43,010 29,693

Actual Generation comparison with Target, Designed & Till Date Max
Generation

50,000
45,000 ७, [ ७ © O Se & 0 &
ws a= ङ्।

40,000
_ &।
xr 35,000 2
=। a
= 30,000
>
छु 25,000
ui 20,000
Z 15,000

10,000

5,000

'Shr Bha  Asw ~ Kar Man Pou Mag Fal Cha Bai Jes Ash

c— Actual 35,325 4,163 6,050 23,033 42,640 39,815 34,760 29,105 32,158 36,223 43,010 29,693
Gm Target 31,393 37,620 41,739 40,964 42,593 41,590 34,747 32,085 38,566 42,531 43,907 30,557

e Till Date Max 38,178 42,308 40,543 39,715 42,640 42,723 36,565 33,470 42,465 44,603 44,615 44,088
e Designed 44,340 43,625 43,625 43,625 43,625 40,650 33,310 31,185 36,355 42,170 43,625 43,625

a क NEPAL ELECTRICITY AUTHORITY
<% Generation Directorate 2081/2082

On the morning of 2081/03/24 at approximately 4:30
AM, a sudden flood event caused by intense rainfall
in the upper catchment area led to the uncontrolled
inflow of water and debris into the dam premises. Due
to the absence of early warning, several key structures
were affected, including the deck and control room.
Fortunately, no human casualties were reported.

Initial assessments revealed damage to Diversion
Radial Gate-1, with about 1.5 meters of the lower
gate skin plate detached and its control panel and
hydraulic unit submerged. Gates 2, 3, and 4, though
structurally intact, are currently inoperative due to
damaged hydraulic systems. Specifically, Gate-2's
pressure unit was submerged, and Gate-3's hydraulic

Lifting of generator bracket during overhauling

—— NEPAL ELECTRICITY AUTHORITY
'<7 Generation Directorate 2081/2082

17 Issue : 2082

cylinder was broken. The stoplog gantry crane and
lifting mechanism were also damaged, affecting gate
isolation operations.

Civil structures such as the control building, upstream
and downstream piers, staff quarters, and operating
platforms were impacted by debris and silt deposition.
Additionally, gate operating panels, motors, and
sensors were submerged and are presently non-
functional.

This incident highlights the need for strengthened
flood monitoring, early warning systems, and timely
maintenance to ensure resilience against future
extreme events.

nn of unit 1

KULEKHANI-I HYDROPOWER STATION

Kulekhani-I Hydropower Station, located in Dhorsing
of Makwanpur District, holds the distinction of being
Nepal's only reservoir-type hydropower facility.
Situated in the lower Mahabharat Range in central
Nepal, the station lies approximately 30 kilometers
southwest of Kathmandu, while the Kulekhani Dam
itself is located about 21 kilometers from the capital.

Strategically positioned, the Kulekhani reservoir
spans two distinct river basins: the Kulekhani River
basin and the upper Rapti River basin to its south.
With an installed capacity of 60 MW, comprising
two generating units of 30 MW each, Kulekhani-I
was originally designed as a peaking power station.
However, it is frequently operated according to system
requirements, playing a vital role in voltage regulation
and grid stability.

The power station is engineered to produce 165 GWh
of primary energy and 46 GWh of secondary energy
annually. Since its commissioning, the cumulative
generation of the plant reached 5,785.9 GWh by the
end of the fiscal year 2081/82. In that same year, the
plant generated 170.56 GWh of energy—an impressive
64.5% increase compared to the previous year.

Hydrological data for FY 2081/82 recorded the
reservoir's maximum water level at 1,531.5 meters
above sea level (on 2081/06/12), while the minimum

level was documented at 1,486.28 meters above sea
level (on 2082/02/30).

Kulekhani-I remains a cornerstone of Nepal's power
infrastructure, contributing not only to energy
generation but also to the stability and reliability of
the national grid.

= -

4 <= Pam,

ekhani I HPS

हा दियी Generation Directorate 20812082 =» NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17" Issue : 2082

SALIENT FEATURES

a
Cn
Cn
Ce
Cn
nn
Cn
Cn
Double Circuit

2.7 km

66 kV

Hydrology
126 km?

2.2 sq km at highest water level 1530 from MASL

85.3 million cum (initial) / 62.30 million cum (estimated 2002 AD)
73.3 million cum (initial) / 55.56 million cum (estimated 2002 AD)
1380 m/s

1270 a

Dam Zoned Rock Fill Dam with ae Core, 114 m high, 406 m crest length

___ © Generation Directorate 20812002 _ —agun Xx 3 NEPAL ELECTRICITY AUTHORITY
'4 Generation Directorate 2081/2082

17" Issue : 2082

Key Activities And Achievements This Year

Maintenance included drainage and pavement
improvements near the valve house, sediment removal,
and check dam construction at Simkhola intake,
along with compound renovations at Markhu Guest
House. Emergency debris clearance was performed
at Chakhel intake after flooding, and a retaining wall
was built at Bhisimkhel Khola. Electrical upgrades
involved installing a 66kV CVT at Syuchatar, an
11 kV VCB for the Mandu feeder, testing and oil
filtration of a 35 MVA transformer, and replacing a 5

MVA transformer with a 22.5 MVA unit. Mechanical
work covered replacing the external oil cooler in Unit
1, adding generator air coolers in Unit 2, overhauling
pumps and compressors, repairing intake gates, and
repainting the penstock from blocks 7 to 9.

The figures below illustrate the monthly energy
generation trends over the past three years, comparing
actual generation against both target and designed
capacities.

Monthly Energy Generation Trend of last 3 Years

35,000

30,000

25,000

20,000

15,000

GENERATION (MWH)

10,000

5,000

Shr
™2079/080 6,816
@2080/081 1,620
@2081/082 8,586

Man
5,781
4,704
7,983

Bha r
4,722 512 34
2,126 6,323 1,801
9,045 19,215 11,275

19,301
6,192
14,543

AP

Ash
8,143
6,096

11,847

Cha Jes
21,938 30,172 11,841
14,377 29,722 19,097
27,269 31,097 19,141

8,651
10,741
7,030

9,850
881
3,532

Actual Generation comparison with Designed & Till Date Max Generation

40,000
35,000
30,000
25,000
20,000

15,000

ENERGY (MWH)

10,000

5,000

Shr Bha ar

Se Actual

Man
8586 9,045 19,215 11,275 7,983 14,543 7,030 3,532 27,269 31,097 19,141 11,847

Cha i 685 Ash

ou Mag Fal

—O— Till Date Max 34,087 34,278 21,139 14,836 17,825 26,676 30,871 29,963 27,473 31,097 22,614 31,152

Re दियी Generation Directorate उहा क NEPAL ELECTRICITY AUTHORITY
'%/ Generation Directorate 2081/2082

17 Issue : 2082

Variation of water level and generation (FY 081/82)

Ener Maximum Minimum
(MWh Water Level Water Level
(MASL) (MASL)

Historical water level and actual generation
Actual

(MASL) (ASL) (८00)

6
3
=

S.No FY Max Level Min Level G een
(MASL) (MASL) (GWh)

Month

Variation of Water Level vs Generation
1,540.0

लि न्िलिि
1,530.0 क पि 4 नी
5 1,520.0
< 1,510.0
=

=1,500.0
S
ci 1,490.0
x 1,480.0
FE 1,470.0
x 1,470.
= 1 460.0
1,450.0
1,440.0

ACTUAL GENERATION (GWH)

——-—— Actual Generation (GWh) —@— Max Level (MASL) —@— Min Level (MASL)

छन Generation Directorate 20812082 _ gun छ NEPAL ELECTRICITY AUTHORITY

x Generation Directorate 2081/2082

17" Issue : 2082

The graph illustrates the relationship between water
levels and energy generation over time. While the
maximum water level remains relatively stable around
1,530 MASL, the minimum level shows notable
variation, influencing actual generation. Energy
generation (GWh) generally increases when the
minimum water level rises, suggesting that available
head or inflow directly impacts output. Peaks in
generation align with periods of higher minimum
levels, while dips correspond to lower minimum
levels. This indicates that generation is more sensitive
to reservoir drawdown than to maximum capacity,
emphasizing the importance of maintaining adequate
minimum levels for optimal performance.

a I '

f

11 kV VCB relay changing work

ac —_—— a

ae 5 MVA Transformer TAP changer testing

—— a, पन्च a = =
का न ~y
. झै i aes विग
. " '। . .
क '

The Kulekhani Reservoir is equipped with a flood
discharge system comprising a  65-meter-long
uncontrolled overflow spillway and two radial gates
installed on a controlled crest. These radial gates
are designed to operate at a reservoir water level of
Elevation 1530 meters above sea level (masl) and
are typically kept closed to maximize water storage.
However, during Fiscal Year 2081/82, on 12th Ashoj
2081, intense rainfall led to a rapid rise in the reservoir
level, surpassing the capacity of the uncontrolled
spillway. In accordance with the reservoir's operational
manual, both radial gates were opened when the
water level reached EL. 1530.20 masl to regulate and
stabilize the reservoir level.

Chakhel Intake Debris Clearance and Gate Opening Work

View of turbine shaft and link rods

me दियी Generation Directorate 20812082 x NEPAL ELECTRICITY AUTHORITY
'/ Generation Directorate 2081/2082

बि छ NEPAL ELECTRICITY AUTHORITY
'" Generation Directorate 2081/2082

KULEKHANI-IT HYDROPOWER STATION

Kulekhani-II Hydropower Station, a 32 MW plant
commissioned in 1986, is a cascade of Kulekhani-I HPS
with an annual design of capacity of 104.6 GWh. The
plant is designed to develop power utilizing the water
from the tailrace of Kulekhani-I, further adding the water
of Mandu river and through Rapti pumping station.

Every year Mandu Intake is cleaned after the wet
season to allow the filtered water to the intake
pond. Likewise, Rapti Pumping Station is operated
as per requirement in dry season by doing effective
maintenance works to generate power.

Generator floor of Kulekhani II HPS

The cumulative generation of the plant till the end of Since, the station is cascade of Kulekhani-I HPS, it is

FY 2081/82 reached 2,436.5 GWh from its first run.
The plant generated 74.9 GWh of energy this year
which is 56% more compared to the previous year.
This value is 89% of target generation this year.

operated as per instructions of Load Dispatch Center
(LDC) according to the system requirements for
voltage improvement & system stability.

SALIENT FEATURES

Location

SS x NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17" Issue : 2082

3
Project cost
Gov. of Nepal and OECF Japan
et
pe
18.8 MVA
6.6 kV
ce
eo
pe

Hydrology

Design Discharge 13.3 m?/s

Key activities and achievements this year

Work on 7.2 kV VCB switchgear and switchyard

Gross head 10m
Year of Commissioning 1
1 or

material replacement and check wall construction at
Mandu intake, plum concrete wall erection at Rapti

equipment is underway. A 6.6 kV XLPE power cable
has been acquired, with installation planned for FY
2082/083. Transformer oil filtration was completed
on three spare transformers, and a damaged 600 sq.
mm aluminium conductor was replaced. The cooling
water pump and downstream control valve for Unit
1 a been installed. Arrangements are in progress
for generator heat exchanger, governor actuator,
and cooling pump parts. Civil works included filter

2 ___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'4 Generation Directorate 2081/2082

intake, and temporary surge tank access road repairs.

Future plan includes installing the 6.6 kV XLPE cable,
transformer oil filtration, completing 7.2 kV VCB
work, and overhauling generators. Mechanical tasks
cover turbine maintenance, valve and cooling pump
installations, and system upgrades. Civil works focus
———" A intake support structures, river training, road and
drainage improvements, and facility repairs.

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

16,000
14,000
12,000
10,000

8,000

6,000

4,000
Pou Mag

/ Shr Bha Asw Kar Man Fal Cha Bai Jes Ash
02079/080 3,393 2,321 271 193 2,785 8914 3,941 4,496 10,015 14,177 5,580 4,006
@2080/081 877 1,152. 3,067 1,022 2,275 2,876 4,893 436 6,478 13,516 8829 2,717
™2081/082 3,724 3,959 8240 5,101 3,626 6,437 3,155 1,544 11,870 13,451 8,566 5,273

GENERATION (MWH)

Actual Generation comparison with Target, Designed & Till Date Max
Generation

18,000
16000 ©
14,000 oe & & ४
_ ४ छ
Tr 12,000
= ४
= 10,000 .
छ _ ४
8,000 ४
i ©
Z 6,000
4.000

Shr Bha Asw Kar Man Pou Mag' Fal Cha _ Bai Jes = Ash
C— Actual 3,724 3,959 8240 5,101 3,626 6,437 3,155 1,544 11,870 13,451 8566 5,273
७ Till Date Max 16,472 15,854 9,467 7,504 8,635 13,177 14,674 14,490 13,621 14,177 11,184 15,137

———— =), NEPAL ELECTRICITY AUTHORITY
दछ Generation Directorate 2081/2082

17" Issue : 2082

ee ee

=) ei i थि

aE दी, ८ न : 6
4 Se ay - - था... ~
~ ois ae ee 5. . "ai

6.6 kV bus conductor maintenance

Cleaning & condition checking of Exciter

6.6 kV bus conductor maintenance

——— ELECTRICITY AUTHORITY
Generation Directorate 2081/2082

CHAMELIYA HYDROPOWER STATION

Chameliya Hydropower Station is a 30 MW daily
PRoR facility located in Darchula District, Far
Western Province. Since its inauguration on February
10, 2018, the plant has been in continuous operation.
It harnesses water from the Chameliya River, with the
powerhouse situated in Shailyashikhar Municipality
(Ward No. 1, Balanch) and the dam site located
between Marma Gaupalika and Bitule.

Designed for an annual generation of 184.2 GWh, the
plant has produced a cumulative total of 1091.2 GWh
as of the end of FY 2081/82. In the current fiscal year,
it generated 142.4 GWh—6% higher than the previous
year—achieving 91% of the annual target and 77% of
its designed capacity.

Unit bay of Chameliya HPS
SALIENT FEATURES
Cn

Type of scheme eaking run-of-river (4 hours daily peaking)

पे लल ने NEPAL ELECTRICITY AUTHORITY
न Generation Directorate 2081/2082

17" Issue : 2082

Year of Commissioning 2074/10/27

USD 124.9 Million

Civil Construction Work: China Gezhouba Water and Power Group Co, Ltd.
Electro-mechanical, Hydromechanical and Balanch-Attariya 132kV

Transmission Line Work: KHNP Consortium (Korea Hydro & Nuclear Power
Co., HWACHON Plant Construction Co. Ltd., SEAN ENC, Nepal Hydro &
Electric Limited), KOREA

Korean Government, Nepal Government & NEA
10 Years
Turbine ee

Multipower Hydroelectric Development Corporation (MHDC), Harbin China

Rated Output capacit

Harbin Electric Machinery Company Ltd., China

2X16.2 MVA
1

9 1,000 Volt
Type of Excitation System Brushless Excitation System

Digital Valve PCC programmable intelligent Governor

Adjustment for Speed Drop
Transformer।
Rated Capacit
imary Voltage Level
Voltage Level
Transformer Vector Group
Type of Cooling
Transmission Line pe
८
Transmission Voltage Level
a
Mean Annual Discharge
Design Flood Discharge

Key activities and achievements this year transformer (33/11 kV) at the switchyard was replaced.

=

छ ५ 0/0।m।< alele।z।2।2/zlo।z।2/2/Z। =।SlF) 2 oF
छै 12 515 3 छ ह55851853202555 SE) 2 Se.
26 319 512 1815 1616 5152.5,,/215 5515 5. ८ड:..812 512
© -२ "छ।,()।]2182।।'7] @ ६ 09 6

5S we 5 + = 2।= ०12 16 12 R =< S > O16
= छु छ ४555 [8।2 छ। छुँ दु 38
> £. @ भै ९.।6 ६. [। oO ©। oO
° Q © र। ५

ह्लौ

5

Unit 2 was overhauled in Ashoj/Kartik 2081, The figures below illustrate the monthly energy
followed by the overhaul of Unit 1 in Ashad a अको trends over the past three years, comparing
Key equipment upgrades included procurement and actual generation against both target and designed
installation of a VCB at the substation, a vertical sump capacities.
pump, and a nitrogen refill plant. Additionally, the 3 MVA

___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'4 Generation Directorate 2081/2082

17" Issue : 2082

Monthly Energy Generation Trend of last 3 Years

25,000
20,000

15,000

-1॥॥11

Shr Bha Asw Kar Man Pou Fal Cha Bai Jes Ash
02079/080 18,242 19,420 14,646 13,020 7,527 5,353 6,775 6,545 6,284 8,059 11,663 17,398
™2080/081 17,707 17,644 17,507 9,415 9,327 7,407 6,593 6,473 6,933 8564 10,813 15,585
™2081/082 17,823 18,221 17,032 13,758 11,498 8390 7,000 6,646 8,004 9,175 12,000 12,844

GENERATION (MWH)

Actual Generation comparison with Target, Designed & Till Date Max
Generation

25,000
७ e 0. &
20,000 ॥ s§ भे।
= 5 ¢ र
2 15,000 ४।
रा ४
> © & ७
O &
tf 10,000 ४।
Z ४ Co}
Ww
5,000 ॥ ॥
: Shr 9158 Asw- Kar Man २20५ Mag Fal Cha Bai Jes Ash
C— Actual 17,823 18,221 17,032 13,758 11,498 8390 7,000 6,646 8,004 9,175 12,000 12,844
C— Target 18,942 18,998 19,171 13,172 11,293 8,771 7,356 7,252 8,758 11,612 14,195 17,678

७ Till Date Max 19,306 19,960 21,011 15,821 12,867 10,032 8,034 8466 12,686 18,364 18,667 18,913
e Designed 21,570 21,225 21,225 19,110 14,285 10,695 8445 7,875 9,005 11,970 17,570 21,225

————— क NEPAL ELECTRICITY AUTHORITY
'%/ Generation Directorate 2081/2082

17 Issue : 2082

Stator of unit 2 छ Liting of upper bracket during overhauling

Unit 2 assembly works Removal of protective platings during unit overhaul

MEDIUM GENERATION OPERATION AND
MAINTENANCE DEPARTMENT

The Medium Generation Operation and Maintenance
Department, led by a Director, is responsible for the
operation and maintenance of power plants with an
installed capacity of less than 30 MW. The department
oversees thirteen (13) hydropower stations, one (1)
diesel power plant, and one (1) multifuel power plant.
The Diesel Power Plant is managed under Chatara
Hydropower Station, while the Multifuel Power Plant
is administered by Kulekhani III Hydropower Station.

The total combined installed capacity of the
hydropower and thermal plants under this department
is 123.03 MW.

Medium Generation, O&M Dept
466 GWh

415GWh
contribution

Generation

Site visit by DMD at Trishuli HPS

Nowadays, the thermal plants are not in normal
operation. While there is no generation associated
with Hetauda Diesel Plant and Multifuel Power Plant,
combined generation from 15 power plants contributes
en about 14% of the total generation, which sums to

415 GWh for fiscal year 2081/82. This value is about
84.34% of the accumulated target of 468 GWh.

The following sections provide a concise description
of the Power Stations and highlights major activities
carried out under this department during the Fiscal
year 2081/82.

दियी Generation Directorate 20812082 क NEPAL ELECTRICITY AUTHORITY
Generation Directorate 2081/2082

TRISHULI HYDROPOWER STATION

Trishuli Hydropower Station is located on the banks
of the Trishuli River at Trishuli Bazaar, Nuwakot. The
plant initially had an installed capacity of 21 MW,
comprising seven generating units of 3 MW each.
It was rehabilitated and upgraded in 1995 to a total
capacity of 24 MW, consisting of six units of 3.5 MW
and one unit of 3 MW. As a peaking run-of-river plant,
it has a peaking capacity of 21 MWh and an annual
design generation of 163 GWh. One unit is designated

i. त्िवमाामााा ाा TNT a

शी

as standby, with six units available for full-capacity
operation.

By the end of FY 2081/82, the plant's cumulative
generation reached 6,031.9 GWh. In the current fiscal
year, it generated 97.7 GWh—17% lower than the
previous year—representing 81% of the annual target
and 60% of the designed generation.

t av i
- '
4

SALIENT FEATURES

Bagmati
Nuwakot
Bidur-9
————

Type of scheme run-of-river

Bidur-1, Trishuli Bazar

25 8 Generation Directorate 20812002 _ —agun . NEPAL ELECTRICITY AUTHORITY
'%/ Generation Directorate 2081/2082

17" Issue : 2082

Discharge 51 m?/s

Ce
Ce
090
का
का
पा
Dog, 100 sq. mm, 150 sq. mm wolf

Hydrology

Key activities and achievements this year 1. Under civil works, dam undersluices maintenance,
powerhouse painting, and cleaning of gravel traps and

Headgate works included replacement of flat seals and,
drainage structures were successfully completed.

musical J seals before the wet season, with regular
gate and desander flushing carried out from Baishakh Works related to Rehabilitation
to Asoj. Intake and B-0 chokes were cleaned twice

'As part of the rehabilitation works, the installation,
daily during the rainy season due to heavy debris

testing, and commissioning of a 10 MVA (66/11
buildup. In the powerhouse, major maintenance Sa kV) and an 18 MVA (6.6/66 kV) power transformer
क including rotor shaft works in Unit 1, were successfully completed. Additionally, a 6.6 kV,
bearing repairs and replacements in Units 2, 5, and 6, 3000A switchgear and a 400V, 300A LT AC panel
MIV repair in Unit 2, and oil cooler installation in Unit were installed. tested. and commissioned The project

eS) Generation Directorate 20812082 x NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17 Issue : 2082

also included the modernization, modification, and all machines, enhancing the overspeed protection
redesign of the auto guide vane closing system for mechanism.

Figure below shows the monthly energy generation trend for last 3 years and actual generation compared to

the target, designed and till date maximum monthly generation.

Monthly Energy Generation Trend of last 3 Years
14,000

12,000
10,000
8,000
6,000

4,000

GENERATION (MWh)

2,000

Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
02079/080 10,860 11,591 7,377 9,060 11,995 12,000 9,917 9,162 8,791 9,756 11,764 10,882
m2080/081 10,057 9,092 10,299 11,192 11,069 10,746 9,410 8585 8176 10,311 9,272 8,835
@2081/082 8308 4,699 4520 9,235 8827 8,780 9,991 8298 9,457 10,046 9,286 6,253

Actual Generation comparison with Target, Designed & Till Date
Max Generation

16,000
@ e ७ e e ७ ७ (

1400 छै ४ S$ छ ४ & छः छ
~ e &
Tr 12,000 O) &
= gs &।
Ss 10,000 & ४
> 8,000
©
11 6,000
गी 4,000

2,000

. Shr 3158 Asw Kar Man Pou 1959 Fal Cha_ Bai ५65 Ash

C— Actual 8,308 4,699 4,520 9,235 8,827 8,780 9,991 8,298 9,457 10,04 9,286 6,253
C1 Target 11,53 7,838 4,852 12,14 12,15 11,71 10,14 9,312 9,586 11,30 11,14 10,73

७ Till Date Max 14,47 14,07 14,04 14,21 yy 14,17 11,61 10,85 11,79 13,13 14,51 14,12
——<—€—— Designed 15,00 15,00 15,00 15,00 15,00 13,00 10,80 10,00 10,00 15,00 15,00 15,00

(नै Generation Directorate 2081/2082 gum Generation Directorate 2081/2082

NEPAL ELECTRICITY AUTHORITY ©

17" Issue : 2082

Draft Tube Bend Repair works

as of Thrust Bearing

me दियी Generation Directorate 20812082 x NEPAL ELECTRICITY AUTHORITY
'/ Generation Directorate 2081/2082

GANDAK HYDROPOWER STATION

Gandak Hydropower Station is situated in Nawalparasi
(West), Nepal, near the Indian border, and forms
part of the Gandak Canal Project, which primarily
supports irrigation in Uttar Pradesh and Bihar while
incorporating hydropower generation. Water from
the Narayani River is diverted via the Main Western
Canal, which flows through Nepal and is managed
jointly by Indian irrigation authorities. The station

houses three Kaplan-type turbines, each rated at 5
MW, for a total installed capacity of 15 MW and an
annual designed generation of 106.38 GWh. Officially
handed over to Nepal in 1981 by India, the station
also facilitates seasonal electricity imports of up to
60 MW from India during dry periods, underscoring
effective cross-border collaboration 1n water resource
and energy management.

Unit bay of Gandak HPS

The cumulative generation of the plant till the end of which is 29% less compared to the previous year. This
FY 2081/82 reached 1113.6 GWh from its first run. value is 70% of target generation this year and is 20%
The plant has generated 14.3 GWh of energy this year of designed generation value.

SALIENT FEATURES OF GANDAK HYDROPOWER STATION

Pratappur Gaunpalika-7, Nawalparasi(West)
Nawalparasi (West)

Gandak Barrage
——— Rural Munucipality-7, Suryapura, Nawalparasi (West)

General

Name of River Narayani छ

eS ___ © Generation Directorate 20812002 ना . NEPAL ELECTRICITY AUTHORITY
"wv Generation Directorate 2081/2082

17" Issue : 2082

Type of Scheme Run of River Type from Gandak Barrage

15 MW

7.5895 m
ce
5.52 MW

Rated Flow 103.84 m?/s

ce

Type of Excitation System Totally Enclosed Synchronous
Governor

Type

Adjustment for Speed Drop
Power Transformer
Manufacture

Rated Capacity

Primary Voltage Level/Secondary Voltage
Transformer Vector Group

Type of Cooling

Mechanical/ Electro-Mechanical
Hydraulic (Manual)
0 MVA, 6.6/132 kV, 2 Nos.
Tirathai Public Company Limited., Thailand
0 MVA
6/132 KV
YNd11
ONAN
Transmission line 132 kV single circuit transmission line to Bardhaghat ] 32 kV substation
in Nepal and to Ramnagar 132 kV substation in Bihar, India.

No. of Circuit
a

Hydrology

Design Discharge 103.84 m?/s per unit intake

Current Status and variable upstream water levels affected by gate
operations in Bihar and downstream closures in Uttar
Ss Unit 1 has been non-operational for over 15
years following a stator coil fault.

=

ee the three generating units, only Units 2 and 3 are
currently operational, with combined output limited
to around 44.5 MW. This is due to aging equipment,

ence of protective systems, heavy silt deposition,

ER eS) Generation Directorate 20812082 NEPAL ELECTRICITY AUTHORITY
'<- Generation Directorate 2081/2082

Key activities and achievements this year

In FY 2081/82, Gandak Hydropower Station carried
out major maintenance to sustain operations amid aging
infrastructure. Units 2 and 3 were fully overhauled,
with key mechanical repairs to seals, bearings, and
cooling systems. Electrical work included transformer
oil filtration, PMG coupling replacement, cable

17 Issue : 2082

upgrades, and switchyard equipment servicing. Civil
tasks involved installing a new entrance gate, paving
parking areas, facility upkeep, and clearing debris
from the trash rack. These measures helped maintain
generation capacity and reliability, though long-
term sustainability will require further upgrades and
improved water management.

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual

generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

3,500
3,000
r
= 2,500
=
Z 2,000
O
1,500
[१
न
aT 1,000
©
Shr Bha Asw Kar Man
O2079/080 1,666 1,844 1,743 585 -
™2080/081 2,075 2,957 2,324 646 -
@2081/082 2,538 1,872 987 427 -

Actual Generation comparison with Target,

Pou Mag Fal Cha Bai Jes Ash

1,383 1,994 2,344 883 - 297 2,109
1,955 2,755 3,023 1,217 - 1,131 2,113
1,609 2,905 1,741 - - 687 1,556

Designed & Till Date

Max Generation

10,000
9,000
8,000
7,000 © © © O
6,000
5,000 s। &, ©
4,000 ©

= वा.

ENERGY (MWH)

धी

2
©
aw

॥ Tl

2,000
1,000

हा Shr Bha ४5४ Kar

C— Actual 2,538 1,872 987 427

C— Target 2,575 2,257 1,998 646

हत Till Date Max 5,030 4,377 4,969

e Designed 7,440 7,320 7,320

8 Generation Directorate 20812082 _ —agun NEPAL ELECTRICITY AUTHORITY
'</ Generation Directorate 2081/2082

Man

310
5,192 5,632
7,320 6,013

Fal Cha Bai Jes Ash
1,741 - - 687 1,556
3,023 1,217 1,374 687 2,113
5,138 3,304 9,140 8,817 7,616
3,560 3,577 4,290 5,920 7,077

Pou
1,609
1,629
5,761
6,382

Mag
2,905
2,755
5,953
4,797

17" Issue : 2082

Installation of PMG Coupling for Unit No.2

SE Set up SS Split Ring repair works of Unit No.2

eS) Generation Directorate 20812082 . NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

DEVIGHAT HYDROPOWER STATION

Devighat Hydropower Station is a cascade plant of the
Trishuli Power Station, located in Battar, Nuwakot.
Commissioned in 1984, it has an installed capacity
of 14.1 MW and an annual designed generation
of 114 GWh. Following successful renovation,
modernization, and upgrading (RMU) of all three
units in 2010/2011, the capacity was increased to 15

MW. All three units are currently operating normally.

As of the end of FY 2081/82, the plant has generated
a cumulative total of 3,496.1 GWh. In the current
fiscal year, it produced 76.4 GWh—12% lower than
the previous year—achieving 80% of its annual target
and 68% of its designed generation capacity.

Powerhouse of Devighat HPS
SALIENT FEATURES

Bagmati

T

Power house site
General

Charghare, Bidur Municipality-06, Nuwakot District

Name of river Trishuli

——— y ७

Type of scheme

40.5 m

eS ___ © Generation Directorate 20812002 ना . NEPAL ELECTRICITY AUTHORITY
"wv Generation Directorate 2081/2082

Cascade of Trishuli मी Station

17" Issue : 2082

39m

Net head

ISMW (after rehabilitation)
Year of Commissioning 1984 A.D.

Project cost NRs. 750 Million

Projectcost

Rated Flow 15.1 m?/sec

Rated Speed 333 rpm

Generator

Generator।
Rated Capacity
Rated Power Factor

Type of Excitation System
Governor

Type

Transformer
Manufacture

Rated Capacity

Primary Voltage Level
Secondary Voltage Level
Transformer Vector Group
Type of Cooling
Transmission Line
Conductor Type/Size

Brush less

Nn

Electro Hydraulic

ubei Sunlight Electric co. Ltd
00 kVA
6kV

D/A] O।
nn
<

<

पता]

ना

ONAF

DOG/ 100 mm? Chapali / Wolf 150 mm? Trishuli HPS
66kV (Devighat -Chapali) double circuit and (Devighat- Trishuli) 66 kV

No. of Circuit - .
single circuit

3 km Chapali / 4.56 Km Trishuli HPS

८)

Transmission Voltage Level 6kV
Catchment Area

Design Discharge 5.3 m/s

नि

Key activities and achievements this year

The hydropower facility recently underwent major
maintenance and upgrades to enhance performance
and reliability. Unit No. 3 saw a full overhaul, including
the repair and replacement of turbine components like
the Francis Runner, Guide Vanes, and Turbine Nut
ee along with generator stator and rotor winding

150 km? (upto Trishuli diversion)

a2 Cc
i

2/5 ie

= ms
2, >
(=)

ge

te

refurbishment. A new brake and jacking system was
installed, and the SCADA system was restored.

Other works included upgrading the station supply
system, installing a 33kV breaker and _ isolator,
repairing Unit No. 2 generator rotor connections, and
fixing Unit No. 3's excitation system with a new AVR
current transformer. Infrastructure improvements
included a new fencing wall and staff duty room at the
substation.

eS) Generation Directorate 20812082 x NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17 Issue : 2082

Future plans include upgrading the SCADA and governor systems and procuring new rotor coils for Unit No. 2.

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000

GENERATION (MWH)

Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
02079/080 7,466 8,193 4,179 6,495 9,086 9,123 7,409 6890 6,584 7,206 8,500 7,782
@2080/081 7,170 6,384 7,138 8,432 8382 7,903 6,864 6475 6,276 7,967 7,137 6,703
™2081/082 6,060 3,436 3,453 7,241 7,226 7,514 7,837 6699 7,516 7,611 7,004 4,763

Actual Generation comparison with Target, Designed & Till Date Max
Generation

12,000

10,000 &, छ & & & ४। ङ a ४
= Y ; & 4
= 8,000। &ङ
=
> 6,000
O
iT
Z 4,000
LW

2,000

: Shr Bha Asw Kar Man २200 Mag Fa Cha Bai Jes Ash

C— Actual 6,060 3,436 3,453 7,241 7,226 7,514 7,837 6699 7,516 7,611 7,004 4,763
C— Target 8,008 7,580 7,951 8885 8886 8,754 7,535 7,000 7,217 8400 8,222 7,547

e Till Date Max 9,751 9,333 9,834 10,170 9,996 9,838 8347 7,972 8,982 9,746 10,397 9,242
e Designed 9,698 9,283 9,781 10,116 9,943 9,785 8,303 7,930 8,934 9,694 10,341 9,193

2 बि Directorate 2081/2082

NEPAL ELECTRICITY AUTHORITY ©

17 Issue : 2082

ae

Cs wal = pe

ay AE ee (SO Bea

Dismantling of Generator bracket

Pf। ~

Surface protection work on runner

Se =), NEPAL ELECTRICITY AUTHORITY
¥ Generation Directorate 2081/2082

MODIKHOLA HYDROPOWER STATION

Modikhola Hydropower Station, situated in Dimuwa,। the plant has reached 1,438.3 GWh as of the end of fiscal
Parbat district, approximately 46 km west of Pokhara City, year 2081/82. During the current fiscal year, the station
has an installed capacity of 14.8 MW, comprising two produced 75.3 GWh, representing a 4% decrease compared
vertical shaft Francis turbines of 7.4 MW each. The plant's _ to the previous year. This output corresponds to 97% of the
annual designed generation is 91.0 GWh. targeted generation and 83% of the designed capacity for
the year.

Since commissioning, the cumulative energy generation of

a
eo
14.

USD 30 Million
ce

ated P Factor

ted ut
09
————

___ © Generation Directorate 20812002 _ —agun Xx 3 NEPAL ELECTRICITY AUTHORITY
'~~ Generation Directorate 2081/2082

17 Issue : 2082

Manufacture

6.6 kV
a
No. of Circuit Single
37 km

Transmission Voltage Level 132 kV
a
510 km?

27.5 m/sec

Key activities and achievements this year lines and covered conductor replacement. Major civil
works included gate seal repairs, concreting at the dam,
pondage wall construction, and installation of brake jacks
and safety railings. A gabion structure was also built to
divert Gairi Khola's flow.

The hydropower station carried out key upgrades
including Unit-2 turbine overhauling, Unit-1 transformer
lifting, rotor-stator inspection, and 132kV_ transformer
maintenance. Electrical improvements featured new 11kV

So

ease of MIV from the turbine floor

Head Cover repair works

me 9) Generation Directorate 20813082 =), NEPAL ELECTRICITY AUTHORITY
'</ Generation Directorate 2081/2082

17 Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual generation
against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

GENERATION (MWH)

Shr Bha Asw Kar Man Pou i Ash
02079/080 8425 9,127 8704 8142 5,933 4460 3,135 3,202 3,159 4621 7,820 7,175
@2080/081 8,065 8376 8486 8165 5,620 4,058 2,971 2,327 3,536 5,401 8,259 7,061
@2081/082 8,533 8240 8799 9,272 5,861 3,993 3,441 2,790 3,369 4,681 7,200 9,166

Actual Generation comparison with Target, Designed & Till Date Max
Generation

12,000

&

10,000 &
~ ५ छ ३ &
= 8,000 .
= & डु
> 6,000 ४,
९) ७, ७,
ी e ad
2 4,000 ७, ४

2,000

Shr Bha 5५४ Kar Man 200 Mag Fal Cha Bai Jes Ash
Cc Actual 8,533 8,240 8,799 9,272 5,861 3,993 3,441 2,790 3,369 4,681 7,200 9,166
C— Target 8,463 8691 8965 8368 5,975 4,245 3,240 3,090 4,066 5,764 8614 7,851
e Till Date Max 8,899 9,127 10,200 9,272 6,664 4,586 3,614 3,741 5,130 6,908 9,440 9,318
e Designed 6,957 9,244 10,932 9,868 6,904 ee 4,159 4,100 6,003 7,454 11,054 8,954

बि NEPAL ELECTRICITY AUTHORITY
'<7 Generation Directorate 2081/2082

KULEKHANI- 111 HYDROPOWER STATION

Kulekhani III Hydro Power Station (Kulekhani
111) with an installed capacity of 14 MW with an
annual energy generation of 40.85 GWh is a cascade
scheme of Kulekhani Storage Project (Kulekhani I
and Kulekhani I] HPS). Predominantly, Kulekhani
111 utilizes the regulated flow of Kulekhani II Hydro
Power Station and the natural flow of Khani Khola for
the energy generation. The headwork is located about
40 km southwest of Kathmandu and about 10 km north

of Hetauda Sub-Metropolitan city in Makawanpur
district.

The cumulative generation of the plant till the end of
FY 2081/82 reached 176.3 GWh from its first run.
The plant has generated 34.3 GWh of energy this year
which is 54% more compared to the previous year.
This value is 117% of target generation this year and
is 79% of designed generation.

Unit No. 2 Shaft alignment work

Key activities and achievements this year

Recent enhancements at the hydropower station
included shaft alignment and replacement of
वै bearings in Unit-2. Station service vacuum
circuit breakers (7.2 kV) were installed, tested, and
commissioned in Units 1 and 2. Sediment removal

and gabion protection were carried out at Adit 4, along
with gate painting. Crossovers were installed in Units
1 and 2 to improve safety, and the RCC road from the
main gate to the office and quarters at Sanutar was
completed.

eS) Generation Directorate 20812082 छ NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17 Issue : 2082

SALIENT FEATURES
Location
Province
District
Intake site
Power house site
General
Name of river
Type of scheme
Gross head
Net head
Capacity
Year of Operation
Project cost

Bagmati

Makwanpur

Bhainse, Makwanpur
Sanutar, Makwanpur

Khani Khola

Cascade of Kulekhani Storage - 2
109.8 m

103.2 m

14 MW Designed

2076

Capitalization Stage

Contractor

Funding Agency
Project Duration
Turbine

Manufacture

Number & Type
Rated Output capacity
Rated Flow

Rated Speed
Generator
Manufacture Zhejiang Jinlun Electromechanic Co.Ltd
Rated Capacity 8.56 MVA

Governor en
0.8 sec

Adjustment for Speed Drop 0.8 sec
Ce

JSB,Zhejiang Jiangshan Trasformer Co.Ltd,
Rated Capacity 9.1 MVA

Primary Voltage Level 6.6 kV
Secondary Voltage Level 132 kV
Transformer Vector Group YNd5
Type of Cooling
Transmission Line
Conductor Type/Size BEAR/23.45mm

No. of Circuit Double

Transmission Voltage Level 6.6 kV-132 kV Step up
—<——
143 sq.km

Design Discharge

___ © Generation Directorate 20812002 _ —agun NEPAL ELECTRICITY AUTHORITY
'< Generation Directorate 2081/2082

Civil-Sino Hydro,EM/HM-Zhejiang Zinlun Electromechanic Co.Ltd
GON, NEA
Approx 12 years

Zhejiang Jinlun Electromechanic Co.Ltd
Two/Vertical Shaft Francis

14 MW (7X2)

16 m?/s

600 rpm

©
Z

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

6,000
5,000
4,000

3,000

111].

Shr Bha Asw Kar Man Fal Cha Bai Jes Ash
02079/080 1,859 1,528 793 553 1,411 3,739 1,770 1,948 4,111 5,512 2,400 1,912
@2080/081 517 958 1,691 715 1,176 1,355 2,140 361 2,748 5,524 3,717 = 1,378
@2081/082 2,050 2,246 3,894 2,595 1,810 2,851 1,501 835 4902 5,390 3,670 2,534

GENERATION (MWH)

Actual Generation comparison with Target, Designed & Till Date Max
Generation

7,000

6,000 ४ «७, छ ©
क 5,000 © ©। र
=। *।
= 4,000 © a
> ©।

s

te 3,000 © ङ् ४,
ra 2,000 र ४

_ TL (ha:

: Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash

C— Actual 2,050 2,246 3,894 2,595 1,810 2,851 1,501 835 4,902 5390 3,670 2,534
C— Target 1,454 1,546 3,218 1,992 1,416 2,513 1,232 603 4,635 5,252 3,345 2,059

e Till Date Max 5,731 3,831 3,894 2,595 3,092 3,739 3,195 2,150 5,162 5,524 3,890 5,952
e Designed 3,268 2,043 2,043 1,634 2,451 4,085 4,902 5,311 5,719 5,311 3,677 2,860

Ss क NEPAL ELECTRICITY AUTHORITY
कछ Generation Directorate 2081/2082

_ work Shaft alignment in unit 2

——— rotating device used for shaft alignment of unit 2

___ ©) Generation Directorate 20812082 ना 3 NEPAL ELECTRICITY AUTHORITY
'</ Generation Directorate 2081/2082

SUNKOSHI HYDROPOWER STATION

Sunkoshi Hydropower Station is a run-of-river daily Ministry of Water Conservancy and Electric Power of
pondage facility located in Sindhupalchowk district, the People's Republic of China.

approximately 81 km east of Kathmandu. The plant
has an installed capacity of 10.05 MW, consisting
of three generating units of 3.35 MW each, and an
annual designed energy generation of 70 GWh. It was
commissioned in January 1972 through the friendly
cooperation between the Government of Nepal and the

As of the end of fiscal year 2081/82, the plant's
cumulative generation has reached 3,320.2 GWh.
In the current fiscal year, it produced 60.6 GWh of
energy—4% higher than the previous year. This
represents 100% of the targeted generation and 97%
of the designed annual output.

View of Damsite of Sunkoshi HPS

SALIENT FEATURES
ce
Pangretar
General

General

बै of scheme Run-off-the-river
Gross head 31.5m

छ me) Generation Directorate 20812082 4 NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17" Issue : 2082

Net head 30.5 m

Contractor Tianjin in Generating Equipment Plant, PRO China

People's Republic of China

Turbine

Tianjin in Generating Equipment Plant, PRO China

Tianjin i ing Equipment Plant, PRO China
a
a
1
Hydrology

छ का

Key activities and achievements this year All seven barrage gate ropes were replaced, and
new slip rings, carbon brushes, and holders were
installed across all units. Additional improvements
included electric hoists (5-ton and 3-ton sets), a new
dry-type excitation transformer (6.3/270, 160 kVA),
we a transformer oil filtration system. Bypass gates
a also installed at the dam to improve operational
flexibility.

Extensive upgrades were recently completed at
the hydropower facility to enhance reliability and
efficiency. These included soft coating of a Francis
Turbine and its guide vanes, shaft seal replacements
for all units, and installation of new HP and LP
compressors. New trashracks and beams were
fabricated and installed at the dam and forebay sites,
along with new forebay and gallery gates.
= ___ © Generation Directorate 20812002 _ —agun, NEPAL ELECTRICITY AUTHORITY
'< Generation Directorate 2081/2082 ©

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

7,000
6,000
z= 5,000
=
=
> 4,000
९?
1
<= 3,000
uu
Zz
छ २2,000
1,000
: Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Ash

012079/080 4,978 6,116 6,560 6,530 5,351 3,929 2,801 2,795 2,886 2,949 4,573 5,810
™2080/081 6,202 6,386 6,360 6,491 5,436 4,132 3,410 3,221 2,933 3,012 4,800 5,777
M2081/082 5,866 6,275 6,025 6,625 6,194 4,394 3,923 3,611 3,/17 3,457) = 4,789 ७5,732

Actual Generation comparison with Target, Designed & Till Date Max
Generation

8,000
7,000 छ र ७, © ङ
> 6,000 : © °
=
S 5,000 ४
छ, 4,000 डु
i
fr 3,000 थी
Zz
Lu 2,000
1,000
हा Shr Bha Asw Kar Man Pou Cha Bai Jes Ash
C— Actual 5,866 6,275 6025 6,625 6,194 4,394 3,923 3611 3,717 3,457 4,789 5,732
C— Target 5,960 6,313 6,651 6,665 5617 4,245 3,519 3,228 3,346 3,638 5405 6,068

७ Till Date Max 7,214 7,262 7,161 7,349 6,309 4,696 4,059 3,611 4,220 6,044 7,114 7,148
e Designed 6,818 6,818 6,818 6,506 5,268 4,043 3,235 2,776 3,340 4,514 5,851 6,700

Ss क NEPAL ELECTRICITY AUTHORITY
<4 Generation Directorate 2081/2082

Slip Ring Installation

a of maintenance gates Cerne hoist installation works at damsite

___ © Generation Directorate 20812082 ना 3 NEPAL ELECTRICITY AUTHORITY
'<< Generation Directorate 2081/2082

ILLAM (PUWA KHOLA) HYDROPOWER

STATION

The Ilam (Puwakhola) Hydropower Station is a
run-of-river type plant located in Golakharka, Ilam,
approximately 80 km northeast of Birtamode, Jhapa.
The plant has an installed capacity of 6.2 MW,
comprising two units of 3.1 MW each, and an annual
designed generation of 48 GWh. It was commissioned
in 1999 AD. The project was jointly funded by the

Power house site Tlam-09

Government of Nepal and NEA.

As of the end of fiscal year 2081/82, the plant's
cumulative energy generation has reached 798.4
GWh. During the current fiscal year, it generated 34.6
GWh—2% higher than the previous year—achieving
100% of the annual generation target.

a
Swe

Net head

me (की Generation Directorate 20812082 X रे NEPAL ELECTRICITY AUTHORITY
' Generation Directorate 2081/2082

17" Issue : 2082

Capacity 6.2 MW
C 2000 AD
USD 15.7 Million

Contractors
Civil

China National Water Resources and Hydropower Engineering Corporation and
Laxmi Shrestha Co. (P), CWHEC-Laxmi J/V

Nepal Hydro & Electric (P) Ltd. (NHE), Butwal
Dongfang Electric Corporation (DEC), China
HMG/N & NEA

Electromechanical

51 months (Oct 1995 -Dec. 1999)

Turbine

Dongfang Electric Corporation (DEC), China
2 (Two) / Horizontal Axis Pelton

2 x 3300 kW

2 x 1.25 m?/sec

600 rpm

Generator
Dongfang Electric Corporation (DEC), China
2 x 3700 kVA

6.6 kV

0.85

Brushless Excitation System

C

Type of Excitation System
Governor

Type Digital Control
PID
Transformer
Schneider Electric Infrastructure Ltd., India
8000 kVA

33 kV

6.6 kV

YNd11

ONAN

Secondary Voltage Level
Transformer Vector Group

Type of Cooling

Transmission Line
Conductor Type/Size Dog
Single
Length

Transmission Voltage Level 33 kV
125.1 km?
2.5 m/sec
बि गा

Catchment Area

[1 ae) ro। "1 rg
511८।e S Fe Sze S\PIZ।S/OIZ ZIT ZS i272) Fle छ हु
saa : =। 2 hares alolja। 2 =। ot। छ © ८.। 8 ८। ६)
a।Z. ६. 3 16। 3 16 1612 1616 =) =e a. ष्--। 3
Ss oO।G = oO
० (एव के 28 =।a।¢ a €6.। 6,615। 8। 1515 Q।= © Q।°
s।? ङ् 210] sS 151८।818121-1015 2 7 5 a।=
53.28 lg © s/o 5 Cifle/Sisyslelelals 9।S नु 912
©। = ५५ 23 <।sie 23 थं।" le 6) +/@/¢e </> ९ 288
09। ए? << te) 6 16 /5 > ql?।@/s 6। = 1"। 7$ 109 पा +
2 =f छ।ठ.।4 55 Sie jeje)।S)" 5515] 2525 =
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0.। फु।< = ७ ष्ड, c।S 2 18 5 =.
= 09 N ८ S [22 n
उ।° छ 3 5 छ ~ 5
त < त हि = 2.
6. a. Z 3
[क ge
Loe
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टु
०

छट Directorate 20817087 ag . NEPAL ELECTRICITY AUTHORITY ee
'< Generation Directorate 2081/2082

17" Issue : 2082

Key Activities And Achievements This Year

The hydropower station recently completed several
key maintenance and repair activities. Penstock
rectification was carried out between Anchor Blocks
AB#03 and AB#5A, and the 3700kVA synchronous
generator stator coil of Unit #02 was repaired with
new terminal cables and improved insulation. In-house
restoration of a 33kV outdoor VCB was completed,
and the bearing oil cooler of Unit #02 was replaced to

resolve overheating issues.

Additional works included repairing the Pelton runner
and turbine guide bearing, preventive maintenance
of the 33kV switchyard and transformers, and
civil improvements such as access road repairs and
construction of a new store. A coffer dam was built,
the chute of the diversion weir gate was repaired,
and bush cutting and debris removal were carried out
along the penstock and reservoir areas.

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual

generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

5,000

4,500

4,000
x= 3,500
=
= 3,000
=
Oo 2,500
&
cc 2,000
Ww
छ 1,500
(0),

1,000

500। Shr Bha Asw Kar Man
O2079/080 4,427 4,390 4,131 4,181 2,771
™2080/081 4,581 4,539 4,465 4,123 2,753
™2081/082 4,743 4,590 2,579 3,784 3,011

5,000

li

Actual Generation comparison with Target, Designed & Till Date Max
Generation

1117

Pou Cha Ash
1,534 1,593 1,457 1,830 1,305 1,723 3,668
1,933 1,480 1,228 1,361 1,155 1,895 4,367
1,815 1,714 1,686 1,284 2,230 2,883 4,290।
4,500। s ७.
&

4,000 © ©
को 3,500
= 3,000 © ७
2 2,500 ~ g
v4 2,000 © ©
i 1,500

1,000

500

हा Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
See 4,743 4,590 2,579 3,784 3,011 1,815 1,714 1,686 1,284 2,230 2,883 4,290
C— Target 4,581 4,539 2,580 4,123 3,121 2,232 1,760 1,331 1,605 1,869 2,521 4,367

e Till Date Max 4,743 4,590 4,465 4,310 3,838 2,953

2,209 2,703 2,046 2,566 3,872

me दियी Generation Directorate 20812082 क NEPAL ELECTRICITY AUTHORITY
छ Generation Directorate 2081/2082

17 Issue : 2082

Construction of Coffer Dam for Repair and Maintenance
of Intake

heating-drying of stator

—<—_— of 3700kVA synchronous generator stator coil
of unit#02 with new terminal cable

छन Generation Directorate 20812082 _ gum ELECTRICITY AUTHORITY
<4 Generation Directorate 2081/2082

CHATARA HYDROPOWER STATION

Chatara Hydropower Station is a Canal drop type
Hydro-Power station. It has an installed capacity
of 3.2 MW with 2 units of 1.6 MW with an annual
designed generation of 6 GWh. It is located in
Chatara, Barhakshetra Municipality. The Powerhouse
was handed over by Sunsari Morang Irrigation Project
in the year 2053 B.S.

The operation of Multi Fuel Power Plant (which is

non-operational) is also now under the management
of Chatara Hydropower Station.

The cumulative generation of the Chatara Hydropower
Plant till the end of FY 2081/82 reached 70.8 GWh
from its first run. The plant has generated 2.3 GWh
of energy this year which is 32% less compared to the
previous year. This value is 61% of target generation
this year and is 39% of design generation.

SALIENT FEATURES
Pn

ce

Rated Voltage 11 kV

NRs. 162.6 Million

Key activities and achievements this year

Rated Frequency

Recent upgrades at the hydropower station include
the installation of a 50४2 DG set in the powerhouse,
es of the vane pump set and accumulator
in the governor OPU, and modification of hydraulic

pipelines for the braking system and OPU. Two sets
of 13m tubular steel H-poles were installed for 33kV
river crossings, and repair and painting works were
completed at the powerhouse and office building.

me दियी Generation Directorate 20812082 x NEPAL ELECTRICITY AUTHORITY
'/ Generation Directorate 2081/2082

17 Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

700
600
= 500
=
र 400
©
E
= 300
Z
Lu 200
©
100।।
. Shr Bha Asw Man Cha Bai Jes Ash
02079/080 546 482 463 310 - 152 0 340 361 151 173 328
@2080/081 571 496 332 333 37 209 262 284 259 11 166 454
™2081/082 597 558 384 302 - 10 - - - - 219 242
Actual Generation comparison with Target, Designed & Till Date Max
Generation
1,200
1,000 g
2 डु
r &
= 800 P।
छ 600 ४
रप 5 या
LWW ७) s
400 ४, « ~ & e
Zz ~~ a) ry a
Ww & & 3 = ४ ©
हि Hof tif off i
: Shr 818 Asw Kar Man Pou Mag' Fal ८08 Bai २65 Ash
Cc Actual 597 558 384 302 - 10 - - - - 219 242
C— Target 571 542 431 298 164 218 232 294 277 108 230 454

७ Till Date Max 1,008 934 766 457 363 362 324 409 362 338 594 734
e Designed 945 875 718 428 340 340 282 268 281 317 519 688

बि NEPAL ELECTRICITY AUTHORITY
छ Generation Directorate 2081/2082

17" Issue : 2082

Control room Chatara HPS with Intake and Gates

o aleal
pepe 11 11

F
1,

वि ELECTRICITY AUTHORITY
Generation Directorate 2081/2082

PANAUTI HYDROPOWER STATION

Panauti Hydropower Station is the third hydropower
station which was constructed in Nepal. Commissioned
in 2022 B.S, it is the first megawatt (MW) sized
hydropower station in Nepal. It is a run-of-the-river
hydroelectric plant on the Roshi Khola River. This
power station is located at Khopasi, Kavre district, 35
km east of Kathmandu. It was built in 1965A.D. with
the assistance from the Soviet Union at a cost of NRs
27 million. The plant has 3 units of Francis Turbine
with 800k W each (one unit being standby) with annual
designed generation of 6.97 GWh. The Project was
designed for operation of only two units at a time with
third unit as a standby. Open canal of 3,721 m long

with discharge of 3.2 m?/s from headwork to reservoir
has seven (7) outlet gates for irrigation in the vicinity
of Khopasi.

The cumulative generation of this plant till the end of
FY 2081/82 reached 150.6 GWh from its first run. The
plant has generated 1 GWh of energy this year which
is 63% less compared to the previous year. This value
is 33% of target generation this year and is 15% of
designed generation. This major setback to the energy
generation is due the damages caused by extreme
flooding in the month of Asoj.

SALIENT FEATURES

OEM

2.4 MW

V.V. KUBYSHEV ELECTRIC PLANT, USSR

Panauti Municipality - 10, Khopasi

Installed capacity

pe

Live storage volume of Regulating

50,000 m?

1 no.s, 370m long, diameter 1.4 m

D5 .
NOSCTVO
T ज् ७

T al

Number and Type 3, Horizontal Francis

Rated discharge 1.61 m?/s

0.85 MW

Rated speed

Generator

1000 rpm

1000 kVA
Rated voltage 6.3 kV
Rated frequency

Power factor

S=—— 550 kVA x 2 Nos., 6.3 kV/33 kV, 3 phase

Transmission line

33 kV, 20 km, single circuit

NRs. 27 million ८

2 ___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'~~ Generation Directorate 2081/2082

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

600
500
r
= 400
=
Zz
९? 300
पा
oc
Lu
Zz 200
Lu
G)
; Shr Bha Asw Kar Man Cha Jes Ash
02079/080 316 324 283 261 252 255 167 155 179 116 61 144
2080/0081 433 493 478 390 261 218 94 93 87 45 35 185

W2081/082 477 454 116 - - - - - - - - -

Actual Generation comparison with Target, Designed & Till Date Max
Generation

1,200
1,000। ४
— &
> 800 ४ &
= ©
> 600 2
५)
th © ७ &
uw & ¢ & ४ छौँ
. Shr Bha Kar Man Pou Mag Fal ८08 Bai Jes Ash
C— Actual 477 454 116 - - - - - - - - -
C— Target 483 463 478 390 276 255 147 131 118 111 96 218
७ Till Date Max 595 644 683 590 428 355 275 207 196 226 307 459
e Designed 835 904 959 828 601 499 386 290 276 317 431 644

Ss क NEPAL ELECTRICITY AUTHORITY
<% Generation Directorate 2081/2082

Damage Assessment and_ Restoration Plan

Following 2081 Ashoj Flood and Landslides

During the period of Ashoj 11-12, 2081, the site
experienced extreme rainfall that triggered devastating
flooding and landslides. These events caused extensive
damage to the headworks and powerhouse facilities.

The river path at the headworks was significantly
distorted, and the forebay pond became filled with
floodborne debris originating from the canal. Frontal
and backside landslides, along with a blockage in the
tailrace river caused by the backside slide, led to the
complete submergence of the powerhouse under mud
and water. This incident resulted in the loss or severe
damage of various equipment and tools. Control and
protection panels were entirely submerged, filled with
mud, and rendered beyond repair.

Since the incident, the plant has remained non-
operational.

In response, critical civil works such as drainage
improvement, construction of revetment walls, and
gabion wall installations have been undertaken to

17 Issue : 2082

stabilize the frontal landslide area. The powerhouse
premises, including the interior, have been cleaned
and cleared of debris.

Key components such 85 governors, power
transformers, generators, and runners are currently
undergoing thorough inspection and _ cleaning.
Encouragingly, many of these items have been found
operable after assessment.

To restore functionality, the plan moving forward
includes:

e Procurement and installation of new control panels,

e Execution of essential civil works including
protection from landslides (both frontal and
backside),

e Cleaning of the forebay pond,

e River training and debris removal in the headworks
area.

The target is to restore and bring at least two generating
units back into operation by the end of the current
fiscal year.

Pinal

On going site cleaning works

——— ELECTRICITY AUTHORITY

x Generation Directorate 2081/2082

17 Issue : 2082

Before flood After flood

Es NEPAL ELECTRICITY AUTHORITY
' Generation Directorate 2081/2082

SETI HYDROPOWER STATION

Seti Hydropower Plant is a run-of-river type with
installed capacity of 1.5 MW and designed generation
of 9.8 GWh consisting of 3 units each of 0.5 MW. It is
located at Nadipur, Pokhara, 03. The canal for this plant

The cumulative generation of this plant till the end
of FY 2081/82 reached 394.2 GWh from its first run.
The plant has generated 11.3 GWh of energy this year
which is 4% less compared to the previous year. This

value is 95% of target generation this year and is 115%
of design generation.

is primary used for irrigation purposes, looked after
by Irrigation Division Office, Pokhara and hence, the
operation of this plant is affected by irrigation as well.

SALIENT FEATURES
chow Electrical Equipment Works, The Peoples' Republic of China

1 No., 90m long, Dia 2.4m, steel lined
ee
06

valves were fitted at Unit No. 1 and Unit No. 3. The
old EOT crane was replaced with a modern unit, and
a new trash rack system with hoisting assembly was
commissioned at the forebay. Unit No. 3 underwent a
full overhaul, and all six flushing gates at the desander
basin received seal replacements and maintenance.
These interventions are expected to enhance the
a efficiency, safety, and long-term reliability.

Key activities and achievements this year:

As part of the ongoing rehabilitation efforts at the
Seti Hydropower Plant, several key upgrades and
maintenance activities have been completed. Around
1 kilometer of the 11 kV transmission line to Kudahar
Substation has been upgraded with a 0.1 sq. inch PVC-
insulated covered conductor. New digital excitation
systems were installed at Unit No. 2 and Unit No. 3,
and hydraulically operated butterfly-type main inlet

2 ___ © Generation Directorate 20812002 _ —agun 3 NEPAL ELECTRICITY AUTHORITY
'~~ Generation Directorate 2081/2082

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

1,200
1,000
=
= 800
2
र
९? 600
Ke
<<
[०
Lu
2 400
Lu
O
200

Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash
02079/080 979 969 1,049 1,063 1,010 1,019 936 895 956 1,033 1,061 854
™2080/081 1,006 1,004 969 1,077 1,044 985 946 850 939 965 933 971
@2081/082 915 1,033 983 1,075 1,016 909 974 884 870 736 997 862

Actual Generation comparison with Target, Designed & Till Date Max
Generation

1,200

1,000 ॥ a ॥ [। ४ (fh & ४ i [1]
नु।।। ;। ae। ay =u ~~ C) On
= 800।।।। O।
छ
> 600
©
it
ra 400
WW

200

Shr Bha Asw Kar Man Pou Mag Fal Cha Bai Jes Ash

C— Actual 915 1,033 983 1,075 1,016 909 974 884 870 736 997 862
C1 Target 1,006 1,004 972 1,077 1,044 994 954 913 952 994 986 971

e Till Date Max 1,006 1,033 1,076 1,077 1,088 1,070 1,011 1,005 1,023 1,034 1,067 971
e Designed 776 770 861 836 870 856 809 788 818 827 829 760

Ss -- Generation Directorate 2081/2082

a छ X ~, NEPAL ELECTRICITY AUTHORITY

0101: बा ARE

I tiv ans ४181 कन।
1 प्रति
WAI) A Iv ॥

; ae ANNI UME SET
उ eee।

1111 11]11] '।

Gate Seal Replacement

Trash rack with hoisting

—— =~, NEPAL ELECTRICITY AUTHORITY
x Generation Directorate 2081/2082

FEWA HYDROPOWER STATION

Phewa hydropower station is a canal drop type Power
Plant having an installed capacity of 1.0 MW and
located at Pardi, Birauta, Pokhara with an annual
designed generation of 6.5 GWh. It consists of 4 units
each 0.25 MW. It was commissioned in 1969 AD
and developed jointly by the Government of India
and Government of Nepal. The public encroachment
of power canal leading to Powerhouse is a concern
for normal operation regardless of the availability of
generating units.

Out of 4 units, unit no. 2 and unit no. 4 were in shut
down condition for about 2 years due to the rotor/
stator armature coil burnout while other two units, unit
no.1 and unit no.3 are in normal operating condition.

The cumulative generation of this plant till the end of
FY 2081/82 reached 104.9 GWh from its first run. The
plant has generated 1 GWh of energy this year which
is 13% less compared to the previous year. This value
is 51% of target generation this year and is 15% of
designed generation.

SALIENT FEATURES

Canal Drop

OEM AEG, Germany

Baidam, Pokhara

Installed capacity 1.0 MW
Annual average energy 6.5 GWh
74.68 m

Turbine
Generator
Rated output

350 kVA, 0.4/11KV, 4 Nos
1100

Key activities and achievements this year

store room, and the Phewa powerhouse. To mitigate
erosion and prevent local encroachment, concrete
pillars were constructed along a 1.5 km stretch on
the — bank of the power canal, extending from the
Ram Mandir intake gate to the forebay.

Main activities this fiscal year included the complete
Sa of Unit No. 3 to restore optimal
performance. Civil repair and maintenance works
were also carried out across critical infrastructure,
including the headrace power canal, control room,

हा दियी Generation Directorate 20812082 =» NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

17 Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

250
200
r=
=
2 150
Zz
९
पु
ac 100
uu
az
uw
O
; I"।
: Shr Bha Asw ar Man Fal Cha Bai Jes Ash
02079/080 196 209 200 96 6 152 95 63 66 84 93
& 2080/081 185 190 184 50 118 188 52 - - -

& 2081/082 114 147 208 57 110 128 95 9 - - - 96
Actual Generation comparison with Target, Designed & Till Date Max
Generation

800

8,
700 ७, & ७,
&

छ 600 ©
S 500 ४ ८ © & s
छ 400 & ४ र © ४ & &

300
र © ©
WW 200

७,। al।।। _। [।।

1। noool

Shr Bha Asw Kar Man Pou Fal Cha Bai Jes Ash

C— Actual 114 147 208 57 110 128 95 9 - - - 96
1 Target 252 257 233 95 163 207 204 142 63 66 65 143

e Till Date Max 375 372 366 460 431 482 395 343 269 265 519 479
e Designed 383 399 406 671 629 703 576 500 392 387 157 698

—— NEPAL ELECTRICITY AUTHORITY
छ Generation Directorate 2081/2082

। मकर Pillar for land Protection

बिके Generation Directorate 20812082 Xx » NEPAL ELECTRICITY AUTHORITY
55" Generation Directorate 2081/2082

SUNDARIJAL HYDROPOWER STATION

Sundarijal Hydropower Station is located at Gokarneshwor
Munucipality, 15 km northeast of Kathmandu and serves
twin purpose of water supply and energy.

The tail-water discharge is utilized for water supply
system to Kathmandu Valley. It has two Turbo-
Generator sets with total installed capacity of 640 kW
& the plant capacity has been upgraded to 970 kW and
also successfully commissioned and synchronized
with national grid in the Fiscal year 2020/21 under

Project. This Plant was erected under Colombo Plan
scheme and is the second oldest hydropower plant
constructed in Nepal.

The cumulative generation of this plant till the end
of FY 2081/82 reached 160.2 GWh from its first run.
The plant has generated 6.6 GWh of energy this year
which is 6% more compared to the previous year.
This value is 105% of target generation this year and
is 138% of designed generation.

Tinau-Sundaryal Hydropower Station Rehabilitation

SALIENT FEATURES
ce
Number and Type
pe
pe
Rated frequency
Power factor

Key activities and achievements this year

circuit breaker. Repairs were also conducted to address
nitrogen leakage from the accumulator of Unit No. 2.
Furthermore, the trash rack at the tunnel was repaired
and is now subject to regular cleaning, particularly
ee the wet — to maintain efficient intake
operations.

Maintenance activities were focused on enhancing
operational reliability and safety. Deposited debris
in the intake pond was thoroughly cleaned to ensure
unobstructed water flow. The sluice gates underwent
inspection and necessary repairs, while maintenance
work was carried out on the common 2000A-rated air
= ___ © Generation Directorate 20812002 _ —agun, NEPAL ELECTRICITY AUTHORITY
'< Generation Directorate 2081/2082 ©

17" Issue : 2082

The figures below illustrate the monthly energy generation trends over the past three years, comparing actual
generation against both target and designed capacities.

Monthly Energy Generation Trend of last 3 Years

800
700
600
500
400

300

GENERATION (MWH)

200

100

Jes Ash

Cha
02079/080 670 655 642 650 575 382 420 339 314 235 305 597
@2080/081 709 677 671 606 585 526 464 356 740 190 165 497
@2081/082 685 678 670 623 606 528 470 357 351 353 528 712

Shr Bha Asw Kar Man Pou Mag

Actual Generation comparison with Target, Designed & Till Date Max
Generation

800
700 a छै
= 600 ॥ ४।
= 900।॥॥ & (। 7
त 400। [1] ४
it 300। छ ॥ [¥ ~@
Zz
Ww 200
100
: Shr Bha Man Pou Mag Fal Cha Bai Jes Ash
C— Actual 685 678 670 623 606 528 470 357 351 353 528 712
C—1 Target 709 677 671 622 585 527 469 377 434 251 326 590

७ Till Date Max 709 678 690 650 606 578 503 431 740 353 528 712
e Designed 478 459 448 451 426 405 385 319 284 278 379 459

Ss क NEPAL ELECTRICITY AUTHORITY
<4 Generation Directorate 2081/2082

17" Issue : 2082

Repair of ACB 2 Maintenance of OPU 2

—— NEPAL ELECTRICITY AUTHORITY
र Generation Directorate 2081/2082

PHARPING HYDROPOWER STATION

Pharping Hydropower Station, Nepal's first and Asia's
second hydropower plant, signifies the beginning
of the nation's journey into electricity generation.
Located 12 km south of Kathmandu in Dakshinkali
Municipality, the plant was inaugurated on 22 May
1911 (9th Jestha 1968 B.S.) by King Prithvi Bir
Bikram Shah Dev, marking a historic milestone in the
country's energy sector.

The project was initiated following Prime Minister
Chandra Shamsher's visit to Britain in 1964B.S., which

led to the formation of a planning committee headed
by Executive Engineer Col. Kishor Narasingh Rana.
British engineer Bernard Pontet prepared the project
estimates, while T.E. Lynch supervised equipment
installation. Constructed within just 20 months with
the assistance of Nepalese and Indian technicians, the
project was fully funded by the Government of Nepal,
with turbines and generators provided as a grant by
the British Government.

Proposed layout for Pharping Museum

Operation and Maintenance

=e station consists of two generating units of 250
kW each, with a total installed capacity of 500 kW.
It remained operational until 1982 AD (2038 B.S.),
after which generation ceased due to the diversion of
ock water for Kathmandu's drinkj

Kathmandu Upatyaka Khanepani Limited (KUKL).
Although not in regular operation, the plant is kept on
standby and occasionally run for demonstration.

After 25 years of dormancy, major repairs and
overhauls were completed in FY 2062/63, and the

eS) Generation Directorate 20812082 क NEPAL ELECTRICITY AUTHORITY
<% Generation Directorate 2081/2082

units were tested and reconnected to the Integrated
Nepal Power System (INPS) on 20 December 2006.

In recognition of its historical importance, Nepal

17 Issue : 2082

through NEA Engineering Company. The ongoing
master plan includes restoration of structures, modern
museum design, equipment maintenance, and visitor

facilities to establish the site as a knowledge hub for

Electricity Authority (NEA) has initiated the
students and researchers.

development of the site into a hydropower museum

Master plan of proposed museum

SALIENT FEATURES

Reservoir

Diameter

Depth

Total Storage Capacit
Penstock Pipe

Diam (internal

Total length of pipes
Power Station General
Design Head

Installed Capacit
Number of units
Turbine Generator Sets
Shaft Configuration
Turbine

Type

Revolution
Manufacturer
Generator

Type

Capacit

Power Factor

Rated Voltage

Rated Current
Configuration
Excitation Voltage
Excitation Current
Transformer:

Capacit

Voltage Level
Numbers

Breaker Type

M/C Synchronized
Overhead Transmission Line:
Length
—————— les

Type

Two major crossings on Bagmati River

200 ft
18 ft
5, 28,783.00 cu. ft.

0 inches
538 feet

i)

682 feet
500 kW
Two

Horizontal
Iton

m
E company, USA

oO

a छ
6- 6

८)

झ भ

nchronous, 3 Phase
12.5 kVA

Oo

3kV

[४
iS
0०८
>

> <

50 kVA
3/11 KV

MOCEB all
11 kV

6 miles

Steel

Wooden

600 ft & 800 ft lon

___ © Generation Directorate 20812002 _ —agun दे LECTRICITY AUTHORITY
'~~ Generation Directorate 2081/2082

THERMAL PLANTS

Nepal Electricity Authority (NEA) owns only two
thermal power plants, which currently remain largely
inactive due to the dominance of hydropower in the
national energy mix. The Hetauda Diesel Power Plant,
with an installed capacity of 14.41 MW, is located
in Hetauda, Makawanpur. Commissioned in two
phases—with three English units in 1963 and four
Russian units in 1980—its development was supported
by the British Government and the Government of
Nepal. While the plant played a key role in earlier
decades, its operation in recent years has been
minimal, primarily limited to testing purposes. It is
now managed by Kulekhani IIT Hydropower Station.
Since its commissioning, the plant has generated a
cumulative total of 155.53 GWh.

Hetauda Diesel Plant

The Multifuel Power Plant, situated in Bansbari,
Morang, within Nepal's Eastern Industrial Corridor,
boasts an installed capacity of 39 MW. The initial 26
MW capacity was commissioned in the fiscal year
1990/91, followed by an additional 13 MW added
during the fiscal year 1997/98. The plant comprises
six Wartsila diesel engines fueled by furnace oil
(FO). Power generation is facilitated through two
Leroy Somer generators, each rated at 7.5 MVA, and
four Alstom generators, each rated at 8.144 MVA.
Currently, the Multifuel Power Plant operates under
the oversight of Chatara Hydro Power Station.

A comprehensive major overhaul of all six units was
completed in 2013. Since its commissioning, the plant
has successfully generated approximately 593 GWh
of electrical energy, contributing significantly to the
regional power supply.

Multifuel plant

Ss x NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

GENERATION DEVELOPMENT AND
SUPPORT DEPARTMENT

This is a newly formulated Department by NEA
Board by merging two departments namely Genera-
tion Development Department and Technical Support
Department). Its objective is to develop and construct
new power projects and support to various O & M is-
sues of the plant under operation. After Upper Trishu-
li 3A and Kulekhani IIT HPS, however, NEA hasn't
undertaken any new construction project. However,
a number of hydropower projects are under develop-
ment and construction under subsidiary company with
major financing from NEA.

NEA has signed an MOU with the School of Engi-
neering, Kathmandu University for "Green hydrogen
technologies contributing to the domestic economy
with better utilization of hydropower electricity" in
last Fiscal Year. The prime objective of this program

छ बि छन Generation Directorate 20812082 _ gum NEPAL ELECTRICITY AUTHORITY

x Generation Directorate 2081/2082

is to expedite the capacity development of academic
institutions and NEA for better utilization of hydro-
power electricity for the promotion of industrial de-
velopment in Nepal. The present status of the project
seems submission of "Desk Study Report" by KU till
now and further work is under progress.

To ensure reliable and smooth operation of Power
Plants under Generation Directorate, this department
provides technical assistance either by mobilizing
technical persons or providing technical advices/ com-
ments on related files/ works as per needed. Also, the
department deals in reviewing the inception, assess-
ment and final reports of related Power Plants seeking
for Rehabilitation and Modernization.

ELECTROMECHANICAL WORKSHOP
CONSTRUCTION PROJECT

NEA is advancing the establishment of a state-of-the-
art electromechanical workshop under the 'Electro-
mechanical Workshop Construction Project' led by the
Generation Directorate. Designed as a company-mod-
el facility, the workshop will specialize in repairing
and maintaining a wide range of electromechanical
equipment used in NEA powerhouses.

The initial phase focuses on repairing turbines and
components for NEA-owned hydro power stations
(HPSs), fabricating small to medium parts, producing
hydro mechanical components for IPPs and irrigation
projects, and implementing HVOF coating. Long-

term plans include fabricating large hydro mechanical
components, on-site overhauls, material testing, elec-
trical system assessments, and human resource devel-
opment for repair and maintenance.

Progress to date includes completing the detailed
feasibility study, selecting the site at Aanboo Khai-
reni, Tanahun, finalizing structural designs and cost
estimates for the pre-engineered building (PEB), and
initiating the bidding process for construction. Prepa-
ration of technical specifications for machinery is un-
derway, with retendering planned once the budget is
secured.

Planned layout of Machineries for Electromechanical Workshop

Ss क NEPAL ELECTRICITY AUTHORITY
छ" Generation Directorate 2081/2082

HYDROPOWER PLANT AUTOMATION

PROJECT

Many hydropower plants under the Nepal Electricity
Authority (NEA) are facing challenges due to aging
infrastructure and outdated technology. A key issue
is the continued use of conventional relay logic and
electro-mechanical relays, which are now obsolete
and difficult to maintain due to lack of manufacturer
support and spare parts. This has led to increased
system failures, unnecessary tripping, and prolonged
shutdowns in plants such as Kulekhani I, Kulekhani
II, and Marsyanegdi.

Gate control systems in plants like Kulekhani JI,
Marsyangdi, and Kaligandaki 'A' are also outdated,
with many gates requiring manual operation. This not
only slows response time but increases risks during
emergencies, potentially damaging critical structures.

To address these issues, NEA launched the Hydropower

Plant Automation Project in FY 2079/80. The project
aims to replace obsolete equipment with modern
PLC-based control systems and numerical relay-
based protection systems, and to integrate SCADA
and Distributed Control Systems (DCS) for improved
reliability and automation.

In FY 2080/81, the first phase of the Hydropower Plant
Automation Project commenced with the awarding of
a contract for control and protection system upgrades
at Kulekhani I and II. In the current fiscal year,
installation work for the new equipment has officially
begun.

These efforts are vital for enhancing plant reliability,
safety, and operational efficiency across NEA's
hydropower fleet.

EE नि सु ceremony

___ © Generation Directorate 20812082 ना छ NEPAL ELECTRICITY AUTHORITY
' Generation Directorate 2081/2082

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% ENERGY GENERATION CONTRIBUTION: FY 2081/82

GHPS, 0%

PKHPS, 1%

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KL1, 6%
DHPS, 3% }
THPS, 3%
J SJHP+CHPS*PHRS ___ KL3. 1%
) +FHPS 1% _
ENERGY GENERATION PATTERN OF PROR/ROR AND
60.0 STORAGE (GWH): 2081/82 350.0
50.0 300.0
250.0
z 40.0 ङ
5 no 200.08
wi 150.06
र 20.0 ra
Ee 100.0
"
10.0 50.0

Shr Bha Asw Kar Man Pou Mag Fal Cha _ Bai Jes Ash
mmm GEN: STORAGE 144 15.2 31.3 19.0 134 238 117 59 440 49.9 314 19.7
—e— TAR: PROR/ROR 291.0 289.5 288.3 269.1 253.4 208.1 167.1 154.8 181.1 219.2 265.0 276.6
—e@— GEN: PROR/ROR 288.2 248.5 239.1 264.2 243.2 187.3 165.5 140.8 153.0 172.2 246.8 274.0

—— क NEPAL ELECTRICITY AUTHORITY
'~/ Generation Directorate 2081/2082

17 Issue : 2082

TOTAL ANNUAL ENERGY GENERATION OF NEA-OWNED POWER STATIONS IN LAST TEN YEARS

CUMULATIVE GWH

700

600

500

400

300

200

100

35,000
30,000
25,000 2.997
3,242
20,000
2,801
15,000 3,012
2,541
10,000 2,296
2,288
5,000 2,123
2,354
071/72 072/73 073/74 074/75 075/76 076/77 077/78 078/79 079/80
Hydropower development by NEA Subsidiaries (MW)
14.8
का
22.1
सा
2060 2078 2080

2,902

080/81 081/82

2081

as 9) Gencration Directorate 2081/2082,» NEPAL ELECTRICITY AUTHORITY

'% Generation Directorate 2081/2082

17 Issue : 2082

Hydropower development by IPPs (MW)

2500.0
293.022
2000.0
415.
1500.0 433.
1000.0 voll
106.28.8
fu 540.3 हे
500.0 117. =

55.518.5 J
105.00.2 7.5 3.0 3.0 3.0 8.2 3.6 2.0 8.2 45 5.435813. mm

12.0 = लाला
0.0 —
051 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082

AVAILABILITY OF ENERGY —GWh (FY 2081/82)

2%

mIPP mNEA Subsidiary MNEAROR&PROR -«=Import mStorage

——— क NEPAL ELECTRICITY AUTHORITY
छ" Generation Directorate 2081/2082

17" Issue : 2082

System Load Curve (Maximum Demand) Ashadh 17, 2082 (July 1, 2025) Tuesday

Load Dispatch Center
System Load Curve। Annual System PeakLoad 2900.88 MW at 19:40 br।

Ashadh 17, 2082 (July 1, 2025) Tuesday। National 7208 Load 2213,88 भि at 19:40 हा

[रा
TOTAL NEA(STORAGE) की
——{KE~—~~~—_.

TOTAL NEA(ROR+PROR)।

TOTAL NEA(SUBSIDIARIES)

MW

FEEEREFEE ER ER EREEEEEEPE EEE EEE

TOTAL IPP

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—

TOTAL EXPORT

गी

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Hrs
Annual System Peak Load Curve Jestha 27, 2082 (June 10, 2025) Tuesday

Load Dispatch Center
System Load Curve। Annual System PeakLoad 2573.58 MW at 19:40 hr,

Jestha 27, 2082 (June 10, 2025) Tuesday
 Amnual National PeakLoad 2406.58 MW at 19:40 hr

TOTAL NEA(STORAGE)

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TOTAL NEA(SUBSIDIARIES)

TOTAL IPP

FFEFECEEEELEEEEEEEEEEREEEEEEEEE

TOTAL EXPORT

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— छै NEPAL ELECTRICITY AUTHORITY
'<4 Generation Directorate 2081/2082

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"ON २1५०

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"Le tal छ

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Ses 11 HEP during construction

eS) Generation Directorate 20812082 छ NEPAL ELECTRICITY AUTHORITY
5 Generation Directorate 2081/2082

17 Issue : 2082

Tunneling works during construction So Fy। हु. ee कुन १
(Middle Marsyangdi HPS) गी RK wih Ia ° क ar,

— during construction (Middle Marsyangdi HPS)

छे Generation Directorate 20812082 _ gum छे NEPAL ELECTRICITY AUTHORITY

Generation Directorate 2081/2082

17" Issue : 2082

Swtichyard during construction

Generator Foundation works during construction
(Middle Marsyangdi HPS) (Upper Trishuli 3A HEP Project)

Intake gate installation during construction (Upper
Trishuli 3A HEP Project)

EE Tower during construction of Pharping HPS
(currently located at Gorkhapatra Sansthan, Newroad)

eS) Generation Directorate 20812082 $ NEPAL ELECTRICITY AUTHORITY
"& Generation Directorate 2081/2082

Legend:
Existing Under Construction Voltage Level

400kV
220kV
132kV
66kV
33kV

132kV Substation

220kV Substation

Chilime HEP

400kV Substation

- hilime

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NEA's Power Plant ae
& 2 : Bhotekoshi HEPWggy 019०।__।
Trishuli 3A टु ona H al A] 31 km, 250 54 mi uve
8 s 30MVA गा
श्र IPP's Power Plant eco mva F<] YIN : i Garjyang
Samundratar prawn 8 ५
Trighuli 3B HUB Trishuli HEP। Devighat HEP Okhaltar Lamosangu।?
4.56km,150 sq W/O 26.5km, 100 sq mm Gndgra Cable mm
. = 45 km, HTLS 250 sq mm
छा Lapsiphedi 3। Barhabise
: Chapali rl ~~ Indraw i
छ F if YANG EP
Dharapani 3 Chabahil ef 3
5 11km, 250sqmm ae, "5M
z CI।__। Banepa '
Dana nie छ Lainchour Skm, 250sqmm 7km, 250 sqmm 5: drawati
ES :। é Pas। २:। ५ Sunkoshi
Dada Khet . 1.5m, 250sqmm 2 A H
. 10.8 km, HTLS 100 sq mi 11km, 120 sqmm . 7
From Tanakpur ~~। Modi HEP New Modi oT 3. ka, TLS 1004 mm [२००२ 3 : एप
Lower Modi HEP 3।L___। Patan Baneshwor 3 ms
Rahughat i "mn
anchkhal
Chameliya HEP Nalsing Gadh 2 २।
J Pm ७ Fs fa 1
Mahendr. nagar Pave छै Upper = ans i o> 75 km, 2X BISON Tumlingtar
3X30 MVA VAIN a i = MIVA 4 H
i Kusma डै Marsangdi-A H P उल्का। Sitalpati bin i <—____— Pogo Dhungesangu Kabell
छ 4 .।। — . 18 km, Twin Moose ५ ३ नमा
3 id Bafikot ¢। र डु Tingla L_— mm
4 z Jumla az। i
ङ् छ थक Burtibang Pokhara s =।। 11]. EN = 3 soma E Kabeli HEP
2 e लि ब्ख्ड i 2 30 MVA त हे
ड Syaule a।। EA wa ' YN [------------ लि र i : हर्ट
1211) 5 4 Parma] Tage।।।।। Birauta — Mid. 2x30 MV, Matatirtha र ; E
8। arsyangdi HEP SX" HEP . E . डु =
3 Kalikot। 'xs।।। Lekhnath, Yang 0 E Son x 1 HEP नकम z : EN Phiaim
: om adichaur पी त्रि Cement छ eee "> ° YANN 8 Baneshwo [Sew J 4 Basantapur Mai Khola
Pahalmanpur।2 i 8 40 km, 250 ४ त 3 aan g 20 ke, Twin Moo क हट As.
puri 3 Paudi Amrai। 2 ES 3। vN\P HEP
i। 30 MVA g > KL-lll HEP क्त 20 छे छु uwa
30 MVA Dailekh —— Syangj छ 59५८ z € छ 3 8 oy" .
Mva गी a TT Jhimruk HEP ema भि YEN 5 : छ LN .. Mai।। Tamghash 16MVA Rid & ae wa 'Tekm, 250 sq mm /S छै 6 ् नन Godak खाए ascadd
idi 2 oe g 8 :।।। 45km। H Damauli 43 km, HTLS 150 sq mm [6907 Ey Niigadh 2 डु g EX VN
Lamkaswe] Surkhet।। papure।। Sandikharka। [0 hn KG-A HEP Sardi (Hongsi Cement)।।) — #/Marsyangdi HEP mee] Dee पन pose उह Oud Monee 5 'I An छ
1111 1 te6 uve im। न 8। 3 Be
— 30 MVA छ > z। डु . i armani
मनि उ हर >। 3 1। 3 Purbi ™~
I।। 20 km, 250 Ghorahi 3 ry D 8 रछ 34km, 200 sq mm। sqmm Chitawan Ch Damak aesuva — 1x63 MVA
5 3 umkiba। : + F
दो।। i 5 हु : cE] MVA अल, HTLS-250 54 Pathlaiya 20s mm a pa 250 sq Nawalpur 250 9५ 00 Lahan Rupani 7 a il 43 km, 250 sq mm।।
16.6 MVA A sqm im.250 sqm " ST MVE टे। Z।
Bhurigaon।। Kusum शत xewva. aca मयनमा 3००० म [। re उ FB दि tena नि a 5 ॥ निभा Keraun।। 16.6 +8) MYA 1X18.6 MV: 16 MVA 24MVA ee risen tT] Pe MVA ants 30 MVA 5 - . Z। 5 " 2x24 NVA 225 J
I Lamahi Shivapur Motipur Butwal a।  Gaidpkot Ww 1 Pe। 3 Mirchaiya New Anarmani
_। Sunawal। '2zswa a। (New & Old = = zewalKushaha — puhabi
[2X63 MVA in MVA, _~ a
aa तलाउ us co Hetauda) Kamane pig oukhdev iS NW Balganga। 23
Kohalpur ti Bardghat।? phaubadi = os ति chauk 6। a
3) Malnahlya Jaume 3 2 5 pense A ®  Auraha z Sukhipur Bodebarsai
te 2 . = 3 N 6: (2X30 MVA .
rE Hakkui i 3 Meghauli 2m Amlekhgunj a = r Z asuva। Loharpatti ™~ Biratnagar
2 Nepalgunj 3 = =H ¢ Salimpur Nap Multifuel DP
देला Gandak Simra 2X15 MIVA ते त।। Pokhariya tose > औं।। SS . South Corridor From Kataiya। ~ Harniya
mr From Muzzaffarpur
(nda) Sampatiya (India) andak a. P
HEP

2x100 MVA

Bi rg u nj 2X30 MVA

2X30 MVA त

Gorakhpur From Balmikinagar

2.8km, 1200 sqmm
Under ground Cable

From Raxual

INTEGRATED NEPAL POWER SYSTEM

(Existing & Under Construction Transmission Line Projects)

Khimti HEP

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New Khimti

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NEPAL ELECTRICITY AUTHORITY

TRANSMISSION DIRECTORATE

MEDIUM VOLTAGE GRID DEVELOPMENT DEVELOPMENT
(Revised Date: JULY 2025)

POWER DEVELOPMENT MAP OF NEPAL

५ / UNDER CONSTRUCTION TRANSMISSION LINES / SUBSTATIONS
(NOT TO SCALE)

220,132 and 66 kV Network Feeding Kathmandu Valley

FROM DEVIGHAT
FROM TRISHULI
Ww

FROM TRISHUL! 38 HUB \

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उ TINPIPLE
0. Pn छी OKHALTAR
CHAINPUR SETI 210 MW eo
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1060 MW

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BAREILI
UPPER MARSYANDI(50)
1060 MW

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1060 MW

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क

SOLUKHUMU.

TAPLEJUNG

KIMATHANKA

SHIVAPUR MOTIPUR UARUN 1061 MW.

MEGHAULI

TAMOR HUB

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DUDHKOSHI 635 MW:

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1000 MW

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1000 Mw

LEGENDS

EXISTING UNDER-CONST. PLANNED

UDAYAPUR,

Bees 00 MY

400 kV TRANSMISSION LINE

220 kV TRANSMISSION LINE

MUZAFFARPUR

132 kV TRANSMISSION LINE पत्ता,
INDIA
66 kV TRANSMISSION LINE

PURNIA

GRID SUB-STATION

NEPAL ELECTRICITY AUTHORITY

TRANSMISSION DIRECTORATE

MEDIUM VOLTAGE GRID DEVELOPMENT DEPARTMENT
(Revised Date: JULY 2025)

on sara meee ae oe ाकाममित ry ot oe SAS. ० :

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NEPAL ELECTRICITY AUTHORITY

: Generation Directorate
Durbarmarg, Kathmandu। Phone : +01-4153014, 4153070, 4153017

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शार

Fax : +977-1-4153016, 4153071, 4153081। Email: generation@nea.org.np