Lok Sabha Question No. 4273 (UNSTARRED), answered on 2020-03-19
Subject: Power Projects in Tamil Nadu
Ministry: POWER
Asked by: S. Gnanathiraviam

## GOVERNMENT OF INDIA MINISTRY OF POWER

## LOK SABHA UNSTARRED QUESTION NO.4273 TO BE ANSWERED ON 19.03.2020

## POWER PROJECTS IN TAMIL NADU

4273. SHRI GNANATHIRAVIAM S.:

Will the Minister of POWER be pleased to state:

(a) the details of the power projects along with their capacities undertaken by the Government in Tamil Nadu;

(b) the status of the proposed Green Power Corridors in Tamil Nadu; and

(c) the status and implementation of the inter-State transmission scheme in Tamil Nadu?

## A N S W E R

THE  MINISTER  OF  STATE  (INDEPENDENT  CHARGE)  FOR  POWER,  NEW  & RENEWABLE ENERGY AND THE MINISTER OF STATE FOR SKILL DEVELOPMENT & ENTREPRENEURSHIP

( SHRI  R.K. SINGH)

(a) : Presently,  power  projects  with  a  total  capacity  of  11385  MW  are under  construction  in  the  state  of  Tamil  Nadu.    The  details  of  the  same  are given at Annexure-I.

(b) : The status of existing/under implementation Green Energy Corridors (GEC) projects for Transmission Lines and Substations in Tamil Nadu are given at Annexure-II and Annexure-III respectively.  Further, to achieve the target of integration of 175 GW Renewable Energy (RE) capacity by 2020-22, a potential RE  capacity  of  3  GW  has  been  identified  in  Tamil  Nadu.  For  evacuation  of identified potential RE Power from Tamil Nadu, transmission schemes as under have been identified:

- (i) Karur Wind Energy Zone (WEZ):
-  Establishment of 2500MVA, 400/230Kv Karur Pooling Station
-  LILO of Pugalur - Pugalur HVDC kVD/C (Quad) line at Karur Pooling Station.

………….2.

- (ii) Tuticorin/ Tirunelveli Wind Energy Zone (WEZ):
-  Augmentation of 500MVA, 400/230 kv ICT at Tuticorin-II substation.
-  Upgradation  of  Tuticorin-  Dharampuri  (Salem  New)  -  MadhugiriNarendra    765kV  transmission  corridor  (presently  operating  at 400kV its rated voltage level.

In  addition,  Kadaladi-Kamudhi  400kV  intra-state  DC  transmission line  has  been  approved  in  Tamil  Nadu  by  the  Standing  Committee  on  Power System Planning Southern Region.

- (c) : The status of Inter-State Transmission Schemes under implementation in Tamil Nadu is given at Annexure-IV.

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ANNEXURE-I ANNEXURE REFERRED TO IN REPLY TO PART (a) OF UNSTARRED QUESTION NO.

4273 TO BE ANSWERED IN THE LOK SABHA ON 19.03.2020. *************** List of Under Construction Power Projects in Tamil Nadu

| Sl. No.        | Project Name                              | Fuel    | Unit No    | Capacity (MW)   |
|----------------|-------------------------------------------|---------|------------|-----------------|
| CENTRAL SECTOR | CENTRAL SECTOR                            |         |            |                 |
| 1              | Neyveli New TPP                           | Thermal | U-2        | 500             |
| 2              | PFBR (Kalpakakam) / Bhavini               | Nuclear | U-1        | 500             |
| 3              | Kudankulam Nuclear Power Project          | Nuclear | U-3 to U-5 | 3000            |
| STATE SECTOR   | STATE SECTOR                              |         |            |                 |
| 1              | Ennore exp. SCTPP                         | Thermal | U-1        | 660             |
| 2              | Ennore SCTPP                              | Thermal | U-1        | 660             |
| 3              | Ennore SCTPP                              | Thermal | U-2        | 660             |
| 4              | North Chennai TPP St-III                  | Thermal | U-1        | 800             |
| 5              | Uppur SCTPP                               | Thermal | U-1        | 800             |
| 6              | Uppur SCTPP                               | Thermal | U-2        | 800             |
| 7              | Udangudi STPP Stage I                     | Thermal | U-1        | 660             |
| 8              | Udangudi STPP Stage I                     | Thermal | U-2        | 660             |
| 9              | Kundah Pumped Storage (phase-I, II & III) | Hydro   | U-1 to U-4 | 500             |
| PRIVATE SECTOR | PRIVATE SECTOR                            |         |            |                 |
| 1              | Tuticorin TPP St-IV                       | Thermal | U-1        | 525             |
| 2              | Tuticorin STPS                            | Thermal | U-1        | 660             |

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## Green Energy Corridor  - I

| Sl No                          | Name of Transmission Lines                                 | Executing Agency               | Ckts [Single Circuit (S/C) & Double Circuit (D/C)]   | Voltage Level (kV)             | Total Length (cKm)             | Progress Status of Transmission lines as on 29.02.2020   | Progress Status of Transmission lines as on 29.02.2020   | Progress Status of Transmission lines as on 29.02.2020   | Progress Status of Transmission lines as on 29.02.2020   | Target Date                    | Target Date                    | Remarks                        |
|--------------------------------|------------------------------------------------------------|--------------------------------|------------------------------------------------------|--------------------------------|--------------------------------|----------------------------------------------------------|----------------------------------------------------------|----------------------------------------------------------|----------------------------------------------------------|--------------------------------|--------------------------------|--------------------------------|
| Sl No                          | Name of Transmission Lines                                 | Executing Agency               | Ckts [Single Circuit (S/C) & Double Circuit (D/C)]   | Voltage Level (kV)             | Total Length (cKm)             | Total Locations (Nos)                                    | Foundation completed (Nos)                               | Tower Erected (Nos)                                      | Stringing completed (CKm)                                | Schedule                       | Revised/ Anticipated           | Remarks                        |
| 1                              | Kayathar - Thennampatty                                    | TANTRANSCO                     | D/C                                                  | 400                            | 48                             | 76                                                       | 76                                                       | 76                                                       | 48                                                       | Jul-18                         | May-19                         | Commissioned 05/2019.          |
| 2                              | Arasur (PGCIL) - Gobi S/S                                  | TANTRANSCO                     | S/C                                                  | 230                            | 48                             | 192                                                      | 192                                                      | 192                                                      | 48                                                       | Sep-16                         | May-18                         | Commissioned 31/12/2018        |
| 3                              | Kayathar - Tuticorin S/S                                   | TANTRANSCO                     | D/C                                                  | 230                            | 113                            | 230                                                      | 230                                                      | 230                                                      | 113                                                      | DEC-16                         | Jul-18                         | Commissioned 20.8.2018         |
| 4                              | Veeranam - Kodikurichi                                     | TANTRANSCO                     | S/C                                                  | 220                            | 24                             | 86                                                       | 86                                                       | 86                                                       | 24                                                       | SEP-16                         | Mar-18                         | Commissioned 20.02.2018        |
| 5                              | Veeranam - Tirunelveli                                     | TANTRANSCO                     | S/C on D/C                                           | 230                            | 31                             | 11                                                       | 11                                                       | 11                                                       | 31                                                       | Sep-16                         | Dec-17                         | Commissioned 22.12.2017        |
| 6                              | Cuddalore - Veerapuram (SP Koil) Via Neyveli.              | TANTRANSCO                     | D/C                                                  | 230                            | 348                            | 706                                                      | 699                                                      | 699                                                      | 339                                                      | SEP-16                         | Mar-20                         | Under construction             |
| 7                              | Ingur - Arasur (PGCIL)                                     | TANTRANSCO                     | S/C                                                  | 230                            | 54                             | 228                                                      | 226                                                      | 218                                                      | 32                                                       | SEP-16                         | Mar-20                         | Under construction             |
| 8                              | Rasipalayam - Dharmapuri (Palavadi)                        | TANTRANSCO                     | D/C                                                  | 400                            | 390                            | 564                                                      | 560                                                      | 554                                                      | 250                                                      | Jun-17                         | Dec-20                         | Under construction             |
| Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS                             | Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS                       | Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS                           | Green Energy Corridor - I ISTS                           | Green Energy Corridor - I ISTS                           | Green Energy Corridor - I ISTS                           | Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS | Green Energy Corridor - I ISTS |
| 1                              | Tirunelveli PS/Tuticorin - II - Tuitcorin PS (Quad) line-1 | PGCIL                          | D/C                                                  | 400                            | 24                             | 33                                                       | 33                                                       | 33                                                       | 24                                                       | APR-17                         | Mar-18                         | Commissioned 03/2018           |
| 2                              | Tirunelveli PS/Tuticorin - II - Tuitcorin PS (Quad) line-2 | PGCIL                          | D/C                                                  | 400                            | 24                             | 34                                                       | 34                                                       | 34                                                       | 24                                                       | APR-17                         | Mar-18                         | Commissioned 03/2018           |

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## ANNEXURE-II

## ANNEXURE REFERRED TO IN REPLY TO PART (b) OF UNSTARRED QUESTION NO. 4273 TO BE ANSWERED IN THE LOK SABHA ON 19.03.2020.

***************

## Status of existing/under implementation GEC projects in Tamil Nadu (Transmission Lines)

GEC - I - ISTS

| Sl         | Name of                                           | Executing   | Voltage Ratio   | Capacity     | Progress of substation   | Progress of substation    | Progress of substation              | Progress of substation             | Target Date   | Target Date          | Remarks                                           |
|------------|---------------------------------------------------|-------------|-----------------|--------------|--------------------------|---------------------------|-------------------------------------|------------------------------------|---------------|----------------------|---------------------------------------------------|
| No         | Sub Stations                                      | Agency      | (kV/kV)         | (No.x MVA)   | Land Acquired (%)        | Civil works completed (%) | Materials / Equipments Received (%) | Materials / Equipments erected (%) | Original      | Revised/ Anticipated |                                                   |
| 1          | Tirunelveli Pooling Station (GIS)/ Tuticorin - II | PGCIL       | 400/230         | 2x500        | 100                      | 100                       | 100                                 | 100                                | MAR-18        | Jun-18               | Commissioned 06/18                                |
| Intrastate | Intrastate                                        | Intrastate  | Intrastate      | Intrastate   | Intrastate               | Intrastate                | Intrastate                          | Intrastate                         | Intrastate    | Intrastate           | Intrastate                                        |
| 1          | Thennampatty                                      | TANTRANSCO  | 400/230/110     | 2x315+2x2 00 | 100                      | 100                       | 100                                 | 100                                | Jul-17        |                      | commissioned on 05.11.2019.                       |
| 2          | Sembatty (Aug.)                                   | TANTRANSCO  | 230/110         | 3 X 160      | Existing SS              | 100                       | 100                                 | 100                                | Feb-17        |                      | commissioned on 07.07.2018,04.12.2018,22.02.2019  |
| 3          | Anupankulam (Aug.)                                | TANTRANSCO  | 230/110         | 3 X 160      | Existing SS              | 100                       | 100                                 | 100                                | Feb-17        |                      | commissioned on 23.02.2018,11.10.2018,25.10.2019  |
| 4          | Pudukottai (Aug.)                                 | TANTRANSCO  | 230/110         | 3 X 160      | Existing SS              | 100                       | 100                                 | 100                                | Feb-17        |                      | commissioned on 25.02.2018,19.07.2018, 05.01.2019 |
| 5          | Cuddalore (Aug.)                                  | TANTRANSCO  | 230/110         | 3 X 160      | Existing SS              | 45                        | 40                                  | 40                                 | Feb-17        | Dec-20               | Under Construction                                |
| 6          | Tiruvannamalai (Aug.)                             | TANTRANSCO  | 230/110         | 3 X 160      | Existing SS              | 100                       | 90                                  | 90                                 | Feb-17        | Dec'20               | 2 units commissioned on 14.08.2018 & 06.03.2019   |
| 7          | Villupuram (Aug.)                                 | TANTRANSCO  | 230/110         | 2 X 160      | Existing SS              | 50                        | 50                                  | 50                                 | Feb-17        | June'20              | 1 unit commissioned on 27.09.2019                 |

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ANNEXURE-III

## ANNEXURE REFERRED TO IN REPLY TO PART (b) OF UNSTARRED QUESTION NO. 4273 TO BE ANSWERED IN THE LOK SABHA ON   19.03.2020. ***************

## Status of existing/under implemantation GEC projects in Tamil Nadu (Substations)

## ANNEXURE-IV

ANNEXURE REFERRED TO IN REPLY TO PART (c) OF UNSTARRED QUESTION NO. 4273 TO BE ANSWERED IN THE LOK SABHA ON 19.03.2020.

***************

## DETAILS OF THE INTER STATE TRANSMISSION SCHEMES UNDER IMPLEMENTATION IN TAMIL NADU

1. ±800kV  Raigarh-Pugalur  6000  MW  HVDC  System  (Expected  Commissioning-  Bipole-I (March, 2020) & Bipole-II (May, 2020))
- a. ±800kV  Raigarh & Pugalur HVDC Stn
- b. ± 800 kV Raigarh  - Pugalur  HVDC Bipole link - 3676 ckm
2. 400kV AC System Strengthening at Pugalur end (Expected CommissioningProgressively from March, 2020 to June, 2020)
- a. Pugalur HVDC - Pugalur  400kV (quad) D/c line - 58 km- (March, 2020)
- b. Pugalur HVDC - Arasur 400kV (quad) D/c line - 60 ckm (March, 2020)
- c. Pugalur HVDC - Thiruvalam 400kV (quad) D/c line - 390 km (June, 2020)
- d. Pugalur HVDC - Edayarpalayam 400kV (quad) D/c line - 57 km (June, 2020)
- e. Edayarpalayam - Udumalpet 400kV (quad) D/c line - 54 km (June, 2020)
3. ±320kV, PugalurTrichur 2000 MW VSC Based HVDC System (Expected Commissioning- 1 st  Monopole - May, 2020 & 2 nd  Monopole- June, 2020)
- a. ±320kV, VSC based HVDC terminal at Pugalur & Trichur
- b. VSC based HVDC link between Pugalur and North Trichur (Kerala). - 250 km
4. Transmission  System  for  LTA  of  314  MW  for  2x500  MW  Neyveli  Lignite  Corporation Limited  TS-1  (Replacement)  (NNTPS)  in  Neyveli  (Expected  Commissioning  -  March, 2020)
- a. NNTPS switchyard  - Ariyalur (Villupuram) 400 kV D/c line - 74km

## ****************