KYUDEN GROUP INTEGRATED REPORT 2023

Table ofContents

1 Overview of the Kyuden Group

2 Value Creation Story

3 Strategy and Performance

4 Creating Value through Business

5 A Foundation for Creating Value

6 Data Section

04

Business Snapshot of the Kyuden Group

Business Snapshot of the Kyuden Group(Data for which no date is specified are actual results for FY2022)

Operatingrevenues (Total)
trillion yen

Power generation& sales
1,299.7

Operating revenues by business(billions of yen)

2.2

Renewable energy

29

Includes elimination of inter-segment
transactions of -207.8 billion yen

Overseas

6.2Power generation& sales
120

ICT

119.4

Urban development

25

Other

254.9

Investments by business(billions of yen)

Investments (Total)billion yen

333

Includes elimination of inter-segment
transactions of -6 billion yen

Transmission &distribution
121

Renewable energy

36

Overseas

2

ICT

31

Urban development

17

Other

11

Note: FY2022 results. In addition, the breakdowns and totals may not match due to rounding

Power Generation & Sales

Transmission & Distribution

P27

P29

Deliver a stable supply of energy generated at power plants to ourcustomers. Work to reduce power outage incidents and improve thequality of our electricity through efficient facility formation and proper
maintenance, as well as expanding the adoption of renewable energy.

Work on achieving the optimal energy mix from the viewpoint of S + 3E.
Accelerate efforts to position renewable energy as a main power source
and use nuclear power to its full potential toward achieving carbon
negativity as soon as possible, along with offering rate plans based on
customer needs.

Transmission lines: 11,223 km
Distribution lines: 144,198 km
Interconnected renewable energy: 15,820 MW
Substations: 653 locations
Power outages frequency: 0.15 times/household
Power outages duration: 115 mins/household(when excluding typhoons and other disasters
frequency is 0.04 times and duration is 3 mins per household)

Elec. generated and received: 100.8 billion kWh
Electric power sales: 96.0 billion kWh
Number of customers: 7.84 million
Generation capacity: 15,980 MW
Power generation facilities: 153 locations

Renewable Energy Business

Growth Businesses (excl. domestic electricity business)

Transmission &distribution
708.9

Domestic Electricity BusinessIn addition to the Domestic Electricity Business, the Kyuden Group has been promoting growthbusinesses as a united Group, including the renewable energy, overseas, ICT service, andurban development businesses.

Overseas Business

P31

P33

Expand our capacity to provide a one-stop solution for the development,
management, and sale of five sources of renewable energy with Kyuden
Mirai Energy at the center. Promote the development of renewable energy
both domestically and overseas, including geothermal and hydro, which
are our strengths, and offshore wind power, which has great future
potential.

Expand our energy-related businesses globally by leveraging knowledge
and expertise accumulated through our Domestic Electricity Business.
With Kyuden International at the center, promote the further expansion ofareas and business domains with an eye on future market expansion.

Renewable energy developed: 2,610 MW
Installed capacity geothermal: 220 MW(approx. 40% of the entire country)

Overseas equity output: 2,840 MW
Overseas development areas: 15 countries/regions
Refer to P05

ICT Service Business

Urban Development Business

P35

P37

Offer ICT services by making use of technologies accumulated throughoperating and maintaining highly reliable telecommunications networks
and information communication systems to support a stable power
supply. Promote initiatives to support the increase in demand associety digitalizes increasingly.

Expand the urban development, real estate, and social infrastructurebusinesses by leveraging knowledge and expertise accumulated throughour business activities to date, including in the energy, real estatedevelopment, PFI, and ICT sectors. Promote initiatives while leveraging
synergy with the electricity business.

Optical internet service (BBIQ): 476,000 lines
・Awarded 1st place for 7 consecutive years byJ.D. Power customer satisfaction survey(Kyushu area)
・14% share in Kyushu
Optical fiber cables: 131,562 km
Data center rack capacity: 2,500 racks

Main projects
・Shopping Park LaLaport Fukuoka opened in April 2022
・Kumamoto Airport privatization: new passenger terminalbuilding opened for public use in March 2023
・Development of ESG-friendly rental housing in the U.S.
(joined in May 2022)
・Logistics distribution facility project in Kasuya, Fukuoka(operations scheduled to begin in August 2024)

Other
Expand businesses that contribute to the stable supply of power, including the design, construction, maintenance, repair, and operation of various plants,
along with businesses that respond to various energy-related needs, such as gas and LNG sales businesses. Moreover, work on businesses that support
the lifestyles and economic activities of customers, including paid elderly nursing homes, outsourced administrative services, and temporary staffingbusinesses.

Table ofContents

KYUDEN GROUP INTEGRATED REPORT 2023

1 Overview of the Kyuden Group

2 Value Creation Story

3 Strategy and Performance

4 Creating Value through Business

5 A Foundation for Creating Value

6 Data Section05

Business Snapshot of the Kyuden Group

With our aim of “Kyuden Group: Creating the future, starting from Kyushu,” we are continually taking on the challenge of developing our business areas across Kyushu, Japan, and the world.
Power supply facilities in Japan (Kyushu area)(As of March 31, 2023)

Overseas development areas

Power generation facilities
Tsushima

Kyushumain island 139 locations

Hydroelectric power■ Sasuna 5,100

6 locations

3,589 MW4 MW
8,035 MW214 MW

28 locations

363 MW

2 locations
1 location

4,140 MW
0.3 MW(including pumped storage) Surrounding 5 locationsTo The Chugokuislands
Shin-Kokura Electric Power Co., Inc. Thermal power
6 locations

Toyotama ■50,000Ashibe 15,000

1,200,000

Geothermal power(including binary)■■ Oronoshima 330
Iki ■Shin-Iki 24,000

Genkai NPS
2,360,000
Matsuura
1,700,000

Karita 360,000
Buzen 500,000
Yanagimata
63,800
Takigami 27,500

Internal combustion(including gas turbines)

Nuclear power
Wind power( Kyushu T&D )Total Kyushu EP and

187 locations 16,345 MW

BahrainUzbekistan

TaiwanU.S.

U.S.

Syrdarya (gas)Total output: Approx. 1,600 MW
Equity output: Approx. 230 MW

Hsin Tao (gas)Total output: 600 MW
Equity output: 199 MW

Westmoreland (gas)Total output: 940 MW
Equity output: 118 MW

Kleen Energy (gas)Total output: 620 MW
Equity output: 126 MW

Cape Verde

China

Introduction of a hybrid
power system

Inner Mongolia (wind)
Total output: 50 MW
Equity output: 15 MW

Otake▲14,500
Shin-Oita
2,875,000
Matsubara ▲50,600 Hatchoubaru 110,000
Hatchoubaru Binary 2,000■

Shin-Arikawa
60,000Iwayado52,000Reihoku
1,400,000

Ohira 500,000

U.S.
South Field Energy (gas)Total output: 1,182 MW
Equity output: 214 MWPowerSource Group
Microgrid project

Philippines

Kamishiiba
93,200Omarugawa 1,200,000▲ Ogiri 30,000

Philippines

Tsukabaru 67,050
Morotsuka 50,000

PetroGreen EnergyCorporation
Total output: 80 MW
Equity output: 20 MW

China

Uzbekistan

Hitotsuse 180,000
Koshikishima 250
Koshikijima Daiichi ■13,250Sendai NPS
1,780,000

Consulting (last 1-2 years)

Al Dur 1 (gas)Total output: Approx. 1,234 MW
Equity output: Approx. 244 MW▲Tenzan
600,000

IPPs investment projects (as of the end of FY2022)

Egypt

Oyodogawa Daini
71,300Marshall Islands

UAEBahrain

Oyodogawa Daiichi 55,500

Kuchinoshima 220■Tairajima ■190

Support for constructing
solar power systems

Thailand Vietnam

Cape Verde■ Nakanoshima 300

Singapore
Indonesia

Kenya■ Suwanosejima 220

U.S.

Phillippines

Cuba
MexicoMarshall Islands▲ Yamagawa 30,000

Kuroshima 320■

Legend■Akusekijima 190

Takeshima 190■■ Kuchierabujima

300
Hydroelectric power
station (over 50,000 kW)
Yakushima
Pumped-storage powerstation
Thermal power station

16,500
Tanegashima

24,000

Geothermal power station■

Internal combustion powerstation
Wind power station
Major substations andswitching stations
500 kV transmission lines
220 kV transmission lines

UAE■Takarajima ■300
Tatsugo 60,000■
Naze 21,000 ■Subsea direct current
transmission
Kikaijima■ Shin-Kikai 11,700

Amamioshima

Kyushu T&D(Listed in blue)■ Shin-Tokunoshima 21,000■ Kametsu 7,500
Tokunoshima
Okinoerabujima
Amami Islands
Shin-China 22,500 ■Other companies’ facilities
Notes: 1. Numerical values indicate output in kW
2. Includes Kyushu T&D facilities

VietnamTokara Islands

Kodakarajima 150■ Shin-Tanegashima

Nuclear power station▲■■ Tanegashima Daiichi

Ioujima 300

Yorontou
Shin-Yoron 6,700 ■■ Yoron 2,210

Phu My III (gas)Total output: 744 MW
Equity output: 199 MW

Egypt

UAE

Thailand・Upgrades to thermal power
plant equipment
・Support for constructing solar
power systems

Taweelah B (gas)Total output: 2,000 MW
Equity output: 120 MW

EGCO
Total output: 6,200 MW
Equity output: 380 MW

Kenya
・Study on introducing IoT technology at geothermal
power plants
・Strengthening of geothermal power plant
operation and maintenance capacities
・Strengthening of power grid technology capacities

Cuba

U.S.

・Power supply improvement plan・Electricity master plan・Battery storage training

Birdsboro (gas)Total output: 488 MW
Equity output: 41 MW

Indonesia

Singapore

MexicoSarulla (geothermal)
Total output: 330 MW
Equity output: 83 MW

Senoko Energy (gas)Total output: 2,382 MW
Equity output: 357 MW

Tuxpan II & V (gas)Total output: 495 MW × 2
Equity output: 248 MW × 2

U.S.
Persistent Energy Capital LLC

・First business participation in Africa・Contributing to supplying power to regions
without electricity