Thermal Power Stations

Thermal Power Stations

An introduction to each thermal power station's facilities and features is provided here.

Chiba Thermal Power Station

Main Specifications

Maximum output
4.38 million kW

Maximum design thermal efficiency
57.7%

Features

Utilizes high thermal efficiency, excellent flexibility, and environmentally friendly MACC and ACC power generation methods.

Address

2-1377 Soga-cho, Chuo-ku, Chiba, Chiba Pref.

Site area

Approx. 1.01 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Group 1
[Unit 1-1 to Unit 1-4]
2000-4 360,000 × 4 54.2 ACC LNG
Group 2
[Unit 2-1 to Unit 2-4]
2000-6 360,000 × 4 54.2 ACC LNG
Group 3
[Unit 3-1 to Unit 3-3]
2014-7 500,000 × 3 Units 3-1 and 3-2: 57.3
Unit 3-3: 57.7
MACC LNG

Goi Thermal Power Station

Main Specifications

Maximum output
- million kW

Maximum design thermal efficiency
-%

Features

Decommissioned

Address

1 Goi Kaigan, Ichihara, Chiba Pref.

Site area

Approx. 0.4 million m²

Anegasaki Thermal Power Station

Main Specifications

Maximum output
3.60 million kW

Maximum design thermal efficiency
42.7%

Features

Can use variety of fuels (LNG, LPG, heavy oil, crude oil, etc.)
Has role as output-adjusting thermal power station

Address

3 Anegasaki Kaigan, Ichihara, Chiba Pref.

Site area

Approx. 0.93 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1967-12 600,000 42.7 Steam power Heavy oil, crude oil, LNG, NGL
Unit 2 1969-11 600,000 42.7 Steam power Heavy oil, crude oil, LNG, NGL
Unit 3 1971-6 600,000 42.7 Steam power Heavy oil, crude oil, LNG, NGL
Unit 4 1972-9 600,000 42.7 Steam power Heavy oil, crude oil, LNG, NGL
Unit 5 1977-4 600,000 43.0 Steam power LNG, LPG
Unit 6 1979-10 600,000 43.0 Steam power LNG, LPG

Sodegaura Thermal Power Station

Main Specifications

Maximum output
3.60 million kW

Maximum design thermal efficiency
43.5%

Features

Possesses LNG terminal jointly with Tokyo Gas
Supplies gas through gas pipelines to the Anegasaki and Goi Thermal Power Stations and to other companies.

Address

2-1 Nakasode, Sodegaura, Chiba Pref.

Site area

Approx. 1.12 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1974-8 600,000 43.0 Steam power LNG
Unit 2 1975-9 1,000,000 43.5 Steam power LNG
Unit 3 1977-2 1,000,000 43.5 Steam power LNG
Unit 4 1979-8 1,000,000 43.5 Steam power LNG

Futtsu Thermal Power Station

Main Specifications

Maximum output
5.16 million kW

Maximum design thermal efficiency
58.6%

Features

Has full lineup that includes CC, ACC, MACC, and combined-cycle power generation.
Has LNG terminal and supplies gas to power stations in Chiba Prefecture.

Address

25 Shintomi, Futtsu, Chiba Pref.

Site area

Approx. 1.16 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Group 1
[Unit 1-1 to Unit 1-7]
1986-11 167,000 × 3 ,
165,000 × 4
51.4 CC LNG
Group 2
[Unit 2-1 to Unit 2-7]
1988-11 165,000 × 3 ,
160,000 × 4
54.3 CC , ACC LNG
Group 3
[Unit 3-1 to Unit 3-4]
2003-11 380,000 × 4 55.3 ACC LNG
Group 4
[Unit 4-1 to Unit 4-3]
2010-10 507,000 × 3 58.6 MACC LNG

Yokosuka Thermal Power Station

Main Specifications

Maximum output
- million kW

Maximum design thermal efficiency
-%

Features

Decommissioned

Address

9-2-1 Kurihama, Yokosuka, Kanagawa Pref.

Site area

Approx. 0.82 million m²

Kawasaki Thermal Power Station

Main Specifications

Maximum output
3.42 million kW

Maximum design thermal efficiency
61%

Features

Utilizes one of the world's largest MACC power generation systems. Supplies steam to nearby facilities through Kawasaki Steam Net, contributing to CO2 reduction.

Address

5-1 Chidori-cho, Kawasaki-ku, Kawasaki, Kanagawa Pref.

Site area

Approx. 0.28 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Group 1
[Unit 1-1 to Unit 1-3]
2009-2 500,000 × 3 58.6 MACC LNG
Group 2
[Unit 2-1]
2013-2 500,000 58.6 MACC LNG
Group 3
[Unit 2-2]
2016-1 710,000 61 MACC II LNG
Group 4
[Unit 2-3]
2016-6 710,000 61 MACC II LNG

Yokohama Thermal Power Station

Main Specifications

Maximum output
3.541 million kW

Maximum design thermal efficiency
55.8%

Features

Added Units 7 and 8, which use ACC power generation system.
Symbolized by 200-meter-high stack.
Units 1 to 4: Decommissioned. Units 5 and 6: Long-term plans are currently suspended.

Address

11-1 Daikoku-cho, Tsurumi-ku, Yokohama, Kanagawa Pref.

Site area

Approx. 0.45 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 5 1964-3 175,000 41.6 Steam power LNG, heavy oil, crude oil, NGL
Unit 6 1968-6 350,000 42.2 Steam power LNG, heavy oil, crude oil, NGL
Group 7
[Unit 7-1 to Unit 7-4]
1998-1 377,000 × 4 55.8 ACC LNG
Group 8
[Unit 8-1 to Unit 8-4]
1998-1 377,000 × 4 55.8 ACC LNG

Minami-Yokohama Thermal Power Station

Main Specifications

Maximum output
1.15 million kW

Maximum design thermal efficiency
42.4%

Features

World's first LNG single fuel firing thermal power station.
Possesses LNG terminal jointly with Tokyo Gas

Address

37-1 Shin Isogo-cho, Isogo-ku, Yokohama, Kanagawa Pref.

Site area

Approx. 0.17 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1970-5 350,000 42.4 Steam power LNG
Unit 2 1970-4 350,000 42.4 Steam power LNG
Unit 3 1973-5 350,000 42.4 Steam power LNG

Higashi-Ohgishima Thermal Power Station

Main Specifications

Maximum output
2 million kW

Maximum design thermal efficiency
44.7%

Features

Contains our first LNG terminal and supplies fuel to adjacent Kawasaki and Yokohama Thermal Power Stations.
Also supplies gas to other companies.

Address

3 Higashi-Ohgishima, Kawasaki-ku, Kawasaki, Kanagawa Pref.

Site area

Approx. 0.45 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1987-9 1,000,000 44.6 Steam power LNG
Unit 2 1991-3 1,000,000 44.7 Steam power LNG

Kashima Thermal Power Station

Main Specifications

Maximum output
5.66 million kW

Maximum design thermal efficiency
57.2%

Features

World's top-class large-capacity thermal power station (No. 1 output in Japan).
Uses mix of oil-fired power generation that supports supply-demand adjustment mechanism and highly efficient ACC power generation.
Units 1 to 4: Long-term plans are currently suspended.

Address

9 Towada, Kamisu, Ibaraki Pref.

Site area

Approx. 0.97 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1971-3 600,000 42.7 Steam power Heavy oil, crude oil
Unit 2 1971-9 600,000 42.7 Steam power Heavy oil, crude oil
Unit 3 1972-2 600,000 42.7 Steam power Heavy oil, crude oil
Unit 4 1972-4 600,000 42.7 Steam power Heavy oil, crude oil
Unit 5 1974-9 1,000,000 43.2 Steam power Heavy oil, crude oil
Unit 6 1975-6 1,000,000 43.2 Steam power Heavy oil, crude oil
Group 7
[Unit 7-1 to Unit 7-3]
2014-6 420,000 × 3 Approx. 57.0 ACC City gas

Oi Thermal Power Station

Main Specifications

Maximum output
1.05 million kW

Maximum design thermal efficiency
42.2%

Features

Units 1 to 3: Long-term plans are currently suspended.

Address

1-2-2 Yashio, Shinagawa-ku, Tokyo

Site area

Approx. 0.19 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1971-8 350,000 42.2 Steam power Crude oil
Unit 2 1972-2 350,000 42.2 Steam power Crude oil
Unit 3 1973-12 350,000 42.2 Steam power Crude oil

Shinagawa Thermal Power Station

Main Specifications

Maximum output
1.14 million kW

Maximum design thermal efficiency
55.3%

Features

Provides ACC power generation with high thermal efficiency and excellent flexibility. Flexibly adapts to load fluctuations in city.

Address

5-6-22 Higashi-Shinagawa, Shinagawa-ku, Tokyo

Site area

Approx. 0.1 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Group 1
[Unit 1-1 to Unit 1-3]
2003-8 380,000 × 3 55.3 ACC City gas

Hirono Thermal Power Station

Main Specifications

Maximum output
4.40 million kW

Maximum design thermal efficiency
45.2%

Features

The only TEPCO Fuel & Power thermal power station located outside the service area. Uses multiple types of fuel, including oil and coal.
Unit 1: Long-term plans are currently suspended.

Address

58 Aza Futatsunuma, Oaza Shimokitaba, Hirono-machi, Futaba-gun, Fukushima Pref.

Site area

Approx. 1.33 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 1980-4 600,000 43.1 Steam power Heavy oil, crude oil
Unit 2 1980-7 600,000 43.1 Steam power Heavy oil, crude oil
Unit 3 1989-6 600,000 44.3 Steam power Heavy oil, crude oil
Unit 4 1993-1 1,000,000 44.2 Steam power Heavy oil, crude oil
Unit 5 2004-7 600,000 45.2 Steam power Coal
Unit 6 2013-12 600,000 45.2 Steam power Coal

Hitachinaka Thermal Power Station

Main Specifications

Maximum output
2 million kW

Maximum design thermal efficiency
45.2%

Features

This baseload coal-fired power station operates at high utilization rate and is eco-friendly, utilizing SOx and NOx removal systems and electrostatic precipitator.

Address

768-23 Terunuma, Tokaimura, Naka-gun, Ibaraki Pref.

Site area

Approx. 1.41 million m²

Operation start date Single unit capacity (kW) Design thermal efficiency (%)(LHV) Power generation type Fuel
Unit 1 2003-12 1,000,000 45.2 Steam power Coal
Unit 2 2013-12 1,000,000 45.2 Steam power Coal

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