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Shikoku Electric Power Company, Incorporated
四国電力株式会社
1951-05-01
9507
TYO
Japan
Power Generation & Energy
Renewable Energy
Electric Power Sales
Electricity Supply
Electric Utility Business
760-8573, Takamatsu City, Kagawa Prefecture, Marunouchi 2-5
Yoshihiro Miyamoto
145,500,000,000 　(1,455 100 million)
2,121 people
2,111 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
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株式会社ケーブルメディア四国(CMS)
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株式会社伊予産業
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Aitosa株式会社
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おもてなしプランニング
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オレンジライフ
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テクノ・サクセス株式会社
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ピカラモバイル
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ピカラ光ねっと
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メディアワークス
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ライフケア
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合同会社四国まちづくり&
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58 entries
DateDescription
1951-05 1951年 : 5月 : 四国電力株式会社創立
1951-05-01 Established on May 1, 1951 (Showa 26)
1951-05 四国電力株式会社創立
1963-07 July 1963: The start of operation of our first heavy oil-fired power plant, Anan Power Plant Unit 1, with a capacity of 125,000 kW
1963-07 Start of operation of our first heavy oil thermal power plant, Anan Power Plant Unit 1, 125,000 kW
1965-11 November 1965: The start of operation of Saijo Power Plant Unit 1, with a capacity of 156,000 kW (marking the point where thermal power generation surpasses hydroelectric power in maximum authorized output from fiscal 1965)
1965-11 Start of operation of Saijo Power Plant Unit 1, 156,000 kW (with a maximum authorized output exceeding water power since fiscal year 1965)
1971-07 July 1971: The start of operation of Sakaide Power Plant Unit 1, adopting Japan's first combined power generation system (gas turbine and steam turbine), with a capacity of 195,000 kW
1971-07 Japan's first combined power generation system (gas turbine and steam turbine) at Sakaide Power Plant Unit 1, 195,000 kW, start of operation
1973-04 April 1973: The start of operation of Sakaide Power Plant Unit 3, with a capacity of 450,000 kW
1973-04 Start of operation of Sakaide Power Plant Unit 3, 450,000 kW
1973-10 October 1973: The occurrence of the first oil shock
1973-10 Occurrence of the first oil shock
1977-09 September 1977: The start of operation of our first nuclear power plant, Ikata Power Plant Unit 1, with a capacity of 566,000 kW
1977-09 Start of operation of our first nuclear power plant, Ikata Power Plant Unit 1, 566,000 kW
1979 1979: The occurrence of the second oil shock
1979 Occurrence of the second oil shock
1982-03 March 1982: The start of operation of Ikata Power Plant Unit 2, with a capacity of 566,000 kW
1982-03 Start of operation of Ikata Power Plant Unit 2, 566,000 kW
1982-06 June 1982: The start of operation of Honkawa Power Plant (pumped-storage), Unit 1, with a capacity of 300,000 kW
1982-06 Kompawa Hydroelectric Power Plant (Pumped Storage) Unit 1 300 MW, Operation Started
1994-12 December 1994: The start of operation of Ikata Power Plant Unit 3, with a capacity of 890,000 kW (becoming a nuclear power plant with a total output of 2,022,000 kW)
1994-12 Ikata Power Plant Unit 3 890 MW, Operation Started (Total Output 2.022 GW Nuclear Power Plant)
2000-03 March 2000: The start of retail liberalization for extra-high voltage power
2000-03 Start of Retail Liberalization for Special High Voltage
2000-06 June 2000: The start of operation of Tachibana Bay Power Plant, with a capacity of 700,000 kW
2000-06 Tachibana Bay Power Plant 700 MW, Operation Started
2005-04 April 2005: The start of retail liberalization for high voltage and above
2005-04 Start of Retail Liberalization for High Voltage and Above
2010-03 March 2010: Start of plutonium-thermal power generation at Ikata Power Plant Unit 3
2010-03 March 2010: Operation commencement of Sakaide LNG Terminal: LNG conversion of Sakaide Power Plant Unit 4, with a capacity of 350,000 kW, completed and operational
2010-03 Start of MOX Fuel Power Generation at Ikata Power Plant Unit 3
2010-03 Sakaide LNG Terminal, Operation Started: LNG Conversion of Sakaide Power Plant Unit 4 350 MW Completed and Operational
2010-08 August 2010: Completion and start of operation of LNG conversion of Sakaide Power Plant Unit 1, 296,000 kW
2010-08 LNG Conversion of Sakaide Power Plant Unit 1 296 MW Completed and Operational
2010-12 December 2010: Commencement of commercial operation of Matsuyama Solar Power Plant, 2,042 kW
2010-12 Matsuyama Solar Power Plant 2,042 kW, Commercial Operation Started
2011-03 March 2011: Great East Japan Earthquake and nuclear accident at Fukushima
2011-03 Great East Japan Earthquake, Nuclear Accident at Fukushima
2016-04 April 2016: Start of full retail liberalization
2016-04 Start of Full Retail Liberalization
2016-05 May 2016: Decommissioning of Ikata Power Plant Unit 1
2016-05 Decommissioning of Ikata Power Plant Unit 1
2016-08 August 2016: Completion and start of LNG conversion of Sakaide Power Plant Unit 2, 289,000 kW
2016-08 LNG Conversion of Sakaide Power Plant Unit 2 289 MW Completed and Operational
2018-05 May 2018: Decommissioning of Ikata Power Plant Unit 2
2018-05 Decommissioning of Ikata Power Plant Unit 2
2019-03 March 2019: Decommissioning of Anan Power Plant Units 1 and 2
2019-03 Decommissioning of Anan Power Plant Units 1 and 2
2019-04 2019年 : 4月 : 四国電力送配電株式会社(分割準備会社)設立
2019-04 四国電力送配電株式会社(分割準備会社)設立
2020-04 April 2020: Spin-off of the transmission and distribution division as "Shikoku Electric Power Transmission and Distribution Co., Ltd."
2020-04 Divestment of Transmission and Distribution Division as "Shikoku Electric Power Transmission and Distribution Co., Ltd."
2023-06 June 2023: Completion and start of operation of replacement for Saijo Power Plant Unit 1, 500,000 kW
2023-06 Replacement of Saijo Power Plant Unit 1 500 MW Completed and Operational
2023-09 September 2023: Decommissioning of Anan Power Plant Unit 4
2023-09 Decommissioning of Anan Power Plant Unit 4
2026-06 Decommissioning of Anan Power Plant Unit 3 (Complete Decommissioning of Anan Power Plant)
+ Loaded when opened
9470001001933
Trade name四国電力株式会社
Trade name (kana)シコクデンリョク
Name in English
Corporation type301
Address〒760-0033 香川県高松市丸の内２番５号
Postal code7600033
Prefecture code37
City code201
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2020-04-15
Change date2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type01
Correction type1
Trade name image ID
Address image ID
Sequence number5075647
Source: National Tax Agency Corporate Number Publication Site, basic three items
9470001001933
Corporate number9470001001933
Trade name四国電力株式会社
Trade name (kana)シコクデンリョク
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address香川県高松市丸の内２番５号
Postal code7600033
Prefecture香川県
Prefecture code37
City or district高松市
City code201
Street address丸の内２番５号
Organisation type301
Processing type01
Correction type1
Status
Representative取締役社長 社長執行役員    宮  本  喜  弘
Capital145551000000
Employees2815
Employees (male)2413
Employees (female)402
Business summary電気事業
Website URLhttps://www.yonden.co.jp/
Year founded
Business categoryF:電気・ガス・熱供給・水道業
Date established1951-05-01
Unified government qualification - grade|A|A|A
Unified government qualification - business items229|303|315|402
Update date2020-04-15
Key information9470001001933
Source: gBizINFO (Ministry of Economy, Trade and Industry)
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2026-09-22 11:44 (Model: gpt-4.1-nano )
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