Nikkei Industry Sector
Electric Power
Overview
Japan's electricity sector includes major regional electric utilities that form the backbone of the nation's power infrastructure. Following the 2011 Fukushima disaster, the sector underwent fundamental restructuring—nuclear restarts, renewable energy integration, and retail market liberalization permanently altered competitive dynamics and earnings structures.
Current Trend
Nuclear restarts and renewable energy expansion are reshaping sector economics. As more reactors receive regulatory approval to resume operations, utilities are experiencing significant fuel cost relief. Ambitious government renewable energy targets are simultaneously driving substantial investment in offshore wind, solar power, and grid modernization infrastructure.
Companies in This Sector
3
Today's Avg. Price Change
-3.11%
Simple average of constituent stock price changes vs. previous close. Not a sector index.
Updated: 2026-10-15 (JST)
Position in Japan
Electric utilities occupy a strategically critical position in Japan's economy but faced prolonged earnings pressure after 2011 from expensive LNG imports replacing offline nuclear capacity. Government energy security policy, nuclear restart approvals, and the pace of renewable energy integration heavily influence sector economics and stock performance.
Latest Press Releases
11
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-04-10 The Kansai Electric Power Company,Incorporated “The first power company to be selected as a "DX Stock 2026" company.”
10
Apr
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-04-09 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Company Holdings, Inc. Regarding the media coverage of our alliances on April 9, 2026.”
08
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-04-07 Chubu Electric Power Company,Incorporated “Receipt of guidance from the Agency for Natural Resources and Energy of the Ministry of Economy, Trade and Industry regarding inappropriate procurement procedures in safety improvement work at the Hamaoka Nuclear Power Plant.”
07
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-04-06 Chubu Electric Power Company,Incorporated “Regarding the introduction of a "video call system" for the purpose of improving customer service and implementing prompt safety measures.”
04
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-04-03 The Kansai Electric Power Company,Incorporated “Nuclear power plant operating performance, etc. (FY2025).”
04
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-04-03 The Kansai Electric Power Company,Incorporated “Operating status of nuclear power plants.”
04
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-04-03 The Kansai Electric Power Company,Incorporated “Regular inspections of Takahama Nuclear Power Plant Unit 3 have begun.”
03
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-04-02 The Kansai Electric Power Company,Incorporated “Capital and business alliance aimed at establishing a mass production system for carbon materials – realizing a hydrogen society through world-class single-walled carbon nanotubes.”
03
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-04-02 Chubu Electric Power Company,Incorporated “Regarding power outages in some areas of Aichi, Gifu, and Nagano prefectures.”
02
Apr
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-04-01 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Company Energy Partner, Inc. Announcement: Collaboration campaign with the audition program "PRODUCE101 JAPAN New World" for electricity and gas rate plans is underway. Web application campaign.”
02
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-04-01 Chubu Electric Power Company,Incorporated “Regarding efforts to further improve efficiency through cooperation among power transmission and distribution operators, the operation of the Central Regional AC Loop has commenced.”
02
Apr
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-04-01 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Grid Co., Ltd. Announcement: Request for your cooperation in completing a survey regarding applications for connection work to the simplified command system.”
01
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-03-31 The Kansai Electric Power Company,Incorporated “Regarding the resignation of an executive officer.”
01
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-03-31 The Kansai Electric Power Company,Incorporated “Tokyo Metro and Kansai Electric Power Company sign a first-ever physical PPA (Power Purchase Agreement).”
01
Apr
The Kansai Electric Power Company,Incorporated JP3228600007
2026-03-31 The Kansai Electric Power Company,Incorporated “Regarding the conclusion of a comprehensive cooperation agreement with Kyoto City to promote initiatives toward the realization of a sustainable society.”
01
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-03-31 Chubu Electric Power Company,Incorporated “Report to the Minister of Economy, Trade and Industry and the Nuclear Regulation Authority regarding the inappropriate handling of the formulation of the design basis earthquake ground motion in the conformity assessment of the new regulatory standards for the Hamaoka Nuclear Power Plant.”
01
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-03-31 Chubu Electric Power Company,Incorporated “Report to the Minister of Economy, Trade and Industry regarding inappropriate procurement procedures in safety improvement work at the Hamaoka Nuclear Power Plant.”
01
Apr
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-03-31 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Grid Co., Ltd. Announcement Regarding the Determination of the Renewable Energy Generation Promotion Surcharge Unit Price.”
01
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-03-31 Chubu Electric Power Company,Incorporated “Receipt of an additional request for reporting from the Minister of Economy, Trade and Industry, pursuant to Article 106, Paragraph 3 of the Electricity Business Act, regarding an inappropriate case concerning the formulation of the design basis earthquake ground motion in the conformity assessment of the new regulatory standards for the Hamaoka Nuclear Power Plant.”
01
Apr
Chubu Electric Power Company,Incorporated JP3526600006
2026-03-31 Chubu Electric Power Company,Incorporated “Regular press conference in March 2026: President Hayashi's address.”