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
+0.28%
Simple average of constituent stock price changes vs. previous close. Not a sector index.
Updated: 2026-10-14 (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
15
Oct
Chubu Electric Power Company,Incorporated JP3526600006
2026-10-14 Chubu Electric Power Company,Incorporated “Demonstration operation of a plant combining rock thermal energy storage and energy management technology has begun – contributing to resolving the supply-demand gap for electricity and heat through demonstration operation on the first scale in Japan.”
15
Oct
Chubu Electric Power Company,Incorporated JP3526600006
2026-10-14 Chubu Electric Power Company,Incorporated “Regarding the notification of changes to the final guarantee supply agreement.”
10
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-09 The Kansai Electric Power Company,Incorporated “Kansai Electric Power Transition Bond (587th to 588th rounds) offering.”
10
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-09 The Kansai Electric Power Company,Incorporated “The start-up and adjustment operation of Mihama Nuclear Power Plant Unit 3 is scheduled to begin (water dripping from around the air vent valve on the outlet piping of the 6A high-pressure feedwater heater normal water level control valve).”
09
Oct
Chubu Electric Power Company,Incorporated JP3526600006
2026-10-08 Chubu Electric Power Company,Incorporated “Regarding changes in the responsibilities of executive officers and other personnel.”
09
Oct
Chubu Electric Power Company,Incorporated JP3526600006
2026-10-08 Chubu Electric Power Company,Incorporated “Press conference regarding the appointment of new president Yasui.”
03
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-02 The Kansai Electric Power Company,Incorporated “Causes and countermeasures for water dripping from around the air vent valve on the outlet piping of the 6A high-pressure feedwater heater at Mihama Nuclear Power Plant Unit 3.”
03
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-02 The Kansai Electric Power Company,Incorporated “Causes and countermeasures regarding the automatic shutdown of the generator following a "field loss" warning at Unit 3 of the Ohi Nuclear Power Plant.”
03
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-02 The Kansai Electric Power Company,Incorporated “The regular inspection of Unit 3 of the Ohi Nuclear Power Plant has begun.”
03
Oct
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-10-02 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Company Energy Partner, Inc. Announcement Regarding the Power Source Composition and Non-Fossil Fuel Certificate Usage Status for Fiscal Year 2025.”
02
Oct
The Kansai Electric Power Company,Incorporated JP3228600007
2026-10-01 The Kansai Electric Power Company,Incorporated “Publication of the "Kansai Electric Power Group Integrated Report 2026".”
02
Oct
Chubu Electric Power Company,Incorporated JP3526600006
2026-10-01 Chubu Electric Power Company,Incorporated “The Noba Solar Power Plant in Hachinohe City, Aomori Prefecture, has commenced commercial operation.”
01
Oct
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-09-30 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Grid Co., Ltd. Announcement Regarding the Auction Volume for the Second Half of Fiscal Year 2026 in the Composite Market Product of the Supply and Demand Adjustment Market, In Connection with the Conclusion of a Discretionary Contract Using Pumped-Storage Hydroelectric Generators.”
01
Oct
Tokyo Electric Power Company Holdings,Incorporated JP3585800000
2026-09-30 Tokyo Electric Power Company Holdings,Incorporated “Tokyo Electric Power Company Holdings, Inc. Announcement Regarding the Publication of the "TEPCO Integrated Report 2026".”
30
Sep
The Kansai Electric Power Company,Incorporated JP3228600007
2026-09-29 The Kansai Electric Power Company,Incorporated “Acquisition of the health checkup business of Nakanoshima Clinic and Nakanoshima Clinic Ladies Plaza.”
30
Sep
The Kansai Electric Power Company,Incorporated JP3228600007
2026-09-29 The Kansai Electric Power Company,Incorporated “Report on the results of an investigation into errors in cost calculation and unit price setting for electricity rates in regulated fields (report in response to a request for information from the Ministry of Economy, Trade and Industry).”
30
Sep
The Kansai Electric Power Company,Incorporated JP3228600007
2026-09-29 The Kansai Electric Power Company,Incorporated “Review of electricity rates, etc., due to changes in the terms and conditions of transmission and distribution services.”
30
Sep
The Kansai Electric Power Company,Incorporated JP3228600007
2026-09-29 The Kansai Electric Power Company,Incorporated “Fuel cost adjustments, etc., for electricity charges for November 2026.”
30
Sep
Chubu Electric Power Company,Incorporated JP3526600006
2026-09-29 Chubu Electric Power Company,Incorporated “Regarding the revision of electricity rates due to changes in transmission charges and the notification of changes to the specific retail supply agreement.”
30
Sep
Chubu Electric Power Company,Incorporated JP3526600006
2026-09-29 Chubu Electric Power Company,Incorporated “Regarding the fuel cost adjustment for electricity charges for November 2026.”