Decommissioning Units 1 through 3 at Oi Thermal Power Station, Units 5 and 6 at Yokohama Thermal Power Station, and Units 1 through 4 at Chita Thermal Power Station2022/03/31

JERA Co., Inc. (“JERA”) has today decommissioned Units 1 through 3 at Oi Thermal Power Station, Units 5 and 6 at Yokohama Thermal Power Station, and Units 1 through 4 at Chita Thermal Power Station (total 3,833MW), all of which have been under long-term planned shutdown.

JERA is currently moving forward with replacement work at thermal power plants in other locations (total 6,660MW)¹. With the understanding and cooperation of local communities and other stakeholders, JERA is making every effort to secure a stable supply of energy.

Overview of Oi Thermal Power Station

・Location: 1-2-2 Yashio, Shinagawa-ku, Tokyo-to

Unit no.	Generation capacity	Generation type	Fuel	Start of Operation	Decommissioning
Unit 1	350MW	Steam	Crude oil	August 1971	March 2022 (Shutdown since April 2016)
Unit 2	350MW			February 1972
Unit 3	350MW			December 1973

Overview of Yokohama Thermal Power Station

・Location: 11-1 Daikoku-cho, Tsurumi-ku, Yokohama-shi, Kanagawa-ken

Unit no.	Generation capacity	Generation type	Fuel	Start of Operation	Decommissioning
Unit 5	175MW	Steam	LNG	March 1964	March 2022 (Shutdown since April 2016)
Unit 6	350MW	Steam	LNG	June 1968	March 2022 (Shutdown since April 2016)
Unit 7-1	377MW	Combined cycle	LNG	January 1998	―
Unit 7-2	377MW			October 1997	―
Unit 7-3	377MW			January 1997	―
Unit 7-4	377MW			June 1996	―
Unit 8-1	377MW			July 1996	―
Unit 8-2	377MW			February 1997	―
Unit 8-3	377MW			October 1997	―
Unit 8-4	377MW			January 1998	―

Overview of Chita Thermal Power Station

・Location: 23 Kitahama-machi, Chita-shi, Aichi-ken

Unit no.	Generation capacity	Generation type	Fuel	Start of Operation	Decommissioning
Unit 1	529MW	Combined cycle (repowering)	LNG	February 1966	March 2022 (Shutdown since March 2017)
Unit 2	529MW	Combined cycle (repowering)	LNG	January 1967	March 2022 (Shutdown since April 2017)
Unit 3	500MW	Steam	LNG	March 1968	March 2022 (Shutdown since April 2017)
Unit 4	700MW	Steam	LNG	March 1974	March 2022 (Shutdown since October 2017)
Unit 5	854MW	Combined cycle (repowering)	LNG	March 1978	Scheduled for FY 2026
Unit 6	854MW	Combined cycle (repowering)	LNG	April 1978	―

¹ New Units 1 through 3 at Anegasaki Thermal Power Station, New Units 1 through 3 at Goi Thermal Power Station, New Units 1 and 2 at Yokosuka Thermal Power Station, and Unit 5 at Taketoyo Thermal Power Station