Niigata Thermal Power Station

Niigata Thermal Power Station (新潟火力発電所, Niigata Karyoku Hatsudensho) is an LNG-fired thermal power station operated by Tohoku Electric in the city of Niigata, Japan. The facility is located on the Sea of Japan coast.

Niigata Thermal Power Station
新潟火力発電所
Niigata Thermal Power Station
CountryJapan
LocationNiigata, Niigata Prefecture, Japan
Coordinates37°56′45″N 139°04′53″E
StatusOperational
Commission date2011
Owner(s)Tohoku Electric
Thermal power station
Primary fuelLNG
Power generation
Units operational1
Units decommissioned6
Nameplate capacity1090 MW

History

The Niigata Thermal Power Station Unit 1 started operation in July 1963. At that time, it was Japan's first power plant capable of using a mixture of natural gas and heavy oil. A total of four units were constructed between 1963 and 1969. Unit 2 was abolished in 1983 and Unit 1 in 1984 due to obsolescence. Plans for a lifetime extension on Unit 3 were cancelled in 2006 and the plant was abolished in 2009.

Unit 5, which adopted a high-efficiency combined cycle power generation system was under construction at the time of the 2011 Tōhoku earthquake and tsunami and came on line from July 30, 2011.

Due to the electrical shortfall in the aftermath of the earthquake, Unit 6 was constructed as an emergency generation station, and came on line on January 31, 2012. It was taken offline on March 21, 2015 after alternative and lower cost sources of energy came on line and infrastructure damaged by the earthquake was repaired.

Unit 4 was abolished in September 2018.

In the past, the Niigata Thermal Power Station used natural gas sent by a 251-km pipeline from the Aga-oki oil and gas field, which was located offshore. It now uses imported LNG.

Plant details
Unit Fuel Type Capacity On line Status
1 Heavy Oil / LNG Steam turbine 125 MW 1963 Decommissioned 1984; scrapped
2 Heavy Oil / LNG Steam turbine 125 MW 1963 Decommissioned 1983; scrapped
3 Heavy Oil / LNG Steam turbine 250 MW 1969 Decommissioned 2009; scrapped
4 Heavy Oil / LNG Steam turbine 250 MW 1969 Decommissioned 2018; scrapped
5-1 LNG ACC 545 MW 2011 operational
5-2 LNG ACC 545 MW 2011 operational
6r LNG Gas Turbine 34 MW 2012 Decommissioned 2015; scrapped
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See also
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