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is an LNG-fired
thermal power station A thermal power station is a type of power station in which heat energy is converted to electrical energy. In a steam-generating cycle heat is used to boil water in a large pressure vessel to produce high-pressure steam, which drives a stea ...
operated by
Tohoku Electric is an electric utility, servicing 7.6 million individual and corporate customers in six prefectures in Tōhoku region plus Niigata Prefecture. It provides electricity at 100 V, 50 Hz, though some area use 60 Hz. Tohoku Electric Power ...
in the city of Niigata, Japan. The facility is located on the
Sea of Japan The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, i ...
coast.


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 A combined cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy. On land, when used to make electricity the most common type is called a combined cycle gas tur ...
power generation system was under construction at the time of the
2011 Tōhoku earthquake and tsunami The occurred at 14:46 Japan Standard Time, JST (05:46 UTC) on 11 March. The Moment magnitude scale, magnitude 9.0–9.1 (M) Submarine earthquake, undersea megathrust earthquake had an epicenter in the Pacific Ocean, east of the Oshika Peni ...
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 pipeline from the Aga-oki oil and gas field, which was located offshore. It now uses imported
liquefied natural gas Liquefied natural gas (LNG) is natural gas (predominantly methane, CH4, with some mixture of ethane, C2H6) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the vol ...
(LNG).


Plant details


See also

{{Portal, Japan, Energy *
Energy in Japan Energy in Japan refers to energy and electricity production, consumption, import and export in Japan. The country's primary energy consumption was 477.6 Mtoe in 2011, a decrease of 5% over the previous year. The country lacks significant do ...
*
List of power stations in Japan This page is a list of power stations in Japan that are publicly or privately owned. List Former power station * Senju Thermal Power Station See also *Electricity sector in Japan *Energy in Japan *List of largest power station ...


External links


Tohoku Electric list of major power stations
1963 establishments in Japan Energy infrastructure completed in 1963 Natural gas-fired power stations in Japan Buildings and structures in Niigata (city)