TEPCO HD Kashiwazaki Kariwa Nuclear Power Plant Unit No. 6 Commences Commercial Operation, First Since Fukushima Daiichi Accident
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TEPCO (Tokyo Electric Power Company Holdings)'s Kashiwazaki Kariwa Nuclear Power Plant Unit No. 6 (rated capacity of 1,356 MW, ABWR-type, Kashiwazaki, Niigata Prefecture) commenced commercial operation on April 16. A comprehensive load performance test had been conducted since April 15, and no issues were found in the test results. This marks the first time in approximately 15 years that a TEPCO nuclear power plant has commenced commercial operation since the Fukushima Daiichi Nuclear Power Plant accident in 2011. The unit was initially scheduled to commence commercial operation on March 18, but the start was postponed after an alarm indicating a minor ground fault was triggered from the generator. Previously, the East Japan area had been facing power shortages, especially during peak demand periods, but these are expected to be significantly eased due to the restart of Kashiwazaki Kariwa Nuclear Power Plant Unit No. 6. According to calculations by the Ministry of Economy, Trade and Industry (METI) as of October last year, the power supply and demand balance in the Tokyo area this summer (July-August) was at risk of tightness due to overlapping long-term maintenance shutdowns and suspensions of power plants. However, the latest calculations released in March this year, which include the supply from Kashiwazaki Kariwa Nuclear Power Plant Unit No. 6, now forecast it to exceed the 3% required for stable supply.
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