First New US Nuclear Reactor Since 2016 is Now in Operation

U.S. Energy Information Administration, in a press release: A new reactor at Georgia's Vogtle nuclear power plant is now in commercial operation, according to an announcement from Georgia Power, one of the plant's owners. It is the first new nuclear reactor to start up in the United States since the Tennessee Valley Authority's Watts Bar 2 was commissioned in 2016. The new 1,114 megawatt (MW) Unit 3 reactor joins two existing reactors at Plant Vogtle, which is jointly owned by Georgia Power and three other electric utility companies. The plant's first two reactors, with a combined 2,430 MW of nameplate capacity, came online in the late 1980s. Georgia Power expects another similar-sized fourth reactor, Vogtle Unit 4, to begin operation sometime between November 2023 and March 2024. The two new reactors will make Plant Vogtle the largest nuclear power plant in the country, surpassing the 4,210 MW Palo Verde plant in Arizona. Construction at the two new reactor sites began in 2009. Originally expected to cost $14 billion and begin commercial operation in 2016 (Vogtle 3) and 2017 (Vogtle 4), the project ran into significant construction delays and cost overruns. The total cost of the project is now estimated at more than $30 billion.

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