Utilities pull plug on reactors that launched U.S. nuclear renaissance – World

South Carolina utilities are abandoning two unfinished reactors that were once hailed as the start of a U.S. nuclear power renaissance — before they were dogged by billions of dollars in cost overruns.

The reactors were proposed a decade ago, when U.S. policy-makers expected more than a dozen new nuclear power plants to provide carbon-free electricity. In the years since, however, a shale revolution unleashed a glut of cheaper natural gas, the Fukushima accident in Japan raised fresh safety concerns and the Trump administration is now unwinding steps aimed at countering climate change.

A unit of SCANA Corporation and state-owned Santee Cooper said Monday they would abandon the twin-reactor project known as V.C. Summer. It is less than 40 per cent complete, and more than $9 billion US had been spent on construction.

“We arrived at this very difficult but necessary decision following months of evaluating the project from all perspectives to determine the most prudent path forward,” said SCANA CEO Kevin Marsh in a statement.

The project was originally expected to begin producing power last year but has been plagued by construction problems, disputes with regulators and poor quality work.

Westinghouse bankruptcy the catalyst

The utilities blamed the bankruptcy of the project’s contractor, Toshiba Corp’s Westinghouse Electric Co., which said in March that it could not afford to finish the fixed-price contract for V.C. Summer or a similar project in Georgia known as Vogtle.

A presentation to the Santee Cooper board showed that in the wake of Westinghouse’s bankruptcy, the project would likely not be completed before 2023 and would go 75 per cent over the initial budget, to as much as $24 billion US.

The Georgia project, led by a unit of Southern Co., is now the only new U.S. reactor under construction, since the Three Mile Island accident in 1979. Westinghouse landed the contracts by touting its AP1000 design as safer, as well as cheaper and quicker to construct.

Halting V.C. Summer increases the likelihood Southern Co. will abandon the Vogtle project, adding to a long list of nuclear power plants cancelled after construction began.

A new cooling tower for a nuclear power plant reactor under construction stands near the two operating reactors at the Vogtle power plant in Waynesboro, Ga., in 2014. The Georgia project is now the only new U.S. reactor under construction since the Three Mile Island accident in 1979 and it,…

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