Duke, Santee Cooper nuclear plans on track


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South Carolina Nuclear Expansion advances as Duke Energy and Santee Cooper pursue new reactors, NRC approval, and drought-resilient cooling water plans leveraging Broad River, Ninety-Nine Island reservoir, Lake Murray, and environmental impact studies.

 

The Situation Explained

New South Carolina reactors under NRC review, with drought-ready cooling water and reservoirs to support reliable power.

  • Duke Energy pursuing Cherokee County reactor project
  • Santee Cooper and SCE&G plan two Fairfield reactors
  • NRC reviewing applications; Duke targets 2012 build OK

 

At least one South Carolina nuclear power plant is on track to begin generating electricity by as early as 2016 and a second could be on line no later than 2021.

 

Duke Energy is continuing with its plans to build a new nuclear power plant in Cherokee County as Duke and Southern study a new S.C. reactor that could begin operating between 2018 and 2021, said Duke spokeswoman Rita Sipe.

The other plan, to expand an existing Fairfield County nuclear site, is a project by Santee Cooper and South Carolina Electric and Gas. Santee Cooper spokeswoman Mollie Gore said the utility expects the first new reactor to be operational by 2016 and a second reactor online by 2019.

The Fairfield project has started preliminary construction, she said.

Sipe said the Nuclear Regulatory Commission is reviewing thousands of pages of required studies and Duke Energy expects to receive approval to begin construction around 2012.

South Carolina gets more than half of its electricity from nuclear power as Duke and Progress push nuclear expansion across the region and only two states use a greater percentage of nuclear energy for its electric mix.

In South Carolina there are four nuclear sites with a total of seven reactors. The nuclear sites are in Oconee, Fairfield, York and Darlington counties. North Carolina has three reactor sites, where a Raleigh, N.C.-based utility has narrowed its site list for a new plant, and Georgia has two.

The Cherokee plant would be Duke Energy’s first new nuclear reactor since 1985, while Progress considers a new N.C. plant to meet demand.

The original plans for reactors in Cherokee were scrapped in 1982 because of a bad economy and several other Duke Energy generating facilities, such as its approved gas plants, came online around that time, Sipe said. The plans were redone and then resubmitted amid lower usage in 2007.

Duke Energy has recently changed its plans to accommodate potential droughts, based on the last few years of dry weather, Sipe said.

A new pond proposed for the site would be 620 surface acres, or about 1/30th the size of Lake Keowee, which has about 18,000 surface acres. The new pond would not be open to the public.

About 35 million gallons of water a day would be evaporated as steam if the plant comes online and another 15 million gallons would be used for cooling but would return to the river, Sipe said, citing environmental reports prepared by Duke.

Sipe said the proposed site would be using about two percent of the water going through the Broad River for plant needs. The bulk of the water that the Cherokee site would use would come from the Ninety-Nine Island reservoir.

The reservoir is connected to Lake Murray, which will be used by the Fairfield County nuclear site.

Gore said Lake Murray should provide enough water, so plans for the Fairfield site were not changed because of the drought.

The biggest nuclear plant in the state, both in production and size, is in Oconee County and uses Lake Keowee as its water source.

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