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Entergy Shuts Vermont Nuclear Power Station

August 29, 2013 By Linda Hardesty

Vermont YankeeEntergy Corporation plans to close and decommission its Vermont Yankee Nuclear Power Station in Vernon, Vt. Vermont Yankee sells its power into the New England wholesale market. It is one of Entergy’s merchant nuclear plants, according to a spokesperson.

The station is expected to cease power production after its current fuel cycle and move to safe shutdown in the fourth quarter of 2014. The station will remain under the oversight of the Nuclear Regulatory Commission throughout the decommissioning process.

Entergy says the decision to close Vermont Yankee in 2014 was based on a number of financial factors, including:

  • A natural gas market that has undergone a transformational shift in supply due to the impacts of shale gas, resulting in sustained low natural gas prices and wholesale energy prices.
  • A high cost structure for this single unit plant. Since 2002, the company has invested more than $400 million in the safe and reliable operation of the facility. In addition, the financial impact of cumulative regulation is especially challenging to a small plant in these market conditions.
  • Wholesale market design flaws that continue to result in artificially low energy and capacity prices in the region, and do not provide adequate compensation to merchant nuclear plants for the fuel diversity benefits they provide.

Entergy will establish a decommissioning planning organization responsible for planning and executing the safe and efficient decommissioning of the facility. Once the plant is shut down, workers will de-fuel the reactor and place the plant into SAFSTOR, a process whereby a nuclear facility is placed and maintained in a condition that allows it to be safely secured, monitored and stored.

Vermont Yankee, a single unit boiling water reactor, began commercial operation in 1972. Entergy acquired the plant from Vermont Yankee Nuclear Power Corporation in 2002. In March 2011, the NRC renewed the station’s operating license for an additional 20 years, until 2032.



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