Cheap natural gas might not be the biggest nail in the coffin of the Vermont Yankee Nuclear Power Station in Vernon, VT, but it’s in there, Entergy Corp. said in announcing the shuttering of the plant, mainly due to low power prices in a poorly designed wholesale power market.

“This was an agonizing decision and an extremely tough call for us,” said Entergy CEO Leo Denault. The company said the decision to close Vermont Yankee in 2014 was based on a number of financial factors, including: