Connecticut’s largest power plant would change hands under a merger announced Monday, in which Florida-based NextEra Energy would acquire Dominion Energy, the owner of the Millstone Power Station in Waterford. Millstone is the only operating nuclear plant in Connecticut, and its two reactors supply roughly half the state’s electricity and more than 90% of its carbon-free power, according to Dominion. The deal, an all-stock transaction valued at about $66.8 billion according to Reuters, would transfer control of Millstone to NextEra. NextEra, through a subsidiary, is the majority owner and operator of the Seabrook Station nuclear plant in New Hampshire, which sells its power into the regional grid operated by ISO New England, the same market Connecticut draws electricity from. If the merger closes, the combined company would own both Millstone and Seabrook — meaning a single company would control all of the nuclear power generated inside Connecticut, along with a significant share of the regional nuclear supply that reaches Connecticut homes and businesses. Seabrook is the second-largest nuclear plant in New England, behind Millstone. Neither company’s announcement of the deal — nor its filing with the Securities and Exchange Commission — mentions Millstone, Seabrook, Connecticut or New England. The companies framed the merger almost entirely around growth in the South and soaring electricity demand from data centers, particularly in Virginia, where Dominion runs a grid serving the world’s largest concentration of data centers.
NextEra-Dominion deal would put CT’s Millstone nuclear plant under new ownership
