ISO New England

Spring wholesale power prices in New England fell 38 percent this year, thanks mainly to the lower natural gas prices, according to grid operator ISO New England.

How much longer Waterford's Millstone nuclear power station will continue operating is a major concern for Connecticut's energy watchdogs and planners.

Recent cancellations and delays of proposed large-scale energy infrastructure projects, and results from two regional surveys suggest energy policy and consumer and business concerns in New England are heading in opposite directions.

Electricity should be in adequate supply in Connecticut and the rest of New England during the summer if temperatures aren't unusually high and disruptions in natural gas supply to power plants is low.

New England's wholesale electricity prices last year were near record lows last year, according to grid operator ISO New England.

Warmer January temperatures this year drove the wholesale cost of electricity down nearly 50 percent, according to grid operator ISO New England.

The owner of a coal-fired power plant in Bridgeport — the last such plant still operating in the state — is planning to convert the facility to cleaner-burning natural gas.

Regional grid operator ISO New England said Tuesday that electricity supplies should be adequate to meet consumer demand this winter, but it warned that reliable operations could be threatened by natural gas pipeline constraints.

The operator of Massachusetts' only nuclear power plant said Tuesday that it plans to close the plant by 2019.

The average price of wholesale electricity in New England hit a historic 12-year low in June, coming in 23 percent lower than the previous record low, according to regional grid administrator ISO New England.