Boston and Cambridge’s decades-old district energy system is being retooled to shift away from gas and toward heat pumps and ...

The air nuisance rule has helped advocates rein in pollution from coal-burning plants and other facilities. Without it, air ...

A judge has called for the Trump administration to reevaluate assumptions as it works to redirect rooftop solar funds toward ...

Portland General Electric used Gridcare’s software to identify extra space on its grid — available to any existing data ...

The OBBBA killed tax credits for heat pumps, but kept them for commercially leased geothermal and thermal storage systems — a ...

The transition to renewable energy — particularly solar — relies on energy storage. A ton more batteries are about to come ...

The state’s innovative winter heat-pump rates go into effect this weekend and should make the tech more accessible. Deeper ...

Critics claim the state's utility regulator is too passive. Two Democratic challengers say they’ll change that — and push for ...

The city's utility says the charge is only fair to customers without solar, but the couple argues it’s an illegal penalty.

A Colorado entrepreneur is going all in on a renewable energy source that will keep him digging — and could be a model for ...

Northern Indiana Public Service Co. says the spinoff is needed to meet surging power demand. Others say it’s an excuse to ...

Containing rising power rates is easier said than done for candidates campaigning on the issue. A recent study details how to ...