Jeff St. John

Utilities expect electricity growth to reach levels that are hard to fathom — and they’re using those estimates to justify costly new investments in…

Advocates say new data centers in the biggest U.S. power market should have to stop using electricity when demand peaks to help rein in costs. Tech…

Colorado coal plants are likely to face DOE orders to keep running past planned closure dates, even as the costs of keeping an old Michigan plant open…

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

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

The OBBBA killed tax credits for heat pumps, but kept them for commercially leased geothermal and thermal storage systems — a path to keep home clean heat…

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

Thermal energy storage can use cheap, clean electricity to decarbonize industry. Rondo’s new project courts a controversial customer to prove it works at…

Pila Energy’s batteries offer renters and homeowners the smarts of a Tesla Powerwall in a plug-and-play package. It just raised $4M to scale up operations.

Data centers want to connect to the grid faster. Voltus says virtual power plants can help them do so — and cut costs for everyday utility customers.