Fears about supply, demand, profits and supply chains all combine into a volatile mix that delivers prices that are often higher in a crisis, but also change more rapidly and by larger amounts.

Rather than feeling guilty about cooling down in extreme heat, homeowners could boost power reliability and lay a welcome mat for more renewables.

Some technologies could rapidly cut emissions, while others do little to fight climate change. The House bill favors the latter while nixing support for the former.

Ørsted’s cancellation of Hornsea 4 bodes ill for the UK’s 2030 clean power target.

MIT Plasma Science and Fusion Center to establish the Schmidt Laboratory for Materials in Nuclear Technologies.

Lithium carbon dioxide batteries could be a gamechanger for everything from renewable-energy storage to colonising Mars.

A detailed MIT analysis identifies some promising options but also raises unexpected concerns.

Consumers in Britain are paying for clean power that was never actually generated or used.

To really compare different electricity sources, you also have to look at the roles they play in keeping the lights on and their drawbacks.