California was mostly solar-powered in May — a global first

No major economy had previously received over half its electricity from solar across an entire month. Thank the mild, sunny spring weather, and batteries.

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PJM’s big new data center plan: Make the states figure it out

Grid operator PJM wants states and utilities to hold data centers responsible for buying their own power — or risk being cut off from grid service.

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Microreactor startup Valar Atomics raises $1B

Valar, which has been called “the Trump administration’s favorite nuclear startup,” faces a steep path to realizing its vision — even with a giant funding…

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Court rules against Trump EPA’s freeze of $20B in ‘green bank’ funds

A federal appeals court finds the EPA acted improperly in terminating grants to boost clean energy projects. The Trump administration may appeal to the…

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Base Power raises $1B to get big batteries into more homes

The startup, newly valued at $13 billion, is now manufacturing batteries in Texas. It offers an affordable way for homeowners to get backup power and it…

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How to bring a geothermal well back from the dead

Startup Zanskar has created one of the most productive geothermal wells in the U.S. by squeezing more life out of a power plant that had been in decline…

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Massachusetts embraces backyard homes as housing and climate solution

The state needs more housing, fast. ADUs offer a path forward — and their compact, sometimes all-electric designs offer lower energy bills and carbon…

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