Clean energy

Solar

Community solar needs space to grow. Warehouse rooftops have lots of it.

Industrial buildings could host gigawatts of shared solar to deliver low-cost power to underserved urban communities — if states and utilities allow it to scale up.

By Jeff St. John . 22 June 2026
Solar

Rooftop solar is in for a tough few years in the US

Trump and GOP lawmakers revoked lucrative tax credits for rooftop solar. The results are predictable.

By Dan McCarthy . 19 June 2026
Clean energy

The Iran war sparked a shift toward clean energy. Will it last?

Sky-high fossil fuel prices drove people around the world toward clean energy. But even as the Strait of Hormuz reopens, they may not turn back.

By Kathryn Krawczyk . 18 June 2026
Geothermal

Eavor plots next step for novel geothermal project after rocky start

The startup’s first-of-a-kind geothermal project hit key milestones in Germany — but also technical hurdles. Now it’s looking for partners to help finish the job.

By Maria Gallucci . 18 June 2026
Transmission

Is New England’s new hydropower transmission line paying off?

The flow has been stop and go for the first few months, but the line shows plenty of potential to boost Massachusetts’ renewable energy supply.

By Sarah Shemkus . 16 June 2026
Clean energy

This spring, clean energy in the US set record after record

In California, Texas, and other places, solar, wind, and batteries hit new highs. Here are the big takeaways from this year’s shoulder season.

By Julian Spector . 15 June 2026
Data centers

AI firms are getting creative as they scramble for energy

Desperate for power, companies are pursuing new strategies to run data centers, from repurposing jet engines to beaming solar energy down from space.

By Kathryn Krawczyk, Dan McCarthy . 12 June 2026
Solar

Solar beat coal on the US grid in May — a new milestone

It’s the first time that's happened across an entire month, and it comes despite the Trump administration’s efforts to reinvigorate coal and hamper solar.

By Dan McCarthy . 12 June 2026
Transmission

NYC’s big, clean power line is officially up and running

The Champlain Hudson Power Express is bringing tons of hydropower to the city — but amid years of drought, can Canada spare the clean electricity?

By Kathryn Krawczyk . 5 June 2026
Clean energy

Ohio has blocked a lot of wind and solar. Its residents pay the price.

The clean energy projects thwarted by state lawmakers could have gone a long way toward meeting spiking energy demand, lowering bills, and eliminating pollution.

By Kathiann M. Kowalski . 5 June 2026