Clean energy

Solar

Solar is crushing gas power in California this year

The state’s combination of solar and battery plants has pushed clean generation of electricity to new heights, offering a welcome reprieve from high gas prices.

By Julian Spector . 8 October 2025
Clean energy

As coal fades, Australia looks to realize dream of 100% renewable energy

The country’s grid operator says shifting from coal to clean power is not only possible but inevitable. The work there could provide a road map for other countries.

By Julian Spector . 6 October 2025
Clean energy

Chart: Global investment in renewables hits record even as US falters

Over the first six months of this year, a total of $386 billion flowed to renewable-energy projects — 10% more than one year prior.

By Dan McCarthy . 3 October 2025
Politics

Trump admin targets blue-state grants meant to ease US electricity woes

But red states will also suffer from the rollback of billions in funding to help bring cheaper, more reliable power to regions across the country.

By Jeff St. John . 2 October 2025
Hydropower

US hydropower is at a make-or-break moment

Gigawatts of clean energy are at stake as aging hydropower plants approach deadlines for relicensing — a yearslong, often extremely expensive process.

By Alexander C. Kaufman . 1 October 2025
Geothermal

XGS Energy says its advanced geothermal tech is ready to scale up

The startup successfully operated a geothermal system for over 3,000 hours. The results should help it finance its first commercial deal: a 150-MW plant for Meta.

By Maria Gallucci . 30 September 2025
Clean energy

Chart: Check out how fast China is shifting to renewables

China still emits more planet-warming pollution than any other country, but its furious build-out of wind and solar means the nation is scaling back on fossil fuels.

By Dan McCarthy . 26 September 2025
Energy markets

New California law could expand energy trading across the West

Backers of a Western trading market say it could save billions and boost renewables. After years of delays, California is moving forward with the idea.

By Jeff St. John . 23 September 2025
Solar

Chart: See how solar is booming globally

The world installed 64% more solar in the first half of this year than it did in the first half of last year. The driving force? China.

By Dan McCarthy . 19 September 2025
Policy & regulation

California just passed a suite of bills to tackle rising energy costs

The state’s lawmakers got serious about reducing electricity rates this session, with measures to help with summer bills and enable public financing for power grids.

By Jeff St. John . 17 September 2025