Clean energy supply chain

Solar

Trump launched big new solar tariffs. Here’s what it means.

The cost of installing solar panels will rise. But now the U.S. has a large and fast-growing solar manufacturing industry to take advantage of the trade protections.

By Julian Spector . 7 August 2026

Two men, one sitting at a desk and one standing and gesturing, with flags behind them and curtains — President Donald Trump listens to U.S. Secretary of Commerce Howard Lutnick speak after signing an executive order on polysilicon imports in the Oval Office on Aug. 6, 2026. (Jim Watson/AFP via Getty Images)

Green steel

Could a new iron ore mine turn Minnesota into a green steel powerhouse?

Mesabi Metallics is opening a mine and processing plant on the Iron Range, spurring job opportunities and a chance to join the global transition to low-carbon steel.

By Brian Martucci . 23 July 2026
Solar

Solar and wind try to navigate Trump’s obstacle course for tax credits

Many solar and wind projects will meet a July 4 deadline for tax credits. But to keep them, they must be built in four years — and that involves yet more hurdles.

By Jeff St. John . 15 June 2026
Solar

Are long-promised solar perovskites finally hitting mass production?

Tandem PV has built an automated factory line in California to produce glass coated with materials that it says can improve solar panel efficiency by one-third.

By Julian Spector . 20 April 2026
Geothermal

Fervo Energy inks big turbine deal to build more next-gen geothermal

The Houston-based startup signed a deal with Turboden America for up to 1.75 GW in power-plant units to turn more of Earth’s heat into clean electricity.

By Maria Gallucci . 9 April 2026
Nuclear

Next-gen nuclear has a chicken-and-egg problem

A new report suggests that advanced reactor companies face a difficult path to success — and that the U.S. would be better off narrowing in on fewer designs.

By Alexander C. Kaufman . 20 March 2026
Clean energy supply chain

The year the US doubled down on critical minerals

Trump took unusual steps in 2025 to strengthen American control over a supply chain crucial to many industries — and to the clean energy transition.

By Tik Root, Grist, Anita Hofschneider, Rebecca Egan McCarthy . 26 December 2025
Clean energy supply chain

Trump’s push to mine deep-sea battery metals draws ire from allies

At U.N. talks in Jamaica, allies blasted the U.S. bid to unilaterally mine the high seas. Some made an unusual move to side with America’s economic foe: China.

By Clare Fieseler . 12 August 2025
Clean energy manufacturing

Chart: The clean-energy manufacturing boom is going bust

Since Trump took office, nearly $28 billion worth of investment in U.S. cleantech factories has been paused, canceled, or otherwise delayed.

By Dan McCarthy . 1 August 2025
Energy storage

Amid tariff uncertainty, US grid battery industry faces an uphill climb

Domestic battery manufacturing and deployments have been growing fast — but Trump’s tariff wars and looming budget cuts threaten to derail progress.

By Jeff St. John . 13 May 2025
Solar

Why one major solar developer isn’t worried about tariffs

Tennessee-based Silicon Ranch pulled in a $500 million equity investment this month, betting on its ability to build solar farms despite political headwinds.

By Julian Spector . 24 April 2025