Climatetech finance

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 Supreme Court.

By Jeff St. John . 4 August 2026

A plaque on the EPA building saying "United States Environmental Protection Agency" — (J. David Ake/Getty Images)

Nuclear

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 round.

By Alexander C. Kaufman . 4 August 2026
Geothermal

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 for years.

By Molly Taft . 4 August 2026
Climatetech finance

Antora snags $550M for heat batteries to run data centers and factories

As the California firm boots up a giant thermal battery system in South Dakota, fresh funds will help it build a second U.S. factory and more large-scale projects.

By Maria Gallucci . 30 July 2026
Nuclear

‘It’ll take more’: CFS nets another $1B to chase nuclear fusion dream

Commonwealth Fusion Systems has now raised a total of $4B to commercialize its nuclear fusion technology. It aims to bring its pilot reactor online next year.

By Alexander C. Kaufman . 30 July 2026
Geothermal

An old-school geothermal giant rides the tech’s newfound popularity

Decades-old Ormat is seizing geothermal’s superhot moment by branching into next-generation technology and expanding its traditional plants.

By Maria Gallucci . 20 July 2026
Nuclear

Holtec bets big on small nuclear reactors in its IPO filing

As it pivots from shutting down nuclear plants to building them, Holtec says small modular reactors can cut costs and speed construction. Now it has to prove it.

By Alexander C. Kaufman . 15 July 2026
Geothermal

Quaise Energy raises $134M to fuel superhot geothermal ambitions

The startup closed the first tranche of Series B funding as it pushes to build a novel geothermal plant in Oregon and advance its rock-melting drilling tech.

By Maria Gallucci . 7 July 2026
Energy efficiency

Norwegian startup raises $6M to fix this sneaky source of energy waste

Eqon makes devices that can “dim” the power consumed by electric heating cables, which factories and cities use — often inefficiently — to keep surfaces warm.

By Maria Gallucci . 24 June 2026
Geothermal

Fervo Energy’s IPO is a milestone for next-gen geothermal

The much-anticipated stock market debut netted $1.9B for Fervo, indicating strong investor interest in the around-the-clock, carbon-free promise of geothermal.

By Dan McCarthy . 13 May 2026
Green steel

US Steel to build $2B lower-carbon iron plant in Arkansas

The new "direct reduced iron" facility at Big River Steel is part of parent company Nippon Steel’s larger $11 billion investment in U.S. operations.

By Maria Gallucci . 30 April 2026