Climatetech finance

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
Long-duration energy storage

US battery startup builds factory in China after nixing Kentucky plant

With $300M in new funds, EnerVenue says China is in fact the best spot to scale its NASA-inspired tech — making the firm an outlier as peers grow U.S. manufacturing.

By Julian Spector . 29 April 2026
Climatetech finance

Fervo Energy unveils new power plant details in IPO filing

The next-generation geothermal startup has over 3.6 GW of projects in its pipeline. Fervo is going public as the country clamors for clean, around-the-clock power.

By Dan McCarthy . 20 April 2026