Climatetech finance

Nuclear

Commonwealth Fusion raises nearly $1B to chase commercial fusion power

The MIT spinout also has a deal with Google to start producing power in the 2030s, the latest sign of soaring interest in the nuclear technology.

By Maria Gallucci . 28 August 2025

Inside Commonwealth Fusion Systems' facility in Devens, Massachusetts. (CFS)

Offshore wind

‘Come to America and lose $1B’: Trump drives more offshore wind pain

Ørsted is seeking $9.4B to finish two U.S. projects, the latest in a spate of setbacks for foreign firms invested heavily in the struggling sector.

By Clare Fieseler . 19 August 2025
Energy storage

Powin fueled the US grid storage boom. Then the company crashed.

The Oregon-based battery firm filed for bankruptcy this summer, jeopardizing its 11.3 gigawatt-hours of storage projects installed around the world.

By Julian Spector . 24 July 2025
Clean energy manufacturing

US solar manufacturers face steeper hill despite some wins in budget law

Manufacturing incentives survived in the GOP budget law, but solar factories will have to navigate subdued demand and detailed new anti-China rules.

By Julian Spector . 17 July 2025
Clean energy

A cheat sheet to clean-energy tax credit changes under Trump’s new law

A whole bunch of incentives will be gone much sooner than expected. Here’s what you need to know.

By Ysabelle Kempe . 14 July 2025
Clean energy

Chart: The world is investing more in clean energy than fossil fuels

More than $2.2 trillion will go into clean energy and electrification this year, double that of fossil fuels — but it’s still not enough.

By Dan McCarthy . 11 July 2025
Clean energy

Wind and solar developers face a year of hard calls with new GOP law

Giving clean energy projects 12 months to start building and keep tax credits averted “catastrophe,” but won’t solve the energy crisis looming by decade’s end.

By Jeff St. John . 9 July 2025
Geothermal

Geothermal survives in 'big, beautiful' budget bill — but hurdles remain

The new law preserves tax credits for geothermal, an industry that’s poised to grow with next-gen tech. But anti-China rules and tariffs still pose risks.

By Maria Gallucci . 9 July 2025
Energy storage

Could the Senate budget throw a lifeline to energy storage?

Grid batteries have surged since they got their own tax credit in 2023. The Senate could spare grid storage projects while cutting incentives for wind and solar.

By Julian Spector . 19 June 2025
Hydrogen

The billion-dollar US green hydrogen boom ended before it ever began

Even before Trump and fellow Republicans began pulling the financial rug out from under the industry, green hydrogen megaprojects were collapsing. Here’s why.

By Julian Spector . 18 June 2025
Solar

Sunnova and Mosaic bankruptcies highlight deepening rooftop solar woes

High interest rates and state policy headwinds have destabilized major rooftop solar firms. The GOP’s tax credit cuts could make a bad situation worse.

By Jeff St. John . 11 June 2025