Clean energy

Policy & regulation

The tax code change unleashing $25B in clean energy investment

The Inflation Reduction Act’s transferability provision is expanding opportunities to turn the value of clean energy tax credits into real-world projects.

By Jeff St. John . 28 October 2024

Clean energy

Chart: What's the top source of electricity in your state?

Twelve states now generate the largest share of their power from zero-carbon sources — wind, hydro or nuclear. The rest still rely most heavily on fossil fuels.

By Maria Virginia Olano . 16 December 2022
Solar

Floating solar panels could unlock clean power without wasting land

Scientists say "floatovoltaics" hold promise, especially on hydropower reservoirs — but the environmental impacts are still unclear.

By Sofia Moutinho . 15 December 2022
Nuclear

Fusion breakthrough thrills physicists, but won’t power your home soon

A nuclear fusion milestone (with frickin’ laser beams!) is a big deal. Alas, it could be decades before fusion might actually help clean up our energy system.

By Eric Wesoff . 13 December 2022
Solar

A 100MW solar farm in Texas will mount panels directly on the ground

Startup Erthos says its "earth-mount" approach can reduce utility-scale solar costs by up to 20% by eliminating steel racking.

By Eric Wesoff . 8 December 2022
Podcast

Solving the conundrum of industrial heat

New industrial heating technologies could help cut emissions in one of the most difficult sectors to decarbonize.

Play

By Shayle Kann . 47 min . 8 December 2022
Transmission

A giant clean-energy transmission line to New York City is now underway

Construction has begun on the 339-mile Champlain Hudson Power Express, which will deliver Canadian hydropower to NYC as the city retires fossil fuel plants.

By Maria Gallucci . 1 December 2022
Batteries

Kore Power raises $75M to build lithium-ion battery cells in Arizona

Federal tax credits and incentives are driving a boom in U.S. battery manufacturing. This U.S.-based battery maker wants in.

By Jeff St. John . 30 November 2022
Transmission

NY project will use high-tech sensors to get more clean energy onto grid

National Grid and LineVision are expanding the capacity of New York’s grid to carry greater amounts of wind power. Why aren’t more U.S. utilities doing the same?

By Jeff St. John . 29 November 2022
Food and farms

Tomatoes and solar panels could go well together

Agrivoltaics — agriculture paired with solar arrays — could help the U.S. tomato industry in increasingly hot and dry regions, research suggests.

By Kari Lydersen . 29 November 2022
Marine transport

How to clean up the dirty ports that handle our Black Friday junk

A new initiative gives report cards to the world’s top ports to show how they’re leading, or falling short, on efforts to decarbonize cargo shipping.

By Maria Gallucci . 25 November 2022