Articles

Heat pumps

States get a blueprint to speed up heat-pump adoption

A new report offers more than 50 useful strategies for states to help residents replace fossil-fuel-burning furnaces and water heaters with cleaner heat pumps.

By Alison F. Takemura . 24 September 2025
Clean industry

Glassmaking needs lots of heat. Can electric furnaces provide it?

Glass-melting furnaces reach over 3,000°F. Most of that heat comes from burning fossil gas, but some manufacturers are looking to slash emissions by electrifying.

By Maria Gallucci . 24 September 2025
Offshore wind

Revolution Wind’s stop-work order has been lifted. What happens next?

When it comes to blocking offshore wind projects, the Trump administration’s current legal strategy may be undermining its chance of success.

By Clare Fieseler . 23 September 2025
Solar

Plug-in solar bills are in the works in New Hampshire and Vermont

DIY "balcony" solar kits, which can save residents money and give them more independence, are piquing interest from lawmakers on both sides of the aisle.

By Sarah Shemkus . 23 September 2025
Energy markets

New California law could expand energy trading across the West

Backers of a Western trading market say it could save billions and boost renewables. After years of delays, California is moving forward with the idea.

By Jeff St. John . 23 September 2025
Energy efficiency

Cuts to Rhode Island energy-efficiency plan bad for residents, study says

Rhode Island has long led on efficiency. A proposal to slash funding may cost the state $90 million in benefits — while saving each household less than $2 a month.

By Sarah Shemkus . 22 September 2025
Utilities

Utilities are doing even worse on climate than they were five years ago

Major U.S. utilities earn an "F" on a new report card because they're planning to build far too little clean energy and far too many gas-fired power plants.

By Jeff St. John . 22 September 2025
Solar

Solar and batteries had a record-setting, grid-stabilizing summer in Texas

Solar has set 17 power generation records in Texas so far this year, shoring up the grid alongside batteries as some gas plant developers step back.

By Kathryn Krawczyk . 19 September 2025
Virtual power plants

Can virtual power plants relieve hot spots on neighborhood power grids?

PG&E, Sunrun, and Span are testing how rooftop solar, batteries, and other resources can ease stressed-out local grid circuits as a way to avoid expensive upgrades.

By Jeff St. John . 19 September 2025
Solar

Chart: See how solar is booming globally

The world installed 64% more solar in the first half of this year than it did in the first half of last year. The driving force? China.

By Dan McCarthy . 19 September 2025