Clean energy

Clean energy

The 10 biggest clean energy stories of 2025

A so-called energy emergency led to coal plants running past their prime, batteries and EVs had a standout year, and more of this year’s top stories.

By Kathryn Krawczyk . 19 December 2025
Clean energy

Chart: Clean energy remains dominant in the US — despite Trump

Trump spent much of 2025 boosting fossil fuels and blocking renewables, but 92% of new power additions through November were solar, wind, or batteries.

By Dan McCarthy . 19 December 2025
Clean energy

New Hampshire clean energy program goes national with federal funds

In a rare federal win, Sen. Jeanne Shaheen secured $3M to expand the program, which helps towns and small businesses adopt clean energy and save money.

By Sarah Shemkus . 18 December 2025
Green steel

Nippon Steel’s U.S. investments ‘at a crossroads’

The company intends to reline coal-fed blast furnaces in Indiana, but also has plans for greener steel production.

By Alexander C. Kaufman . 16 December 2025
Clean energy

Indiana says it’s retiring two coal plants, but is it making other plans?

The Trump administration has already ordered a Michigan coal plant to run past its retirement date. Two polluting, inefficient plants in Indiana may be next.

By Kari Lydersen . 15 December 2025
Geothermal

Chart: Geothermal energy is attracting more and more investment

There’s a wave of renewed interest in the energy source, which could help the world keep pace with rising electricity demand and decarbonization targets.

By Dan McCarthy . 12 December 2025
Geothermal

Fervo nabs $462M to complete massive next-gen geothermal project

The Houston startup is part of a growing push to harness geothermal energy with new technologies. The funding will help Fervo finish its flagship Utah plant.

By Maria Gallucci . 10 December 2025
Clean energy

New York’s public utility approves plan to build 5.5GW of renewables

The move nearly doubles NYPA’s initial renewables goal but still scales back from summer targets. The agency blames Trump’s tax-credit cuts and grid challenges.

By Alexander C. Kaufman . 9 December 2025
Geothermal

Cornell’s deep-down and rocky quest to unlock geothermal for New York

The university is drilling for geothermal energy to directly warm its campus upstate. The system could curb emissions without straining the grid.

By Maria Gallucci . 9 December 2025
Clean energy

New Jersey’s latest plan for 100% clean power comes at a tricky time

The state’s vision for a cleaner grid has support from voters — but faces serious challenges due to federal headwinds and turmoil in the PJM energy market.

By Rambo Talabong . 9 December 2025