Clean energy

Nuclear

Next-gen nuclear has a chicken-and-egg problem

A new report suggests that advanced reactor companies face a difficult path to success — and that the U.S. would be better off narrowing in on fewer designs.

By Alexander C. Kaufman . 20 March 2026
Batteries

Which states have the most grid batteries?

California and Texas continue to lead the way on utility-scale storage, but the sector is growing rapidly in Arizona thanks to the state’s abundant solar.

By Dan McCarthy . 13 March 2026
Data centers

Illinois to data centers: Bring your own renewables and skip the line

Proposed legislation offers perks for data centers that invest in clean energy. A broad coalition supports the bill, but details still need to be hammered out.

By Kari Lydersen . 12 March 2026
Liquefied natural gas

Why US LNG firms stand to profit from Iran war fallout

Countries may tap into America’s booming liquefied natural gas exports as Middle Eastern suppliers shutter. But renewables are a safer bet in the long run.

By Dan McCarthy . 6 March 2026
Clean energy

How Vermont’s pioneering clean heat plan fell apart

Misinformation, politics, and a complex design brought down the once-promising program, which sought to slash emissions from heating in the cold New England state.

By Sarah Shemkus . 5 March 2026
Guest essay

AI: Does not compute

Building fossil-fuel infrastructure to power data centers is a poor bet. Renewables are by far the cheaper, faster choice.

By Amory B. Lovins, Justin Locke . 2 March 2026
Clean energy

Chart: US to overwhelmingly build clean power in 2026

A federal agency says solar, battery, and wind additions will vastly outpace new gas facilities in what’s set to be a record year for power plant construction.

By Julian Spector . 27 February 2026
Solar

Balcony solar is taking state legislatures by storm

In more than half of U.S. states, Republican and Democratic lawmakers have introduced legislation that would boost adoption of DIY solar systems.

By Alison F. Takemura . 26 February 2026
Utilities

Illinois cities move to cut ties with a massive coal plant

Two communities seeking cleaner, cheaper energy are resisting pressure to extend deals that bind them to getting power from one of the nation’s dirtiest plants.

By Kari Lydersen . 26 February 2026
Batteries

Chart: Grid battery installations soared to a new high in 2025

The U.S. energy-storage sector has grown rapidly over the last few years as solar has expanded, costs have declined, and electricity demand has soared.

By Dan McCarthy . 20 February 2026