Articles

Batteries

xAI has quietly built a massive battery at its Memphis data center hub

Company and utility execs called it the nation’s biggest battery, but details are scant. A July satellite image shows 720 Tesla Megapacks at the controversial site.

By Julian Spector . 11 September 2026
Fossil fuels

Court rules that Trump can’t force a Michigan coal plant to keep running

A long-awaited court decision finds fault with the DOE’s use of "emergency" powers to force aging, costly, polluting power plants to run past their retirement date.

By Jeff St. John . 11 September 2026
Balcony solar

Balcony solar is this year’s clean energy superstar in the US

At the start of 2026, only Utah had legalized plug-in solar. Eight other states have followed suit in an effort to help people lower their sky-high energy bills.

By Kathryn Krawczyk . 11 September 2026
Batteries

The battery era is here — and China is supplying it

Batteries are taking the energy sector by storm, whether to power vehicles or boost the grid. Most are made, and deployed, in China.

By Dan McCarthy . 11 September 2026
Hydropower

Mass. utilities and Hydro-Quebec sue each other over missing hydropower

A new power line failed to deliver promised hydroelectricity for 12 days this winter. Utilities want compensation — but Hydro-Québec says it’s the one who’s owed.

By Sarah Shemkus . 10 September 2026
Solar

Coal-to-solar project lands a rare clean-energy win in Ohio

The solar-plus-storage project faced no opposition despite growing pushback to clean energy in the state — likely because of its brownfield location.

By Kathiann M. Kowalski . 10 September 2026
Batteries

Trump emergency order casts uncertainty over grid battery growth

A sweeping yet vaguely worded national emergency declaration targeting Chinese grid tech could put gigawatts of grid battery projects on uncertain legal ground.

By Jeff St. John . 10 September 2026
Geothermal

Dig Energy completes first project with novel geothermal drilling tech

The firm just wrapped work on a heating and cooling system for a Boston office. It says its rig makes drilling cheaper, quieter, and less water-intensive.

By Sarah Shemkus . 10 September 2026
Fossil fuels

Virginia kept its climate law. Dominion sees a loophole.

To power data centers, the state's largest utility is proposing a massive 3-gigawatt gas plant that tests the limits of the Virginia Clean Economy Act.

By Elizabeth Ouzts . 9 September 2026
Data centers

Questionable data center forecasts are driving up Ohio power bills

Critics question sky-high electricity demand predictions for Ohio, which rely on ambitious data center plans and put upward pressure on utility bills.

By Kathiann M. Kowalski . 9 September 2026