Articles

Green steel

Global giant Tata Steel is using a heat battery to curb emissions

Tata Steel and startup Kraftblock say they’ve successfully deployed a thermal-energy storage system that harnesses waste heat at the Jamshedpur steel mill in India.

By Maria Gallucci . 27 February 2026
Data centers

Politicians wake up to the data center dilemma

Data centers and their immense power demand are driving discussions from the White House down to county governments — and are sure to shape this year's midterm elections.

By Kathryn Krawczyk . 27 February 2026
Energy efficiency

Massachusetts energy bill would make big cuts to energy efficiency

Advocates say the energy affordability measure is strong but for a proposed $1 billion reduction to efficiency programs that would undermine the sector without lowering bills.

By Sarah Shemkus . 27 February 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
Utilities

Ohio corruption trial traces tactics to prop up nuclear and coal plants

Former FirstEnergy execs Chuck Jones and Mike Dowling face state criminal charges connected to HB 6 bailout maneuvers, for which Ohioans are still paying the price.

By Kathiann M. Kowalski . 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
Electric vehicles

Trump’s EPA is yanking support for electric school buses

There’s $2.3 billion left unspent from a Biden-era clean school bus program. The Trump admin wants more of it to go to buses that run on fuels and not batteries.

By Marianne Lavelle . 25 February 2026
Virtual power plants

More states look to virtual power plants to fight rising electric bills

A dozen state legislatures are pushing measures to launch or expand programs that rely on customers’ thermostats, batteries, and EVs to relieve the grid.

By Jeff St. John . 25 February 2026
Batteries

Gigantic Form Energy battery to power Google data center in Minnesota

The startup has struck a deal with Xcel Energy to build a 30 gigawatt-hour battery plant that will deliver clean energy, round the clock, to a Google facility.

By Julian Spector . 24 February 2026