Energy storage

Batteries

Base Power raises $1B to get big batteries into more homes

The startup, newly valued at $13 billion, is now manufacturing batteries in Texas. It offers an affordable way for homeowners to get backup power and it helps the grid too.

By Julian Spector . 4 August 2026

A white battery box with "Base" on it, adjacent to a house — A Base Power battery system at a Houston home. (Brett Coomer/Houston Chronicle via Getty Images)

Solar

California was mostly solar-powered in May — a global first

No major economy had previously received over half its electricity from solar across an entire month. Thank the mild, sunny spring weather, and batteries.

By Dan McCarthy . 31 July 2026
Batteries

Biggest battery east of the Mississippi will help power AI complex

The 1-GWh battery project in Ohio will help suppress power prices and reduce grid strain from a nearby data center hub. The region could use a lot more systems like it.

By Julian Spector . 29 July 2026
Batteries

Want a home battery on a budget? Consider a portable, DIY system.

Power stations that recharge from the sun, a car, or a home outlet can keep appliances going in an outage. Some can even help lower electric bills.

By Alison F. Takemura . 28 July 2026
Sponsored

How Illinois’ new energy law is creating a market for Chicago properties

Illinois' new energy law is creating demand for overlooked land as battery developers seek sites for a massive storage buildout — opening new revenue opportunities for property owners.

28 July 2026
Batteries

Startup offers low-cost home batteries to Massachusetts residents

The subscription-based approach aims to make it easier and more affordable to get a backup battery in your home. And it might be catching on.

By Sarah Shemkus . 21 July 2026
Clean energy

This spring, clean energy in the US set record after record

In California, Texas, and other places, solar, wind, and batteries hit new highs. Here are the big takeaways from this year’s shoulder season.

By Julian Spector . 15 June 2026
Long-duration energy storage

Pioneering grid battery nudges California closer to 24/7 clean energy

The Tumbleweed installation just went online in Kern County. It can store clean energy and discharge it for eight hours straight, a harbinger of what’s to come.

By Julian Spector . 8 June 2026
Batteries

Why North Carolina’s electric co-ops are turning to grid batteries

From the suburbs to the barrier islands, the state’s local cooperatives are using aggregated battery systems to weather outages and protect consumers’ wallets.

By Elizabeth Ouzts . 4 June 2026
Energy storage

The hidden innovation behind Antora’s massive new heat battery

The startup is turning on a 200-battery project in South Dakota — and pioneering an electric utility rate that could help boost thermal energy storage more widely.

By Maria Gallucci . 27 May 2026
Batteries

The world is installing grid batteries at a blistering pace

A total of 112 gigawatts of batteries were deployed around the world in 2025 — 10 times the amount added just four years prior.

By Dan McCarthy . 15 May 2026