Energy storage

Energy storage

Chart: The US battery market is on track for its best year yet

Overall storage installations — meaning utility-scale, home, and commercial projects — grew 84 percent in Q1. Grid battery installations grew even faster.

By Dan McCarthy . 5 July 2024
Electrification

Ask these 7 questions before you buy a home battery

Rooftop solar combined with a battery can turn your home into a mini clean energy power plant. Here’s how to figure out if a home battery is right for you.

By Alison F. Takemura . 12 June 2024
Batteries

Is adding a battery to your rooftop solar worth it? Here’s how to decide

Although expensive upfront, batteries can help you get through power outages and lower your utility bills. Federal and local incentives can sweeten the deal.

By Alison F. Takemura . 30 May 2024
Energy storage

How Texas became the hottest grid battery market in the country

Battery developers love the freewheeling ERCOT system, and all the new energy storage is helping to bolster the grid. But will the good times last?

By Julian Spector . 13 May 2024
Batteries

This California city is trading an old gas plant for a giant grid battery

Calpine’s billion-dollar, 680-megawatt project in Menifee will be one of the biggest batteries in the U.S. when it comes online this summer.

By Julian Spector . 4 April 2024
Energy storage

This Kentucky coal mine could transform into pumped-hydro grid storage

With $81M from DOE, Rye Development aims to build the first pumped-hydro project on the site of a former mine to bolster the grid and revitalize the local economy.

By Julian Spector . 27 March 2024
Energy storage

Arizona just added its biggest grid battery yet, with another coming soon

The state is shoring up clean energy supply for a new Google data center during a record year nationally for energy storage installations.

By Julian Spector . 20 March 2024
Batteries

Utah developer quadruples battery storage to meet new electricity demand

As data centers and electrification increase power use across the country, it's a move that will likely become more common.

By Julian Spector . 18 March 2024
Batteries

Finally, a way to tell how clean grid batteries actually are

Batteries can’t distinguish between clean and dirty electrons — a complication for transitioning grids. A Texas battery project shows how software and standards can help.

By Jeff St. John . 18 March 2024
Energy storage

Cheap clean energy could unleash the power of thermal storage

A growing crop of startups plans to use heat and rocks to tackle some of the hardest decarbonization problems, from chemical production to long-term grid storage.

By Eric Wesoff . 29 February 2024