Energy storage

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
Energy storage

Texas will add more grid batteries than any other state in 2024

With cheap land and a competitive market irresistible to energy storage developers, the Lone Star State will even overtake California in battery deployments this year.

By Julian Spector . 26 February 2024
Clean energy

Chart: Nearly all new US power plants built in 2024 will be clean energy

Renewables, batteries and nuclear will add up to 96% of all new power capacity constructed this year, per federal data.

By Julian Spector, Maria Virginia Olano . 23 February 2024
Solar

The biggest solar-plus-storage project in the US just came online

The new California installation has nearly 2 million solar panels, more than 120,000 batteries, and an enormous amount of clean energy capacity.

By Eric Wesoff . 25 January 2024
Energy storage

Long wary of batteries, New York's now poised to go big on energy storage

Can community-scale battery installations hit the sweet spot for the country’s densest city? NineDot Energy has raised $225 million more to take a crack at it.

By Jeff St. John . 22 January 2024
Energy storage

Hawaii used rooftop solar to shore up the grid. New rules threaten that

A nation-leading virtual power plant program helped keep the lights on when Oahu's coal plant shut down. But rule changes may drive away future customers, advocates say.

By Julian Spector . 18 January 2024
Energy storage

Chart: The US grid battery fleet is about to double — again

America's energy storage industry is on a tear, installing batteries to store clean wind and solar and make the grid more reliable.

By Julian Spector, Maria Virginia Olano . 12 January 2024
Energy storage

A huge battery has replaced Hawaii's last coal plant

Plus Power’s Kapolei battery is officially online. The pioneering project is a leading example of how to shift crucial grid functions from fossil-fueled plants to clean energy.

By Julian Spector . 10 January 2024