Batteries

Batteries

Chart: Surprise — batteries got cheaper again last year

The steady downward march of lithium-ion battery prices is one of the key stories of the energy transition. The trend continued last year.

By Dan McCarthy . 6 February 2026
Climatetech finance

Lunar Energy lands $232M to boost smart home batteries

The Silicon Valley startup wants to enter new markets, like Texas, and enroll more customers in virtual power plants that make the grid more reliable and affordable.

By Jeff St. John . 4 February 2026
Solar

North Carolina may use batteries to give new life to old solar farms

A Duke Energy proposal backed by clean energy groups would let older solar farms renew their expiring contracts on favorable terms — if they build storage.

By Elizabeth Ouzts . 27 January 2026
Batteries

A Texas data center will open sooner thanks to an offline grid battery

While Eolian makes important upgrades to a 100-megawatt battery, the company will lend that grid connection to help CyrusOne’s data center get up and running.

By Julian Spector . 22 January 2026
Solar

After Helene, rural North Carolina turns to solar and battery hubs

More than a year after the storm’s devastation, clean-energy microgrids are springing up in remote areas thanks to a program that could become a national model.

By Elizabeth Ouzts . 20 January 2026
Batteries

This Brooklyn bagel shop is saving money with plug-in batteries

Startup David Energy is giving batteries to its New York City customers to help them reduce hefty demand charges on their monthly utility bills.

By Maria Gallucci, Jeff St. John . 19 January 2026
Batteries

PJM’s power-starved grid will finally get a big battery this year

Elevate Renewables just acquired a major energy storage project near Virginia’s “Data Center Alley” and plans to get it running by this summer.

By Julian Spector . 15 January 2026
Batteries

Ford is retreating from EVs — but embracing grid batteries

Amid its $20B EV failure, the storied automaker will retool a Kentucky plant to try and break into the booming energy storage sector.

By Julian Spector . 17 December 2025
Batteries

Texas’ energy market redesign could leave battery developers in limbo

ERCOT changes, billed as improving system efficiency, could cause battery owners to face unpredictable penalties — and raise prices for consumers.

By Julian Spector . 16 December 2025
Solar

Raya Power makes a solar-battery system you can put in your backyard

The startup built a compact solar-battery combo that connects directly to key household appliances, is easy to plug in, and requires no special permits.

By Jeff St. John . 12 December 2025