Long-duration energy storage

Form Energy raises $405M for its 100-hour iron-air batteries

The long-duration energy storage startup has raised a total of $1.2 billion. Form is expanding its West Virginia factory and working on its first deployments now.

By Jeff St. John . 9 October 2024

Form's factory in Weirton, West Virginia. (Form Energy)

Long-duration energy storage

Grid storage innovator Energy Dome closes $60M funding round

The Italian long-duration storage startup is racing to build commercial projects after proving out its CO2-based storage technology for a major Italian utility.

By Julian Spector . 20 July 2023
Podcast

A groundbreaking long-duration battery nears industrial scale

Form Energy makes an iron-air battery capable of delivering electricity for 100 hours. The startup is now preparing for high-volume manufacturing.

Play

By Stephen Lacey . 44 min . 12 July 2023
Long-duration energy storage

Form Energy closes its biggest deal yet for long-duration energy storage

The startup doesn't have any projects in commercial operation, but it has snagged another buyer with Georgia Power's order for a 15 MW/1,500 MWh iron-air battery.

By Julian Spector . 15 June 2023
Fun stuff

Canary Live Boston: Watch the event on Thurs., April 6 at 6:00 PM ET

We're broadcasting our event live from Greentown Labs in Somerville, Mass. this week.

By Nicholas Rinaldi . 5 April 2023
Hydropower

Giant 1GW pumped-hydro energy storage project enters final review

Planned for White Pine County, Nevada by developer rPlus, it would be one of the first large-scale pumped-hydro projects built in the U.S. in decades.

By Julian Spector . 8 March 2023
Long-duration energy storage

Xcel to install Form’s long-duration batteries at retiring coal plants

The utility is testing Form’s 100-hour storage tech to achieve its lofty carbon-reduction goals — and at a scale bigger than nearly any battery plant on earth.

By Julian Spector . 27 January 2023
Long-duration energy storage

Noon Energy raises $28M for a whole new kind of long-duration storage

With its carbon-based storage tech, startup Noon could be among the first to commercialize clean energy storage that can power the grid for days.

By Julian Spector . 18 January 2023
Long-duration energy storage

Form Energy to build novel iron batteries in West Virginia steel town

The extremely well-funded long-duration storage startup Form Energy found an eager partner in West Virginia’s state government.

By Julian Spector . 22 December 2022
Energy storage

Long-duration storage firm Energy Vault pivots to short-term batteries

The startup pulled in millions for its novel gravity-based storage design, but most of its deal flow these days comes from garden-variety lithium-ion batteries.

By Julian Spector . 18 November 2022
Long-duration energy storage

Long-duration energy storage to get $350M boost from Dept. of Energy

Some say it's the key to unlocking a decarbonized grid. Will a new pot of federal funding be enough to push long-duration storage into the mainstream?

By Julian Spector . 15 November 2022