A disused paper mill in Maine, US, will host a ‘multi-day’ battery storage system as part of a major project to reinforce and upgrade the electricity grid in New England.

The CPUC has proposed the procurement of over 10GW of new energy resources, including 1GW of multi-day long-duration energy storage (LDES) and another 1GW of 12-hour-plus LDES.

Startup Photon Vault Inc proposal in response to a request for information (RFI) from Microsoft, Google and Nucor, while unsuccessful, offered what it claimed could be a first for California.

Another utility agreement has been signed by Form Energy, the US startup which claims its iron-air battery can provide sufficient stored energy to ride through multiple days of low solar or wind production.

This edition of our news in brief focuses on activities in the long-duration energy storage space.

Dominion Energy will pilot deployment of two novel non-lithium technologies designed for long-duration energy storage (LDES) applications.

Energy Vault has secured a US licensing deal for its gravity energy storage technology and awards covering its other technologies there and in Southeast Asia, it said in its Q2 results.

‘Multi-day storage’ tech company Form Energy and US utility Georgia Power have sealed a “definitive agreement” for a grid-scale project.

Enel X and Magaldi Group have begun construction on 13MWh thermal energy storage plant based on patented technology.

Form Energy has raised US$450 million from investors including ArcellorMittal, bringing the startup’s total investment to US$800 million.