Eos Energy Enterprises added 65MWh of production capacity in the first quarter of this year.

The brother of the founder of the US’ largest homebuilder D R Horton has chosen Salient Energy’s zinc-ion battery storage system for installation in the 200,000 homes his company plans to build, saying that lithium-ion has “a lot of issues”.

e-Zinc, which claims its zinc metal-based battery technology could provide low-cost, long-duration energy storage has raised US$25 million. 

Zinc battery energy storage system provider Eos Energy Systems finished 2021 with an order backlog of US$148.7 million and a net loss for the year of US$124.2 million.

Eos Energy Enterprises has entered a master supply agreement with energy developer Bridgelink.

Eos Energy Enterprises’ leadership has claimed gross positive margins can be achieved in a year and a half. 

Eos Energy Enterprises has said that equipment and machinery will begin arriving next month as the zinc-based battery storage company expands its manufacturing facility near Pittsburgh.

Let’s take a look now and see which news stories were most read during 2021 here on the site.

Burns & McDonnell and Recurrent Energy give their takes on the key successes and challenges of the past year in energy storage.