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.

ESS Inc’s recent special purpose acquisition company (SPAC) merger, which listed the iron flow battery manufacturer’s shares and warrants on the New York Stock Exchange, has raised US$246 million cash.

US$137.4 million worth of customer orders have been booked so far this year by Eos Energy Enterprises and the zinc hybrid cathode battery storage company said that figure could reach US$300 million by the end of 2021.

A new joint venture (JV) is evaluating building battery cell gigafactories in the US, based on advanced lithium-ion technologies, formed by investor Koch Strategic Platforms and manufacturer FREYR Battery. 

Shares and warrants of iron flow battery provider ESS Inc have commenced trading on the New York Stock Exchange (NYSE). 

Eos Energy Enterprises, the NASDAQ-listed US manufacturer of zinc-based battery storage technology, has secured an equipment financing deal that will aid its efforts to increase manufacturing capacity.

US$100 million has been invested into North American lithium-ion battery recycling specialist Li-Cycle by a venture capital (VC) subsidiary of fossil fuels industry giant Koch Industries.

News in brief from around the world in energy storage.