Startup Group1 is seeking to commercialise cathode materials for potassium-ion batteries, a world-first, while Northvolt is seeking to build batteries using a tree-derived carbon material lignin.
Some 5GWh of utility-scale battery energy storage was deployed in the first half of 2022, up one third while wind and solar fell 50-70%, according to American Clean Power (ACP).
Developer Cypress Creek Renewables has acquired four standalone energy storage projects totalling 400MW/600MWh in Texas, US, from Black Mountain Energy Storage (BMES).
E.ON spinout Uniper Energy Storage has received €2.75 million in EU grant funding towards a project to store hydrogen at scale in a salt cavern in Northern Germany.
Battery storage deployments on the California ISO (CAISO) grid slowed in the lead-up to the peak summer season, with no new battery energy storage connected in May and only 65MW added in June.
After falling by more than two-thirds in quarter one 2022, energy storage order intake increased 19% in quarter two for marine and energy solutions company Wärtsilä.
