A large-scale pumped hydro energy storage project in Washington State has passed a key stage of approvals, while another in South Dakota has been dropped.
Wärtsilä has revealed details of fire testing its large-scale battery storage product was put through, which the company claimed went beyond commonly accepted requirements.
Some proposed battery storage projects have been cancelled in the US and Canada since the start of this year, after facing opposition from local communities.
The US government Department of Energy is looking for public input into how US$675 million of funding for R&D into Critical Materials should be best directed.
