Closed-loop pumped hydro energy storage (PHES) has fewer emissions associated with its development, construction and use than other leading options for large-scale energy storage.
The domestic manufacturing capabilities of US flow battery providers ESS Inc and Stryten Energy have been celebrated by senior state politicians in Oregon and Georgia respectively.
US electric utility Xcel Energy has launched a request for proposals (RFP) for solar and battery storage projects to replace its Allen S. King coal-fired power plant in the US state of Minnesota.
A recent draft final rule on reforms of grid interconnection processes from US regulator FERC has been welcomed by the energy storage industry, although many hurdles still remain.
