India and Spain both saw major developments in their respective pumped hydro energy storage (PHES) sectors yesterday (26 September).

Utility Puget Sound Energy has signed contracts for a solar PV project developed by Qcells and a standalone battery storage project from Brightnight and Cordelio Power in Washington, US.

California Investor-owned utility Pacific Gas & Electric is seeking regulatory approval for a four-project portfolio of hybrid solar and storage resources with over 575MW of battery storage output.

Adam Shinn, Michael Cosgrave and Ross Kiddie report on efforts to mitigate the risks of thermal runaway and the future of BESS insurance.

Hecate Energy has advanced one of its standalone battery storage facilities, in Essex County, Massachusetts, US.

Luigi Resta, president of rPlus Energies, discusses the developer’s efforts to be first past the post in building new pumped hydro energy storage projects in the US with ESN Premium.

Chinese battery manufacturer Rept Battero launched its North American subsidiary earlier this month with an event in Irvine, California, US.

Copenhagen Infrastructure Partners (CIP) has acquired a 1GWh battery storage project in Arizona, US, from developer Strata Clean Energy.

Renewables and energy storage developer rPlus Energies has broken ground on a solar PV plant in Utah, US, co-located with 1.6GWh of battery storage.

The government of Queensland has committed to investing in a factory in the Australian state that will make flow batteries based on iron electrolyte technology.