Long duration energy storage (LDES) technologies may have a difficult time competing with lithium-ion over the next decade as the latter’s cost-competitiveness at longer durations increases, possibly even to 24 hours, according to Haresh Kamath, Electric Power Research Institute (EPRI).

Californian investor-owned utility San Diego Gas & Electric has ordered a 10MW, six-hour battery energy storage system (BESS), Emerald, from Mitsubishi Power.

NYSE-listed iron flow battery group ESS Inc is expanding into Europe with its first deployments on the continent later this year.

Quidnet Energy, a provider of a novel geomechanical pumped storage (GPS) technology, has struck a 15-year commercial agreement with Texas utility CPS Energy to supply an initial 10MWh system.

ron flow battery provider ESS Inc has revealed a US$477 million net loss in 2021, in its first full-year results since becoming a publicly-traded company on the New York Stock Exchange (NYSE). 

A cap and floor regime would be the most beneficial solution for supporting long-duration energy storage in the UK, a report from KPMG has found.

California’s inclusion of US$380 million financial support for long-duration energy storage projects could “activate” up to 20 projects in the US state, which has a “tremendous need” for energy storage. 

US$380 million in support for long-duration energy storage projects in California has been included in the state’s budget for 2022-2023. 

We hear from two US companies which are stakeholders in both the present and future of energy storage, in this fourth and final instalment of our interview series looking back at 2021 and ahead to this year and beyond.

The business case for a range of long-duration storage technologies needs to be addressed to help the US reach its decarbonisation targets, according to the Department of Energy’s director of energy storage research Dr Imre Gyuk.