Two trade associations in the US have made significant changes with the aim of advocating for policies supporting the energy storage industry at federal and state-level.

A zinc-air energy storage system (ZESS) offering 10 hours of storage is being trialled in a New York Power Authority (NYPA) project, while a US Department of Defense-funded investigation into flow batteries has moved into a physical validation and evaluation phase in Colorado.

Ameresco has completed the construction of a comprehensive energy resiliency and energy infrastructure project at the United States Marine Corps Recruit Depot (MCRD) Parris Island, South Carolina.

US energy storage designer and manufacturer SimpliPhi Energy has installed a combination of solar PV and batteries to power air-conditioning units at a school in Hawaii, with a further 1.4MWh of such projects in the pipeline.

Ameresco will build a renewable-powered microgrid at a Marine Corp facility in Parris Island, South Carolina.