An event on Monday (24 June) celebrated the opening of two large-scale battery storage systems in the service area of Arizona utility Salt River Project (SRP), including the southwest US state’s largest project of its type to date.

System integrator Stem Inc and developer Prometheus Power have deployed the first of three co-located BESS projects in Arizona for utilities in the AEPCO co-operative.

Developer and IPP Leeward Renewable Energy and California utility PG&E have agreed a long-term resource adequacy (RA) agreement for a large-scale, PV co-located BESS in Arizona.

Battery energy storage system (BESS) developer-operator Plus Power has received a US$82 million tax equity investment from bank Morgan Stanley for an Arizona project.

Arizona utility Salt River Project (SRP) and renewables developer NextEra Energy Resources have commissioned a 1GWh battery energy storage system (BESS) in Buckeye, Arizona, US.

Longroad Energy has achieved financial close on a large-scale solar PV and battery storage project in Arizona, US, on which construction is already underway.

The US Department of Agriculture (USDA) is putting US$2.3 billion into projects increasing energy resiliency in rural communities, with two energy storage projects already shortlisted for awards in Arizona and Nebraska.

Developer-operator Strata Clean Energy has completed a US$559 million financing package for its 1.02GWh Scatter Wash BESS project in Arizona, US.

Multinational utility and IPP RWE has completed three co-located battery energy storage system (BESS) projects in the US, totalling 190MW/360MWh, with another 2GWh-plus under construction.

Developer and operator Strata Clean Energy has started construction on its 255MW/1,020MWh Scatter Wash BESS project in Arizona, US.