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.

IPP Invenergy has put a 50MW BESS into commercial operations in Arizona, US, its 10th in the state.

Utility Tucson Electric Power (TEP) will own and operate another 200MW/800MWh BESS project in southeast Tucson, Arizona, US.

The US Department of the Interior’s Bureau of Land Management (BLM) has progressed nine hybrid solar and storage facilities located across the states of Nevada and Arizona.

Arizona utility Salt River Project has signed agreement for dispatch rights to 250MW/1,000MWh battery energy storage system (BESS) project.

US solar PV and energy storage project developer Strata Clean Energy has signed a long-term tolling agreement for a 150MW/600MWh battery storage project in Arizona, US.

US utility company Salt River Project (SRP) has launched a request for proposals for non-lithium, long-duration energy storage (LDES) demonstration projects, targeting wider deployment during the early 2030s.

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.