avantus

March 5, 2026
Developer Avantus has closed a financing package of over US$300 million for the 100MWac/130MWdc solar, 400MWh BESS Kitt Solar and Energy Storage Project in Pinal County, Arizona, US.
July 7, 2025
Avantus has raised more than US$500 million for 200MW/500MWh Aratina 1 BESS project in Kern County, California.
June 13, 2025
Power company AES Corporation has completed construction of the 1,000MW Bellefield 1 project in Kern County, California. The project includes 500MW of solar and 500MW/2,000MWh of battery storage.
February 28, 2025
Optimiser GridBeyond has been selected to provide scheduling coordinator, trading and energy optimisation services to UK-headquartered BESS investor Gore Street Energy Storage Fund’s (GSF) 200MW Big Rock US project.
January 22, 2025
UK-headquartered battery storage investor-developer Gore Street Energy Fund (GSF) has completed energisation of the 200MW/400MWh Big Rock battery energy storage system (BESS) project in California, US.
December 12, 2024
A flurry of big solar and storage project news in the US, with Pine Gate Renewables having a huge project approved in Oregon, Avantus signing a PPA for one in Arizona with utility APS and Arevon completing one in California.
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September 16, 2024
The planning department in Imperial County, California, has progressed a solar-and-storage project from developer Avantus, which could total 500MW of solar and 500MW of BESS.
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August 6, 2024
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.

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