Estimated: Boron / Desert Lake, eastern Kern County, California; retained approximate project-area point, not a surveyed phase boundaryAvantus
Confirmed July 20, 2026 announcement that Aratina 1 had achieved commercial operations; exact energization day is not independently established.[1]
Avantus announced commercial operations for Aratina 1 on July 20, 2026: 200 MW solar and 500 MWh storage. Its project website places the 350 MW two-phase program near Boron and Desert Lake in eastern Kern County, with Phase 1 operating and Phase 2 under construction.