The U.S. Department of Energy (DOE) is proposing to provide federal funding to the San Carlos Apache Tribe (SCA) to design, develop, and install an integrated microgrid energy system, which would include a 500 kilowatt (kW) battery energy storage system (BESS), a 750 kW solar photovoltaic (PV) array, and a microgrid controller.
Office of NEPA Policy and Compliance
February 11, 2026
minute read time
The U.S. Department of Energy (DOE) is proposing to provide federal funding to the San Carlos Apache Tribe (SCA) to design, develop, and install an integrated microgrid energy system, which would include a 500 kilowatt (kW) battery energy storage system (BESS), a 750 kW solar photovoltaic (PV) array, and a microgrid controller
A previous NEPA Determination (ND) was completed for all previously defined award activities (GFO-0000170-001: exclusions A9 and B5.16, signed 6/20/2024). Since that time, the proposed installation location of the solar PV array has been modified. This ND applies to the new location.