Preliminary 2025 facility recordProposed
Mesa, AZ · EIA plant 68477
Pediment BESS I
Pediment BESS I is a storage power facility in Mesa, AZ, with 250 MW of proposed capacity.
Capacity profile
Fuel and technology
OperatingNo operating capacity reported
Proposed
Storage250 MW
Reported technologiesBatteries
Source quality
Preliminary facility data
This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.