Preliminary 2025 facility recordProposed

Bay City, TX · EIA plant 69295

Duffy BESS

Duffy BESS is a storage power facility in Bay City, TX, with 236 MW of proposed capacity.

Operating capacity0 MW0 operating generators
Proposed capacity236 MW1 proposed generators
UtilityDuffy Energy Storage LLCEIA-reported operator
Balancing authorityERCOElectric Reliability Council of Texas, Inc.

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage236 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.

Read methodologyEIA-860 source