Commerce ESS
Bexar County, Texas · EIA plant ID 62609 · Operator: City of San Antonio - (TX)
Nameplate10MWSummer 10 MW
Generators1in service
Net generation-1GWh12 mo to Aug 2026
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2019
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2019 | -0.1 | — | — |
| 2020 | -0.8 | — | — |
| 2021 | -1 | — | — |
| 2022 | -1 | — | — |
| 2023 | -1 | — | — |
| 2024 | -0.9 | — | — |
| 2025 | -0.8 | — | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| BA1 | Batteries | BA | 10 | 10 | Jun 2019 | Operating | — | coming soon |
Owner / operator
Operator: City of San Antonio - (TX). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of San Antonio - (TX) | 100.0% | 10 MW |
Nearby plants
Within 80 km.
| Commerce Solar | 5 MW | 0 km |
| HEB_CPS00085 | 2 MW | 8.3 km |
| Leon Creek | 230 MW | 10 km |
| Covel Gardens Gas Recovery | retired | 10.4 km |
| Ferdinand Energy Center | 200 MW | 10.4 km |
| Nelson Gardens Landfill Gas to Energy | 4 MW | 12.3 km |