Commerce ESS — Plant Summary
- EIA Plant ID
- 62609
- Capacity
- 10 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Bexar, TX
- Operating Since
- 2019
- Generators
- 1
- Operator
- City of San Antonio - (TX)
- Parent Company
- —
- Annual Generation
- -818 MWh
- Capacity Factor
- -0.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Commerce ESS
OperatingBESS
Ranked #191 of 256 BESS plants in TX#573 of 837 nationally
10 MW BESS operating in Bexar, TX — Electric Reliability Council of Texas, Inc.
EIAWD
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2019
Operating Since
Location
Coordinates
29.4355, -98.6185
County
Bexar, TX
Nearby Plants
- Commerce SolarSolar5 MW · 0.2 km
- HEB_CPS00085Natural Gas1.6 MW · 8.2 km
- Leon CreekNatural Gas229.6 MW · 10.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of San Antonio - (TX) | — | — |
| Owner(s) | City of San Antonio - (TX) | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Commerce ESS is a 10 MW battery energy storage system located in Bexar County, Texas. The plant began operating in 2019 and has one generator utilizing batteries as its technology. The primary fuel source is listed as MWH, indicating it draws power from the grid to charge. The facility is owned and operated by City of San Antonio - (TX). It has a total storage capacity of 10 MWh, with a duration of 1 hour, and utilizes lithium-ion battery chemistry (LIB).
The Commerce ESS operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. It is ranked as the 256th largest power plant in Texas out of 313, and nationally it is ranked 783 out of 1205. Public reporting indicates the plant has been mentioned in 10 news articles, with coverage focusing on industry trends, deals, grid operations, and regulatory matters.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
34 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
−78 MWh
Net Charging
-818 MWh
Annual Net Energy
-0.9%
Capacity Factor
Jan 2023 – Dec 2025
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Southwest Research Institute Substation · 138 kV
Substation Distance
< 10 km
Operator
CPS Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
SWRI
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·ferc order
Pumped hydro, thermal, and geothermal projects advance in US
The Federal Energy Regulatory Commission issued a 40-year license for the 1,200MW Goldendale pumped hydroelectric storage project in...
Federal Energy Regulatory Commission (regulator)
Energy-Storage.News·4 weeks ago
Industry·other
Almost overnight, the US is on way to having an oversupply of ESS battery cells
As with most industries treated favorably in the Inflation Reduction Act (IRA) of 2022, the domestic energy storage market was awash with...
Solar Power World·2 months ago
Deals·other
Texas BESS: GridStor inks tolling agreement for 350 MWh project, Sunrun teams up with NRG Energy for low-cost home storage
GridStor, Sunrun, and NRG Energy are hoping their efforts in the Texas battery energy storage (BESS) market will provide flexibility for the...
GridStor (operator)Sunrun (operator)
ESS News·3 months ago
Grid·interconnection
Nostromo’s thermal ESS participates in CAISO energy market
Nostromo Energy's IceBrick thermal energy storage (TES) technology will participate in the California Independent System Operator (CAISO)...
Nostromo Energy (operator)CAISO (regulator)
Energy-Storage.News·3 months ago
Last updated 2026-03-14
View all 10 articles