100 MW BESS testing in Bexar, TX — Electric Reliability Council of Texas, Inc.
100 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
29.2710, -98.4560
County
Bexar, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Bexar ESS, LLC | — | — |
| Owner(s) | Bexar ESS, LLC | — | — |
| Status | Testing | — | — |
Bexar ESS is a 100 MW battery energy storage system located in Bexar County, Texas. The plant's primary fuel is electricity (MWH), which it uses to charge its batteries. It consists of a single generator and is operated by Bexar ESS, LLC. The facility is within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region.
Bexar ESS ranks as the 222nd largest power plant in Texas out of 224 facilities, and 503rd nationally out of 514. The plant has been the subject of 10 news articles, with coverage focusing on grid-related topics (5 articles), industry news (3 articles), and deals (2 articles).
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Bexar ESSERCOT-23INR0381
No generation data available for this plant.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
OCI Alamo 1 · 138 kV
Substation Distance
1.097 km
Operator
CPS Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
RN_OCI_ALAMO
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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