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 ESS
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
S.Korean solar, battery makers to gain edge as China scales back subsidies
China's decision to scrap export subsidies for key energy products is expected to offer tailwinds for South Korean solar energy and battery...
OCI Holdings signs energy storage agreement with CPS Energy, Vertech
OCI Holdings announced Tuesday that its US subsidiary, OCI Energy, has signed a three-party memorandum of understanding with CPS Energy, a Texas-based energy...
Texas to receive major power grid boost as massive new battery system takes shape: 'Crucial for meeting peak energy needs'
A new massive battery storage system is coming to San Antonio, Texas, and it will play a crucial role in supporting the grid.
Texas utility enters tolling agreement with OCI Energy for 120MW/480MWh BESS
San Antonio, Texas, utility CPS Energy and developer OCI Energy have entered into a long-term storage capacity agreement (SCA) for a 120MW/480MWh battery...
Last updated 2026-03-14
View all 10 articles