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200 MW BESS planned in Bexar, TX — Electric Reliability Council of Texas, Inc.
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alamo City ESS LLC | — | — |
| Owner(s) | Alamo City ESS LLC | — | — |
| Status | Planned | — | — |
Alamo City ESS is a 200 MW battery energy storage system located in Bexar County, Texas. The plant's primary fuel is electricity (MWH), indicating it charges from the grid. It consists of a single generator and is operated by Alamo City ESS LLC.
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region is TRE. Alamo City ESS ranks as the 125th largest power plant in Texas out of 224, and nationally it ranks 306th out of 514.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $272.2M
Market Position
ISO/RTO Market
ERCOT
LMP Node
PAD1_ESS_RN
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP