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200 MW BESS operating in Robertson, TX — Electric Reliability Council of Texas, Inc.
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
31.0983, -96.6637
County
Robertson, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tidwell Prairie | — | — |
| Owner(s) | Tidwell Prairie | — | — |
| Status | Operating | — | — |
Tidwell Prairie Storage 1 is a 200 MW battery energy storage system located in Robertson County, Texas. The plant's primary fuel is electricity (MWH), which it uses to charge and discharge its batteries. It consists of a single generator. Tidwell Prairie is the owner and operator of the facility.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. As of the latest rankings, Tidwell Prairie Storage 1 is the 128th largest power plant in Texas out of 224, and the 309th largest in the United States out of 514. The plant falls within the TRE NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−1.4K MWh
Net Charging
—
Annual Net Energy
—
Capacity Factor
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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $272.2M
Point of Interconnection
Nearest Substation
Phillips Coal Substation · 138 kV
Substation Distance
0.66 km
Operator
Brazos Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
TDWLPR_1_RN
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
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