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102.6 MW BESS operating in Pecos, TX
102.6 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
30.9244, -102.9536
County
Pecos, TX
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | St. Gall Energy Storage I | — | — |
| Owner(s) | St. Gall Energy Storage I | — | — |
| Status | Operating | — | — |
St. Gall Energy Storage I is a 102.6 MW battery energy storage system located in Pecos County, Texas. The plant began operating in 2024 and is owned and operated by St. Gall Energy Storage I. It consists of a single generator utilizing batteries as its primary fuel source, specifically lithium-ion batteries (LIB). The facility has a total storage capacity of 200 MWh, providing a duration of approximately 1.95 hours at its full rated power.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. According to state rankings, St. Gall Energy Storage I is the 195th largest power plant in Texas out of 224, and nationally it is ranked 471 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
Electric 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
−995 MWh
Net Charging
-9.9K MWh
Annual Net Energy
-1.1%
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.
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Request a demo →2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $139.6M
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Request a demo →Market Position
ISO/RTO Market
ERCOT
LMP Node
SG_BES_BESS1
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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