St. Gall Energy Storage I — Plant Summary
- EIA Plant ID
- 66336
- Capacity
- 102.6 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Pecos, TX
- Operating Since
- 2024
- Generators
- 1
- Operator
- St. Gall Energy Storage I
- Parent Company
- —
- Annual Generation
- -9,930 MWh
- Capacity Factor
- -1.1%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
St. Gall Energy Storage I
OperatingBESS
Ranked #137 of 256 BESS plants in TX#296 of 837 nationally
102.6 MW BESS operating in Pecos, TX — Electric Reliability Council of Texas, Inc.
EIA
102.6 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
30.9244, -102.9536
County
Pecos, TX
Nearby Plants
- St Gall Energy Storage IIBESS100 MW · 0.0 km
- AvilaBESS160 MW · 4.2 km
- WAL897Natural Gas1.3 MW · 5.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | St. Gall Energy Storage I | — | — |
| Owner(s) | St. Gall Energy Storage I | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
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
Interconnection Queue2 projectsBeta
Longfellow BESS II
OperationalBattery105.75 MWERCOT
Generation
−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.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
SG_BES_BESS1
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Hazards·wildfire
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
NWS Midland/Odessa TX·5 days ago
Industry·corporate
Peak Energy to supply up to 4.75 GWh of sodium-ion batteries to Jupiter Power
In a major milestone for the two-year-old Series A startup and the broader stationary energy storage sector, US-based Peak Energy has signed...
Peak Energy (seller)Jupiter Power (buyer)
ESS News·4 months ago
Industry·corporate
GridStor, Flatiron Energy, and Jupiter Power advance US BESS projects totalling 1.6GWh
Three US battery energy storage system (BESS) developers, GridStor, Flatiron, and Jupiter Power, have advanced BESS projects totalling...
GridStor (developer)Flatiron Energy (developer)
Energy-Storage.News·6 months ago
Regulatory·permitting
Jupiter Battery Storage Proposal That Threatens Residents Moved To Public Hearing Under Public Pressure
The Real Story – A Column By Dirk Knudsen. The Hillsboro Herald has covered the pending approval for a massive Lithium-Ion Battery Storage...
Jupiter Battery Storage (other)Dirk Knudsen (other)
The Hillsboro Herald·6 months ago
Last updated 2026-03-21
View all 10 articles