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200 MW BESS operating in Pecos, TX — Electric Reliability Council of Texas, Inc.
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
30.9738, -102.2853
County
Pecos, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
The Hydra energy storage plant is located in Pecos County, Texas. It is owned by ENGIE, a company based in France, and operated by Engie North America. The plant has a total capacity of 200 MW and utilizes batteries as its primary fuel source, specifically lithium-ion batteries (LIB). The facility consists of one generator and has 200 MWh of battery energy storage, providing a duration of 1 hour. Hydra began operating in 2024.
Hydra operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. It is ranked as the 103rd largest plant in Texas out of 224, and nationally it is ranked 275th 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
−1.1K MWh
Net Charging
-22.0K MWh
Annual Net Energy
-1.2%
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
Bootleg Substation · 345 kV
Substation Distance
1.157 km
Operator
Southern Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BOOTLEG_UN1
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP