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50 MW BESS operating in Brazoria, TX — Electric Reliability Council of Texas, Inc.
50 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
29.4325, -95.2507
County
Brazoria, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
The Tortolas energy storage facility is located in Brazoria County, Texas. The plant has a total capacity of 50 MW and began operating in 2024. It is owned by ENGIE, a company based in France, and operated by Engie North America. The facility utilizes batteries as its primary fuel source and consists of one generator.
Tortolas employs battery energy storage system (BESS) technology, with a storage capacity of 50 MWh and a duration of 1 hour. The battery chemistry is lithium-ion (LIB). The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. In terms of size, Tortolas ranks as the 238th largest power plant in Texas out of 313, and 617th nationally out of 1205.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−321 MWh
Net Charging
-5.6K MWh
Annual Net Energy
-1.3%
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: $68.0M
Market Position
ISO/RTO Market
ERCOT
LMP Node
TORT_ESS_RN
Pricing Hub
HB_HOUSTON
Alt. Hub / Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
Curated node match
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ask pi about TortolasElectric 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