Magnolia TX — Plant Summary
- EIA Plant ID
- 64298
- Capacity
- 9.9 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Galveston, TX
- Operating Since
- 2020
- Generators
- 1
- Operator
- Engie North America
- Parent Company
- ENGIE
- Annual Generation
- -504 MWh
- Capacity Factor
- -0.6%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Magnolia TX
OperatingBESS
Ranked #220 of 256 BESS plants in TX#586 of 837 nationally
9.9 MW BESS operating in Galveston, TX — Electric Reliability Council of Texas, Inc.
EIAWD
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2020
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
Ownership Chain
About
Magnolia TX is a battery energy storage system (BESS) located in Galveston County, Texas. The plant has a total capacity of 9.9 MW and consists of a single generator utilizing lithium-ion batteries. It began operating in 2020. The facility is owned by ENGIE, a company based in France, and operated by Engie North America.
The Magnolia TX facility has a battery storage capacity of 9.9 MWh, providing a duration of 1 hour. It operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, which falls under the Texas Reliability Entity (TRE) NERC region. In terms of size, the plant ranks 293rd out of 313 power plants in Texas and 831st nationally out of 1205.
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
12.5 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−41 MWh
Net Charging
-504 MWh
Annual Net Energy
-0.6%
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 confidencePoint of Interconnection
Nearest Substation
Magnolia Substation · 138 kV
Substation Distance
0 km
Operator
Texas-New Mexico Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BRPMAGNO_RN
Pricing Hub
HB_HOUSTON
Secondary Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
Curated node match
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Last updated 2026-03-26
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