SMT Ironman Battery Storage Plant — Plant Summary
- EIA Plant ID
- 67737
- Capacity
- 304 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Brazoria, TX
- Operating Since
- 2025
- Generators
- 1
- Operator
- SMT Ironman BESS LLC
- Parent Company
- —
- Annual Generation
- -13,328 MWh
- Capacity Factor
- -0.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
SMT Ironman Battery Storage Plant
OperatingBESS
Ranked #27 of 256 BESS plants in TX#84 of 837 nationally
304 MW BESS operating in Brazoria, TX — Electric Reliability Council of Texas, Inc.
EIA
304 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Location
Coordinates
29.4559, -95.3113
County
Brazoria, TX
Nearby Plants
- Bocanova Energy StorageBESS150 MW · 6.3 km
- AlvinBESS9.9 MW · 6.4 km
- TortolasBESS50 MW · 6.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SMT Ironman BESS LLC | — | — |
| Owner(s) | SMT Ironman BESS LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The SMT Ironman Battery Storage Plant is a 304 MW battery energy storage system (BESS) located in Brazoria County, Texas. The plant, which began operating in 2025, has one generator and is owned and operated by SMT Ironman BESS LLC. The facility utilizes batteries as its primary fuel source, categorized under the code "MWH".
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region TRE. With a capacity of 304 MW, the SMT Ironman Battery Storage Plant is ranked as the 49th largest power plant in Texas out of 224, and 137th nationally out of 514. The battery system has a duration of 1.45 hours.
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
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue4 projectsBeta
Hastings Park BESS
OperationalBattery256.34 MWERCOT
Generation
−1.9K MWh
Net Charging
-13.3K MWh
Annual Net Energy
-0.9%
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
COSTAL
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
News & Articles (1)Beta
Deals·project finance
SMT Energy secures US$135 million for 160MW/320MWh ERCOT BESS
Developer SMT Energy has secured a US$135 million funding for its 160MW/320MWh battery energy storage system (BESS) located in Houston, Texas.
SMT Energy (developer)
Energy-Storage.News·1 years ago
Last updated 2026-03-14
View all articles