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283.2 MW BESS operating in Henderson, TX — Electric Reliability Council of Texas, Inc.
283.2 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
32.2308, -95.8376
County
Henderson, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tanzanite Energy Storage LLC | — | — |
| Owner(s) | Tanzanite Energy Storage LLC | — | — |
| Status | Operating | — | — |
Tanzanite Storage is a battery energy storage system located in Henderson County, Texas. The plant has a total capacity of 283.2 MW and consists of a single generator. The primary fuel type is electricity (MWH), indicating that the facility charges and discharges from the grid. Tanzanite Energy Storage LLC operates the facility, which resides within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region.
The plant is ranked as the 57th largest in Texas out of 224 plants and 176th nationally out of 514 plants. News reports indicate some regulatory interest in the plant.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−2.7K MWh
Net Charging
—
Annual Net Energy
—
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: $385.4M
Market Position
ISO/RTO Market
ERCOT
LMP Node
TANZ_ESS_RN
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
No news articles linked yet for this plant.
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Electric 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