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348 MW BESS under construction in Fannin, TX — Electric Reliability Council of Texas, Inc.
348 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
33.6109, -96.3718
County
Fannin, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Platinum Energy Storage LLC | — | — |
| Owner(s) | Platinum Energy Storage LLC | — | — |
| Status | Under construction | — | — |
Platinum Storage is a 348 MW battery energy storage system located in Fannin County, Texas. The plant is owned and operated by Platinum Energy Storage LLC. It interconnects to the Electric Reliability Council of Texas (ERCOT) balancing authority.
The facility consists of a single generator and ranks as the 36th largest power plant in Texas out of 224, and 118th nationally out of 514. The plant's primary fuel is electricity (MWH), which it uses to charge its batteries.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $473.6M
Point of Interconnection
Nearest Substation
Valley South Substation · 345 kV
Substation Distance
0.285 km
Operator
Oncor
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
PLATINUM_RN
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
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