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500 MW BESS planned in Wharton, TX — Electric Reliability Council of Texas, Inc.
500 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
29.0294, -96.2362
County
Wharton, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hecate Energy Ramsey Storage, LLC | — | — |
| Owner(s) | Hecate Energy Ramsey Storage, LLC | — | — |
| Status | Planned | — | — |
Hecate Energy Ramsey Storage is a 500 MW battery energy storage system located in Wharton County, Texas. The plant, identified by the EIA plant ID 66414, is owned and operated by Hecate Energy Ramsey Storage, LLC. It consists of a single generator utilizing battery technology and MWH as its primary fuel source.
The facility operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. According to available data, Hecate Energy Ramsey Storage ranks as the 18th largest power plant in Texas out of 224, and 64th nationally out of 514.
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: $680.5M
Point of Interconnection
Nearest Substation
Hillje Substation · 345 kV
Substation Distance
< 10 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_HOUSTON
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
View all 5 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