Hecate Energy Ramsey Storage — Plant Summary
- EIA Plant ID
- 66414
- Capacity
- 500 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Planned
- Location
- Wharton, TX
- Operating Since
- —
- Generators
- 1
- Operator
- Hecate Energy Ramsey Storage, LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Hecate Energy Ramsey Storage
PlannedBESS
Ranked #11 of 256 BESS plants in TX#48 of 837 nationally
500 MW BESS planned in Wharton, TX — Electric Reliability Council of Texas, Inc.
EIA
500 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Location
Coordinates
29.0294, -96.2362
County
Wharton, TX
Nearby Plants
- Danish Fields Solar, LLCSolar600 MW · 2.3 km
- Danish Fields StorageBESS150 MW · 2.3 km
- Aktina SolarSolar500 MW · 11.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hecate Energy Ramsey Storage, LLC | — | — |
| Owner(s) | Hecate Energy Ramsey Storage, LLC | — | — |
| Status | Planned | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
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 Queue1 projectBeta
Ramsey Storage
OperationalBattery510.4 MWERCOT
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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.
Midfield West SubstationSubstation
News & Articles (6)Beta
Grid·capacity addition
America's Grid Battery Boom is Just Getting Started
2024 was a record-breaking year for grid batteries in the US. This year developers plan to build even more storage capacity.
US (other)
Distilled | Michael Thomas·1 years ago
Grid·capacity addition
EIA Expects Explosive Growth in U.S. Battery Storage—Can America Ascend to Dominance?
Discover the role of battery storage systems in maintaining grid stability and balancing electricity supply and demand in the US.
EIA (other)US (other)
CarbonCredits.com·1 years ago
Grid·capacity addition
US to Add 43 GW of Solar and 30 GW of Battery Capacity in 2025: EIA
The US Energy Information Administration (EIA) predicts that solar power will emerge as the primary driver of electricity generation growth in 2024 and 2025.
US Energy Information Administration (other)EIA (other)
Mercomindia.com·2 years ago
Grid·capacity addition
U.S. battery storage projected to nearly double in 2024
US battery storage capacity could increase 89% by the end of 2024 if all of the planned energy storage systems reach commercial operation on schedule.
US (other)
Power Engineering·2 years ago
Last updated 2026-03-26
View all 6 articles