Hecate Energy Outpost Solar LLC — Plant Summary
- EIA Plant ID
- 68838
- Capacity
- 515 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Webb, TX
- Operating Since
- 2025
- Generators
- 1
- Operator
- Repsol Renewables NA
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Hecate Energy Outpost Solar LLC
OperatingSolar
Ranked #12 of 351 Solar plants in TX#31 of 7447 nationally
515 MW Solar operating in Webb, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
515 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Location
Coordinates
27.8592, -99.1617
County
Webb, TX
Nearby Plants
- Cuchillas PV and BESSBESS612.5 MW · 24.0 km
- Corazon Energy LLCSolar200 MW · 24.5 km
- Guajillo Energy StorageBESS228.7 MW · 27.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Repsol Renewables NA | Repsol Renewables NA | — |
| Owner(s) | Repsol Renewables NA | Repsol Renewables NA | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Repsol Renewables NA
This entity is not yet in the GEM ownership database — chain unavailable.
About
Hecate Energy Outpost Solar LLC is a 515 MW solar photovoltaic power plant located in Webb County, Texas. The plant, which began operating in 2025, utilizes fixed-tilt solar tracking technology. It has one generator and is owned and operated by Repsol Renewables NA. The plant's primary fuel source is the sun.
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. Hecate Energy Outpost Solar ranks as the 6th largest solar plant in Texas out of 192, and 16th nationally out of 639.
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
Outpost Solar
ActiveSolar517.3 MWERCOT
Generation
60.9K MWh
Latest Month
—
Annual Generation
—
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
OUTP_SLR_RN
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (3)Beta
Grid·capacity addition
Repsol completes the construction of Frye Solar in the United States, its largest solar plant
Frye Solar, located in Kress (Texas), is the largest solar project built by Repsol, with nearly one million panels, a total installed...
Repsol (developer)
Repsol·1 years ago
Grid·capacity addition
Repsol completes largest solar project yet in Texas
Repsol has completed construction of its Frye Solar project, its largest photovoltaic plant to date, with a total installed capacity of 637 MW and 570 MW...
Repsol (developer)
Solar Power World·1 years ago
Deals·m and a
Repsol enters US onshore wind market with the acquisition of ConnectGen from Quantum Capital Group
Repsol today agreed to acquire the renewable energy platform ConnectGen, with a 20,000 MW pipeline and development capabilities,...
Repsol (buyer)ConnectGen (seller)
Repsol·2 years ago
Last updated 2026-03-14
View all articles