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154.1 MW Solar planned in Webb, TX
154.1 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
Planned: —
Planned Operation
Coordinates
27.3011, -99.4304
County
Webb, TX
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Gransolar Texas Three, LLC | Gransolar Group (GRS) | — |
| Owner(s) | Gransolar Texas Three, LLC | Gransolar Group (GRS) | — |
| Status | Planned | pre-construction | — |
GEM identifies the owner as Gransolar Group (GRS)
This entity is not yet in the GEM ownership database — chain unavailable.
Quarter Ranch Solar is a 154.1 MW solar photovoltaic power plant located in Webb County, Texas. The plant is owned and operated by Gransolar Texas Three, LLC. It utilizes fixed-tilt solar tracking technology. The plant consists of a single generator and its primary fuel source is the sun.
Quarter Ranch Solar operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. It is located in the TRE NERC region. The plant ranks as the 137th largest of 192 power plants in Texas, and 337th largest of 639 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric 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
No generation data available for this plant.
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2023
$1,543/kW
Est. Construction Cost
Total estimated cost: $237.8M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
Rio Brava Substation · 138 kV
Substation Distance
< 10 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_SOUTH
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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