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210 MW Solar operating in Bell, TX
210 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
30.9676, -97.1651
County
Bell, TX
Nearby Plants
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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 | Stillhouse Solar LLC | OCI Solar Power | — |
| Owner(s) | Stillhouse Solar LLC | Matrix Renewables | — |
| Status | Operating | operating | — |
GEM identifies the owner as Matrix Renewables
This entity is not yet in the GEM ownership database — chain unavailable.
OCI Stillhouse Solar is a 210 MW solar photovoltaic power plant located in Bell County, Texas. The plant's primary fuel source is the sun. It consists of a single generator and utilizes fixed-tilt solar tracking technology. Stillhouse Solar LLC is the owner and operator of the facility.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, which falls under the Texas Reliability Entity (TRE) NERC region. OCI Stillhouse Solar ranks as the 89th largest power plant in Texas out of 192, and nationally it ranks 187th out of 639 plants.
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
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
22.5K MWh
Latest Month
—
Annual Generation
—
Capacity Factor
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2023
$1,543/kW
Est. Construction Cost
Total estimated cost: $324.0M
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Point of Interconnection
Nearest Substation
Rogers Substation · 138 kV
Substation Distance
2.649 km
Operator
Oncor
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
STLHS_SL_RN
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
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.
Last updated 2026-04-19
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