OCI Stillhouse Solar — Plant Summary
- EIA Plant ID
- 65894
- Capacity
- 210 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Under construction
- Location
- Bell, TX
- Operating Since
- —
- Generators
- 1
- Operator
- Stillhouse Solar LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
OCI Stillhouse Solar
Under constructionSolarGEM: operating
Ranked #128 of 351 Solar plants in TX#295 of 7447 nationally
210 MW Solar under construction in Bell, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
210 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Location
Coordinates
30.9676, -97.1651
County
Bell, TX
Nearby Plants
- Hermes Storage BESSBESS100.4 MW · 2.6 km
- Hermes Solar PVSolar100.4 MW · 2.9 km
- Orion III Solar ProjectSolar250 MW · 4.0 km
Ownership & Operator
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 [100%] | — |
| Status | Under construction | operating | — |
Ownership Chain
GEM identifies the owner as Matrix Renewables [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
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
Generation
22.5K MWh
Latest Month
—
Annual Generation
—
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint 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
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (4)Beta
Regulatory·state puc
Texas Lawmakers Scramble To Stop Solar Energy But It Just Keeps Coming
The solar energy is still alive and kicking in Texas, but two anti-renewables bills coul pass into law this year.
CleanTechnica·1 years ago
Deals·project finance
Matrix secures financing for 210-MW Texas solar project
Spain-based renewable energy platform Matrix Renewables has secured financing for its 210-MWac Stillhouse Solar project in Bell County, Texas.
Matrix Renewables (developer)
Renewables Now·1 years ago
Deals·m and a
OCI Energy sells 260MW ERCOT solar plant to Hyundai Engineering
US solar developer OCI Energy has sold a 260MW solar PV plant in the US state of Texas to engineering company Hyundai Engineering.
OCI Energy (seller)Hyundai Engineering (buyer)
PV Tech·1 years ago
Industry·corporate
Hyundai's 'virtual' solar for Georgia plant reflects 'backward process,' critics say
With limied options in Georgia, Hyundai has tapped Texas for 'virtual' solar power credits for its Savannah-area EV manufacturing facility.
Hyundai (other)
Savannah Morning News·1 years ago
Last updated 2026-03-14
View all articles