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142.5 MW Natural Gas Fired Combined Cycle (75 MW) + Natural Gas Fired Combustion Turbine (61 MW) + Petroleum Liquids (7 MW) standby in Cameron, TX — Electric Reliability Council of Texas, Inc.
142.5 MW
Nameplate Capacity
8
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Petroleum Liquids
1959
Operating Since
Coordinates
25.9133, -97.5223
County
Cameron, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brownsville Public Utilities Board | Brownsville Public Utilities Board | — |
| Owner(s) | Brownsville Public Utilities Board | Brownsville Public Utilities Board | — |
| Status | Standby | — | — |
The Silas Ray power plant, located in Cameron County, Texas, has a total capacity of 142.5 MW across 8 generators. The plant began operating in 1959 and is owned and operated by the Brownsville Public Utilities Board. While the primary fuel is listed as DFO (distillate fuel oil), the plant utilizes a hybrid technology mix including natural gas fired combined cycle, natural gas fired combustion turbine, and petroleum liquids.
Silas Ray operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. The plant's latest annual generation was 103,408 MWh, resulting in a capacity factor of 8.2%. According to available rankings, the plant is ranked 4th out of 4 similar plants in the state and 46th out of 60 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
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
5.3K MWh
Latest Month
103.4K MWh
Annual Generation
8.2%
Capacity Factor
CO₂ Intensity
1474 lb/MWh
NOx
0.572 lb/MWh
SO₂
0.007 lb/MWh
CH₄
0.026 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
10.0%
Annual Net Gen
125 GWh
CO₂eq
1476 lb/MWh
Subregion
ERCOT All
2013
$965/kW
Est. Construction Cost
Total estimated cost: $137.5M
Point of Interconnection
Nearest Substation
Power Plant Substation · 138 kV
Substation Distance
< 10 km
Operator
Brownsville Public Utilities Board
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
SILASRAY_SILAS_10
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
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