Plant X — Plant Summary
- EIA Plant ID
- 3485
- Capacity
- 190.4 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Steam Turbine
- Status
- Operating
- Location
- Lamb, TX
- Operating Since
- 1964
- Generators
- 1
- Operator
- Southwestern Public Service Co
- Parent Company
- Xcel Energy
- Annual Generation
- 815,693 MWh
- Capacity Factor
- 48.7%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Plant X
OperatingNatural Gas
Ranked #124 of 313 Natural Gas plants in TX#763 of 2009 nationally
190.4 MW Natural Gas operating in Lamb, TX — Southwest Power Pool
EIAGEMWD
190.4 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Steam Turbine
Technology
1964
Operating Since
Location
Coordinates
34.1661, -102.4114
County
Lamb, TX
Nearby Plants
- TolkSub. Coal1135.8 MW · 14.8 km
- Blue Cloud Wind Energy LLCWind148.4 MW · 24.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southwestern Public Service Co | Southwestern Public Service | — |
| Owner(s) | Southwestern Public Service Co | Xcel Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Plant X is a steam–electric power plant located in the partially vegetated sandhills south of the West Texas town of Earth in Lamb County, Texas. It is owned and operated by Southwestern Public Service Company, a subsidiary of Xcel Energy.
Read more on WikipediaPlant X, located in Lamb County, Texas, is a 190.4 MW natural gas-fired power plant that began operating in 1964. The plant utilizes a single natural gas steam turbine generator. It is owned by Xcel Energy and operated by Southwestern Public Service Co, a subsidiary of Xcel. Plant X operates within the Southwest Power Pool (SPP) balancing authority and the Midcontinent Reliability Organization (MRO) NERC region.
In the most recent year with available data, Plant X generated 815,693 MWh of electricity, achieving a capacity factor of 48.7%. The plant's installed cost was $244.1 per kW, according to FERC data. Plant X is ranked 123rd out of 144 power plants in Texas and 761st out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
50.3K MWh
Latest Month
815.7K MWh
Annual Generation
48.7%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$544/kW
Installed Cost
$11.4/MWh
Operating Cost
Southwestern Public Service Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Plant X Substation · 230 kV
Substation Distance
< 10 km
Operator
Southwestern Public Service Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
SPS.PLANTX4
Pricing Hub
SPP South Hub
Node Source
EIA-860 direct report
News & Articles (10)Beta
Hazards·wildfire
Fire Weather Watch: Parmer; Castro; Swisher; Briscoe; Hall; Childress; Bailey; Lamb; Hale; Floyd; Motley; Cottle; Cochra
The Fire Weather Watch has been replaced. Please see the latest information from NWS Lubbock TX on this developing situation.
NWS Lubbock TX (other)
NWS Lubbock TX·6 days ago
Hazards·wildfire
Fire Weather Watch: Parmer; Castro; Swisher; Briscoe; Hall; Childress; Bailey; Lamb; Hale; Floyd; Motley; Cottle; Cochra
Fire Weather Watch issued March 20 at 10:32PM CDT until March 22 at 9:00PM CDT by NWS Lubbock TX
NWS Lubbock TX (other)
NWS Lubbock TX·6 days ago
Hazards·wildfire
Red Flag Warning: Parmer; Castro; Swisher; Briscoe; Hall; Childress; Bailey; Lamb; Hale; Floyd; Motley; Cottle; Cochra
Red Flag Warning issued March 20 at 10:32PM CDT until March 21 at 8:00PM CDT by NWS Lubbock TX
NWS Lubbock TX (other)
NWS Lubbock TX·6 days ago
Industry·corporate
Brent Heffington to lead energy supply operations in Texas and New Mexico
Xcel Energy (NASDAQ: XEL) is pleased to announce that Brent Heffington has been named regional vice president of Energy Supply Operations...
Brent Heffington (executive)Xcel Energy (operator)
Xcel Energy Newsroom·3 months ago
Last updated 2026-03-21
View all 10 articles