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1080 MW Natural Gas operating in Potter, TX
1,080 MW
Nameplate Capacity
3
Generators
units
Natural Gas Steam Turbine
Technology
1976
Operating Since
Coordinates
35.2982, -101.7472
County
Potter, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southwestern Public Service Co | Southwestern Public Service | — |
| Owner(s) | Southwestern Public Service Co | Xcel Energy | — |
| Status | Operating | — | — |
Harrington is a 1080 MW natural gas-fired power plant located in Potter County, Texas. The plant began operating in 1976 and consists of three natural gas steam turbine generators. It is owned by Xcel Energy and operated by Southwestern Public Service Co. Harrington is connected to the Southwest Power Pool (SPP) balancing authority and resides within the Midwest Reliability Organization (MRO) NERC region.
In the latest year of reported generation, Harrington produced 2,020,872 MWh of electricity, achieving a capacity factor of 21.3%. According to available data, the installed cost of the plant was $507.71 per kW. Harrington ranks as the 22nd largest power plant in Texas out of 144 facilities and 150th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
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.
118.6K MWh
Latest Month
2.0M MWh
Annual Generation
21.3%
Capacity Factor
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CO₂ Intensity
2367 lb/MWh
NOx
1 lb/MWh
SO₂
7 lb/MWh
CH₄
0.263 lb/MWh
N₂O
0.038 lb/MWh
Capacity Factor
33.9%
Annual Net Gen
3211 GWh
CO₂eq
2385 lb/MWh
Subregion
SPP South
Steam turbine · Southwestern Public Service Company · Data from 2015–2024
$593/kW
Installed Cost
$11/kW
Annual CapEx
$38.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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
Harrington Switchyard · 230 kV
Substation Distance
< 10 km
Operator
Xcel Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
SPS.HARRNGTN1
Pricing Hub
SPPSOUTH_HUB
Location Type
Settlement Location
Node Source
EIA-860 direct report
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 2026-04-09
View all articlesForward forecasts, scenario decomposition, and risk-decision tooling for this asset.