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194 MW Natural Gas operating in Denver, CO — Public Service Company of Colorado
194 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Coordinates
39.6692, -105.0018
County
Denver, CO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SWG Arapahoe, LLC | SWG Arapahoe | — |
| Owner(s) | SWG Arapahoe, LLC | Onward Energy Holdings | — |
| Status | Operating | — | — |
The Arapahoe Combustion Turbine Project is a 194 MW natural gas-fired combined cycle power plant located in Denver County, Colorado. The plant began operating in 2000 and consists of three generators. It is owned by Onward Energy Holdings and operated by SWG Arapahoe, LLC. The plant's balancing authority is the Public Service Company of Colorado, and it operates within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, the plant generated 310,442 MWh, achieving a capacity factor of 18.2%. The Arapahoe Combustion Turbine Project is ranked as the 16th largest power plant out of 24 in Colorado, and 753rd out of 945 nationally. Financial data indicates a power purchase agreement (PPA) price of $5.71 per MWh, as reported to FERC.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Public Service Company of Colorado (PSCO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
23.8K MWh
Latest Month
310.4K MWh
Annual Generation
18.2%
Capacity Factor
CO₂ Intensity
1080 lb/MWh
NOx
0.260 lb/MWh
SO₂
0.006 lb/MWh
CH₄
0.020 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
12.9%
Annual Net Gen
219 GWh
CO₂eq
1081 lb/MWh
Subregion
WECC Rockies
SWG Arapahoe, LLC · Data from 2019–2025
$7.1/MWh
PPA Price
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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