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420 MW Natural Gas operating in Weld, CO
420 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2007
Operating Since
Coordinates
40.0922, -104.8878
County
Weld, CO
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Invenergy Services LLC | Invenergy Services | — |
| Owner(s) | Invenergy Services LLC | Invenergy | — |
| Status | Operating | — | — |
Spindle Hill Energy Center is a 420 MW natural gas-fired power plant located in Weld County, Colorado. The plant began operating in 2007 and is owned by Invenergy, with Invenergy Services LLC listed as the operator. It consists of two natural gas-fired combustion turbine generators. The plant is connected to the Public Service Company of Colorado balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of reported data, Spindle Hill Energy Center generated 705,438 MWh of electricity, achieving a capacity factor of 19.1%. The plant is ranked as the 8th largest in Colorado out of 24 plants, and nationally it is ranked 533 out of 945. Recent news coverage indicates at least one deal involving the plant.
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
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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.
17.1K MWh
Latest Month
705.4K MWh
Annual Generation
19.1%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
1292 lb/MWh
NOx
0.525 lb/MWh
SO₂
0.007 lb/MWh
CH₄
0.025 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
6.9%
Annual Net Gen
253 GWh
CO₂eq
1293 lb/MWh
Subregion
WECC Rockies
2013
$965/kW
Est. Construction Cost
Total estimated cost: $405.3M
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
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.
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