Fort St Vrain — Plant Summary
- EIA Plant ID
- 6112
- Capacity
- 1148.5 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Weld, CO
- Operating Since
- 1996
- Generators
- 6
- Operator
- Public Service Co of Colorado
- Parent Company
- —
- Annual Generation
- 4,129,135 MWh
- Capacity Factor
- 44.7%
- Balancing Authority
- Public Service Company of Colorado
- ISO/RTO
- —
- NERC Region
- WECC
Fort St Vrain
OperatingNatural GasHybrid
Ranked #1 of 32 Natural Gas plants in CO#125 of 2009 nationally
1148.5 MW Natural Gas Fired Combined Cycle (868 MW) + Natural Gas Fired Combustion Turbine (281 MW) operating in Weld, CO — Public Service Company of Colorado
EIAWD
1,148.5 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
1996
Operating Since
Location
Coordinates
40.2461, -104.8742
County
Weld, CO
Nearby Plants
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- Mead Battery StorageBESS7.8 MW · 6.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Public Service Co of Colorado | — | — |
| Owner(s) | Public Service Co of Colorado | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Fort St. Vrain Nuclear Power Plant is a former commercial nuclear power station located near the town of Platteville in northern Colorado in the United States. It originally operated from 1979 until 1989. It had a 330 MWe high-temperature gas-cooled reactor (HTGR). The plant was decommissioned between 1989 and 1992.
Read more on WikipediaFort St Vrain is a natural gas-fired power plant located in Weld County, Colorado. The plant has a total capacity of 1148.5 MW across 6 generators, utilizing both natural gas fired combined cycle and natural gas fired combustion turbine technologies. It began operating in 1996 and is operated by Public Service Co of Colorado. Fort St Vrain is a hybrid plant and is the largest of 24 power plants in Colorado, and ranks 129th out of 945 plants nationally.
The plant operates within the Public Service Company of Colorado balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The latest annual generation data shows an output of 4,129,135 MWh, resulting in a capacity factor of 44.7%. Financial data indicates an installed cost of $522.87 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Public Service Company of Colorado
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
383.0K MWh
Latest Month
4.1M MWh
Annual Generation
44.7%
Capacity Factor
Nov 2022 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$523/kW
Installed Cost
$27.8/MWh
Operating Cost
Public Service Company of Colorado
Reporting Utility
Annual Capital & Operating Expenses
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Last updated 2026-03-14
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