Millcreek Power Generation — Plant Summary
- EIA Plant ID
- 56253
- Capacity
- 80 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Washington, UT
- Operating Since
- 2006
- Generators
- 2
- Operator
- City of St George
- Parent Company
- —
- Annual Generation
- 148,882.01 MWh
- Capacity Factor
- 21.1%
- Balancing Authority
- PacifiCorp - East
- ISO/RTO
- —
- NERC Region
- WECC
Millcreek Power Generation
OperatingNatural Gas
Ranked #6 of 23 Natural Gas plants in UT#1008 of 2009 nationally
80 MW Natural Gas operating in Washington, UT — PacifiCorp - East
EIAWD
80 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2006
Operating Since
Location
Coordinates
37.1123, -113.5160
County
Washington, UT
Nearby Plants
- St George Red RockDistillate Oil14 MW · 4.7 km
- Washington City Electric GenerationNatural Gas6 MW · 8.3 km
- Solomon Generating FacilityNatural Gas14.9 MW · 10.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of St George | — | — |
| Owner(s) | City of St George | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Millcreek Power Generation is an 80 MW natural gas-fired power plant located in Washington County, Utah. The plant began operating in 2006 and consists of two natural gas-fired combustion turbine generators. It is owned and operated by the City of St George. Millcreek Power Generation is ranked 6th out of 24 power plants in Utah and 1003rd out of 1963 plants nationally.
The plant operates within the PacifiCorp - East balancing authority, which is part of the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year of data, Millcreek Power Generation produced 148,882 MWh of electricity, achieving a capacity factor of 21.1%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
0 MWh
Latest Month
148.9K MWh
Annual Generation
21.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Regulatory·federal policy
Without Weighing Costs to Public Health, EPA Rolls Back Air Pollution Standards for Coal Plants
The federal Mercury and Air Toxics Standards for coal and oil-fired power plants were strengthened during the Biden administration.
EPA (regulator)Biden administration (regulator)
Inside Climate News·2 weeks ago
General
Trump EPA official comes to Louisville power plant to tout weaker pollution rules
Mill Creek Generating Station, a coal-fired power plant operated by Louisville Gas and Electric and Kentucky Utilities,...
News From The States·4 weeks ago
General
Trump Weakens Rules Limiting Pollution from Coal Plants
In an aerial view, the Mill Creek Generating Station, a coal-fired power plant, is seen from the Valley Village neighborhood on February 14,...
AOL.com·4 weeks ago
General
Trump EPA official comes to Louisville power plant to tout weaker pollution rules
Mill Creek Generating Station, a coal-fired power plant operated by Louisville Gas and Electric and Kentucky Utilities,...
News From The States·4 weeks ago
Last updated 2026-03-14
View all 10 articles