Millcreek Power Generation
Millcreek Power Generation is a 80 MW natural gas power plant in Washington County, Utah, operated by City of St George - (UT). EIA-860M lists 2 generating units here. Its units entered service between 2006 and 2010.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 80 MW
- 73.6 MW net summer
- Generating units
- 2
- In service
- 2006–2010
- EIA plant ID
- 56253
Where it is
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- County
- Washington County, Utah
- Coordinates
- 37.1121, -113.5166
- Balancing authority
- PACE
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- City of St George - (UT)
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combustion Turbine
- Status
- Operating
Millcreek Power Generation: FAQ
- Where is Millcreek Power Generation?
- In Washington County, Utah (UT). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Millcreek Power Generation?
- 80 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Millcreek Power Generation?
- EIA-860M names City of St George - (UT) as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Millcreek Power Generation LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of St George - (UT) here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Millcreek Power Generation LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Millcreek Power Generation still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.