Spindle Hill Energy Center

Spindle Hill Energy Center is a 420 MW natural gas power plant in Weld County, Colorado, operated by Invenergy Services LLC. EIA-860M lists 2 generating units here. Its units entered service in 2007.

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
420 MW
270 MW net summer
Generating units
2
In service
2007
EIA plant ID
56445

Where it is

Loading map…
County
Weld County, Colorado
Coordinates
40.0922, -104.8878
Balancing authority
PSCO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Invenergy Services LLC
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combustion Turbine
Status
Operating

Every plant Invenergy Services LLC reports to EIA →

Spindle Hill Energy Center: FAQ

Where is Spindle Hill Energy Center?
In Weld County, Colorado (CO). 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 Spindle Hill Energy Center?
420 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Spindle Hill Energy Center?
EIA-860M names Invenergy Services LLC 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 Spindle Hill Energy Center LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Invenergy Services LLC 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 "Spindle Hill Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Spindle Hill Energy Center still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.