Rock Lake CT
Rock Lake CT is a 25 MW oil-fired power plant in Pine County, Minnesota, operated by Great River Energy. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 1978.
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
- 25 MW
- 21.5 MW net summer
- Generating units
- 1
- In service
- 1978
- EIA plant ID
- 6741
Where it is
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- County
- Pine County, Minnesota
- Coordinates
- 45.8054, -92.9718
- Balancing authority
- MISO
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Great River Energy
- Primary energy source
- Petroleum
- Technologies
- Petroleum Liquids
- Status
- Operating
Rock Lake CT: FAQ
- Where is Rock Lake CT?
- In Pine County, Minnesota (MN). 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 Rock Lake CT?
- 25 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Rock Lake CT?
- EIA-860M names Great River Energy 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 Rock Lake CT LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Great River Energy 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 "Rock Lake CT LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Rock Lake CT still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.