Rock Aetna Power Partners
Murray County, Minnesota · EIA plant ID 65713 · Operator: Northern States Power Co - Minnesota
Nameplate20MWSummer 20 MW
Generators1in service
Net generation84GWh12 mo to Dec 2025
Capacity factor48%wind units, summer MW
Heat rate—thermal plants only
First online2022
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), wind units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2022 | 0 | 0.0% | — |
| 2023 | 79.3 | 45.3% | — |
| 2024 | 82.3 | 46.8% | — |
| 2025 | 84.2 | 48.1% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 32005 | Onshore Wind Turbine | WT | 20 | 20 | Dec 2022 | Operating | — | ge 2.72-116 |
Owner / operator
Operator: Northern States Power Co - Minnesota. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Northern States Power Co - Minnesota | 100.0% | 20 MW |
Nearby plants
Within 80 km.
| Ridgewind | 25 MW | 1.1 km |
| Chanarambie Power Partners, LLC | retired | 1.4 km |
| Northern Wind | 100 MW | 1.4 km |
| Windcurrent Farms LLC | 2 MW | 2.1 km |
| Fey Windfarm LLC | 2 MW | 2.3 km |
| Woodstock Windfarm | 9 MW | 4.6 km |