Stoneray Power Partners, LLC
Pipestone County, Minnesota · EIA plant ID 62269 · Operator: EDF Renewable Asset Holdings, Inc.
Nameplate100MWSummer 100 MW
Generators1in service
Net generation359GWh12 mo to Aug 2026
Capacity factor41%wind units, summer MW
Heat rate—thermal plants only
First online2019
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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) |
|---|---|---|---|
| 2019 | 318.5 | 39.7% | — |
| 2020 | 388.9 | 44.3% | — |
| 2021 | 351.6 | 40.1% | — |
| 2022 | 411.7 | 47.0% | — |
| 2023 | 321.7 | 36.7% | — |
| 2024 | 320.6 | 36.5% | — |
| 2025 | 377 | 43.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| STNRY | Onshore Wind Turbine | WT | 100 | 100 | Feb 2019 | Operating | — | siemens SWT-2.625-120 |
Owner / operator
Operator: EDF Renewable Asset Holdings, Inc.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Stoneray Power Partners, LLC | 100.0% | 100 MW |
Nearby plants
Within 80 km.
| Lake Benton II | 100 MW | 2.9 km |
| Capella Community Solar | 5 MW | 3.2 km |
| Moraine II Wind LLC | 50 MW | 4.4 km |
| Shane's Wind Machine | 1 MW | 5.2 km |
| Moraine Wind LLC | 51 MW | 6.4 km |
| Fey Windfarm LLC | 2 MW | 8.7 km |