Beethoven Wind
Bon Homme County, South Dakota · EIA plant ID 59187 · Operator: NorthWestern Energy - (SD)
Nameplate80MWSummer 80 MW
Generators1in service
Net generation282GWh12 mo to Dec 2025
Capacity factor40%wind units, summer MW
Heat rate—thermal plants only
First online2015
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) |
|---|---|---|---|
| 2015 | 177.1 | 37.6% | — |
| 2016 | 327.1 | 46.6% | — |
| 2017 | 313.4 | 44.7% | — |
| 2018 | 290.8 | 41.5% | — |
| 2019 | 283.6 | 40.5% | — |
| 2020 | 309.7 | 44.1% | — |
| 2021 | 284.4 | 40.6% | — |
| 2022 | 333.1 | 47.5% | — |
| 2023 | 274.5 | 39.2% | — |
| 2024 | 302.6 | 43.1% | — |
| 2025 | 282.3 | 40.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| B&H80 | Onshore Wind Turbine | WT | 80 | 80 | May 2015 | Operating | — | ge 1.85-87 |
Owner / operator
Operator: NorthWestern Energy - (SD). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| NorthWestern Energy - (SD) | 100.0% | 80 MW |
Nearby plants
Within 80 km.
| Fort Randall | 320 MW | 39.9 km |
| Prevailing Wind Park | 220 MW | 46.9 km |
| Gavins Point | 132 MW | 59.7 km |
| Elkhorn Ridge Wind LLC | 81 MW | 63.6 km |
| Crofton Bluffs Wind LLC | 40 MW | 65.5 km |
| Yankton | 13 MW | 66.1 km |