Roseman
Cass County, Iowa · EIA plant ID 62130 · Operator: Roseman Energy, LLC
Nameplate2MWSummer 2 MW
Generators1in service
Net generation7GWh12 mo to Dec 2025
Capacity factor43%wind units, summer MW
Heat rate—thermal plants only
First online2017
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) |
|---|---|---|---|
| 2018 | 6.8 | 42.9% | — |
| 2019 | 6.2 | 39.0% | — |
| 2020 | 7.1 | 44.9% | — |
| 2021 | 6.3 | 39.7% | — |
| 2022 | 8.2 | 52.1% | — |
| 2023 | 6.9 | 44.0% | — |
| 2024 | 7.2 | 45.8% | — |
| 2025 | 6.8 | 43.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| ROS | Onshore Wind Turbine | WT | 1.8 | 1.8 | Feb 2017 | Operating | — | ge 1.79-100 |
Owner / operator
Operator: Roseman Energy, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Roseman Energy, LLC | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Green Energy Machine | 2 MW | 0.2 km |
| Anita | 3 MW | 8.2 km |
| Adair Wind Farm | 175 MW | 9.4 km |
| Wiota | 2 MW | 10.5 km |
| Fontanelle | 2 MW | 15.8 km |
| Morning Light Wind Farm | 111 MW | 17.6 km |