Gratiot County Wind LLC
Gratiot County, Michigan · EIA plant ID 58677 · Operator: Invenergy Services LLC
Nameplate110MWSummer 110 MW
Generators1in service
Net generation262GWh12 mo to Dec 2025
Capacity factor27%wind units, summer MW
Heat rate—thermal plants only
First online2012
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) |
|---|---|---|---|
| 2013 | 287.6 | 29.7% | — |
| 2014 | 295.9 | 30.6% | — |
| 2015 | 304.5 | 31.5% | — |
| 2016 | 284.1 | 29.3% | — |
| 2017 | 291.5 | 30.1% | — |
| 2018 | 286.7 | 29.6% | — |
| 2019 | 282.7 | 29.2% | — |
| 2020 | 271.6 | 28.0% | — |
| 2021 | 253.2 | 26.2% | — |
| 2022 | 285 | 29.5% | — |
| 2023 | 228.1 | 23.6% | — |
| 2024 | 228.4 | 23.5% | — |
| 2025 | 262.3 | 27.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WT | 110.4 | 110.4 | May 2012 | Operating | — | ge 1.6 XLE |
Owner / operator
Operator: Invenergy Services LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Invenergy Services LLC | 100.0% | 110 MW |
Nearby plants
Within 80 km.
| Gratiot Wind Park | 102 MW | 4 km |
| Gratiot Solar Park | — | 4.3 km |
| St Louis | 6 MW | 11.3 km |
| Meridian Wind Park | 225 MW | 11.6 km |
| Polaris Wind Park | 169 MW | 16.5 km |
| Beebe 1A | 82 MW | 17.1 km |