Weston RICE
Marathon County, Wisconsin · EIA plant ID 66059 · Operator: Wisconsin Public Service Corp
Nameplate132MWSummer 132 MW
Generators7in service
Net generation144GWh12 mo to Dec 2025
Capacity factor13%gas/coal/oil units, summer MW
Heat rate8,475Btu/kWhfossil units, electric fuel, HHV
First online2023Runs as peaking
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), gas/coal/oil 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2023 | 48.9 | 8.4% | 8,600 |
| 2024 | 85.5 | 7.4% | 8,488 |
| 2025 | 144.5 | 12.5% | 8,475 |
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 |
|---|---|---|---|---|---|---|---|---|
| W11 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W12 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W13 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W14 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W15 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W16 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
| W17 | Natural Gas Internal Combustion Engine | IC | 18.8 | 18.8 | Jul 2023 | Operating | — | coming soon |
Owner / operator
Operator: Wisconsin Public Service Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Wisconsin Public Service Corp | 50.0% | 66 MW |
| Wisconsin Electric Power Co | 50.0% | 66 MW |
Nearby plants
Within 80 km.
| Weston | 946 MW | 0.5 km |
| Domtar Paper Company Rothschild | 1 MW | 4 km |
| Rothschild Biomass Cogen Facility | 58 MW | 4 km |
| Mosinee Mill | 23 MW | 8.2 km |
| Wausau | 5 MW | 11.3 km |
| Du Bay | 7 MW | 21.3 km |