Westside Energy Station
Olmsted County, Minnesota · EIA plant ID 60564 · Operator: Rochester Public Utilities
Nameplate47MWSummer 47 MW
Generators5in service
Net generation57GWh12 mo to Dec 2025
Capacity factor14%gas/coal/oil units, summer MW
Heat rate8,606Btu/kWhfossil units, electric fuel, HHV
First online2018Runs 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) |
|---|---|---|---|
| 2018 | 60.2 | 17.6% | 8,419 |
| 2019 | 43.6 | 10.7% | 8,426 |
| 2020 | 34.9 | 8.6% | 8,463 |
| 2021 | 55.5 | 13.6% | 8,558 |
| 2022 | 52.4 | 12.9% | 8,589 |
| 2023 | 48.4 | 11.9% | 8,370 |
| 2024 | 37.1 | 9.1% | 8,594 |
| 2025 | 56.9 | 14.0% | 8,606 |
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 |
|---|---|---|---|---|---|---|---|---|
| WES1 | Natural Gas Internal Combustion Engine | IC | 9.3 | 9.3 | Mar 2018 | Operating | — | coming soon |
| WES2 | Natural Gas Internal Combustion Engine | IC | 9.3 | 9.3 | Mar 2018 | Operating | — | coming soon |
| WES3 | Natural Gas Internal Combustion Engine | IC | 9.3 | 9.3 | Mar 2018 | Operating | — | coming soon |
| WES4 | Natural Gas Internal Combustion Engine | IC | 9.3 | 9.3 | Mar 2018 | Operating | — | coming soon |
| WES5 | Natural Gas Internal Combustion Engine | IC | 9.3 | 9.3 | Mar 2018 | Operating | — | coming soon |
Owner / operator
Operator: Rochester Public Utilities. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Rochester Public Utilities | 100.0% | 47 MW |
Nearby plants
Within 80 km.
| Westside Solar | 10 MW | 1.6 km |
| Kalmar | — | 2.6 km |
| Hwy 14 Holdco Solar CSG | 5 MW | 3.7 km |
| IBM West | 4 MW | 3.9 km |
| 4710 Hosting | 8 MW | 4.3 km |
| Cascade Creek | 85 MW | 4.9 km |