St Joseph Energy Center
St. Joseph County, Indiana · EIA plant ID 57794 · Operator: St Joseph Energy Center LLC
Nameplate780MWSummer 715 MW
Generators3in service
Net generation5,655GWh12 mo to Aug 2026
Capacity factor90%gas/coal/oil units, summer MW
Heat rate6,746Btu/kWhfossil units, electric fuel, HHV
First online2018Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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) |
|---|---|---|---|
| 2017 | 2.4 | — | — |
| 2018 | 4,084.4 | 87.7% | 7,071 |
| 2019 | 5,617.9 | 90.8% | 6,827 |
| 2020 | 4,737.2 | 75.4% | 6,894 |
| 2021 | 4,449.8 | 71.0% | 6,939 |
| 2022 | 4,984.5 | 79.6% | 7,016 |
| 2023 | 4,996.1 | 79.8% | 6,855 |
| 2024 | 5,626.9 | 89.6% | 6,775 |
| 2025 | 5,335.2 | 85.2% | 6,779 |
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 |
|---|---|---|---|---|---|---|---|---|
| CT1 | Natural Gas Fired Combined Cycle | CT | 260 | 245 | Apr 2018 | Operating | — | coming soon |
| CT2 | Natural Gas Fired Combined Cycle | CT | 260 | 245 | Apr 2018 | Operating | — | coming soon |
| ST1 | Natural Gas Fired Combined Cycle | CA | 260 | 225 | Apr 2018 | Operating | — | coming soon |
| 2 | Natural Gas Fired Combined Cycle | CC | 670 | 642 | planned Jun 2016 | not_current | — | coming soon |
Owner / operator
Operator: St Joseph Energy Center LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Wabash Valley Power Assn, Inc | 50.0% | 390 MW |
| Hoosier Energy R E C, Inc | 50.0% | 390 MW |
Nearby plants
Within 80 km.
| OlivePV | 5 MW | 0.9 km |
| Honeysuckle Solar Farm | 150 MW | 2.6 km |
| Southeast Berrien Generating Facility | 5 MW | 17.8 km |
| Buchanan (MI) | 4 MW | 18.9 km |
| Notre Dame Hydro | 3 MW | 19.6 km |
| University of Notre Dame | 40 MW | 20.2 km |