Elm Street Substation Generators
St. Francois County, Missouri · EIA plant ID 56597 · Operator: City of Farmington - (MO)
Nameplate6MWSummer 5 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate12,625Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as rarely runs
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) |
|---|---|---|---|
| 2006 | -0.2 | -0.5% | — |
| 2007 | -0.1 | -0.1% | — |
| 2008 | -0.1 | -0.3% | — |
| 2009 | -0.1 | -0.2% | — |
| 2010 | -0.1 | -0.2% | — |
| 2011 | -0.1 | -0.2% | — |
| 2012 | 0 | 0.1% | 9,333 |
| 2013 | 0 | 0.1% | 17,172 |
| 2014 | 0 | 0.0% | — |
| 2015 | 0 | 0.0% | — |
| 2016 | 0 | 0.0% | 12,722 |
| 2017 | 0 | 0.1% | 8,296 |
| 2018 | 0 | 0.0% | 17,000 |
| 2019 | 0 | 0.0% | 7,333 |
| 2020 | 0 | 0.1% | 13,563 |
| 2021 | 0.1 | 0.2% | 10,276 |
| 2022 | 0 | 0.1% | 13,238 |
| 2023 | 0 | 0.1% | 10,156 |
| 2024 | 0 | 0.1% | 11,500 |
| 2025 | 0 | 0.0% | 12,625 |
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 |
|---|---|---|---|---|---|---|---|---|
| EP01 | Petroleum Liquids | IC | 2 | 1.7 | Oct 2002 | Operating (Standby / backup) | — | coming soon |
| EP02 | Petroleum Liquids | IC | 2 | 1.7 | Oct 2002 | Operating (Standby / backup) | — | coming soon |
| EP03 | Petroleum Liquids | IC | 2 | 1.7 | Oct 2002 | Operating (Standby / backup) | — | coming soon |
| EP04 | Petroleum Liquids | IC | 2 | — | Oct 2002 | Retired Mar 2012 | — | coming soon |
Owner / operator
Operator: City of Farmington - (MO). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Farmington - (MO) | 100.0% | 6 MW |
Nearby plants
Within 80 km.
| Walton Street Substation | 2 MW | 1.7 km |
| Farmington Solar Farm | 3 MW | 3.1 km |
| Overall Road Station | 8 MW | 4 km |
| Fredericktown Energy Center | 28 MW | 24.9 km |
| Rush Island | retired | 41.1 km |
| Taum Sauk | 408 MW | 46.9 km |