Highland
Madison County, Illinois · EIA plant ID 946 · Operator: City of Highland
×4 MW oil retired since 2020 (latest Mar 2023)
Nameplate14MWSummer 13 MW
Generators5in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate10,141Btu/kWhfossil units, electric fuel, HHV
First online1971Runs 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) |
|---|---|---|---|
| 2001 | 0.3 | 0.2% | 10,201 |
| 2002 | 0.5 | 0.2% | 10,311 |
| 2003 | 0.8 | 0.6% | 10,215 |
| 2004 | 0.3 | 0.2% | 10,166 |
| 2005 | 1.9 | 1.3% | 10,264 |
| 2006 | 0.5 | 0.3% | 10,601 |
| 2007 | 0.5 | 0.4% | 10,509 |
| 2008 | 0.3 | 0.2% | 9,970 |
| 2009 | 0.2 | 0.1% | 9,313 |
| 2010 | 0.2 | 0.1% | 9,940 |
| 2011 | 0.2 | 0.1% | 8,848 |
| 2012 | 0.2 | 0.1% | 19,366 |
| 2013 | 0.2 | 0.1% | 11,314 |
| 2014 | 0.3 | 0.2% | 9,271 |
| 2015 | 0.2 | 0.1% | 8,766 |
| 2016 | 0.2 | 0.1% | 10,335 |
| 2017 | 0.3 | 0.2% | 9,996 |
| 2018 | 0.3 | 0.2% | 10,034 |
| 2019 | 0.2 | 0.1% | 10,143 |
| 2020 | 0.1 | 0.1% | 9,992 |
| 2021 | 0.7 | 0.5% | 9,823 |
| 2022 | 0.2 | 0.1% | 9,915 |
| 2023 | 0.1 | 0.1% | 9,886 |
| 2024 | 0.2 | 0.2% | 10,053 |
| 2025 | 0.2 | 0.2% | 10,141 |
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 |
|---|---|---|---|---|---|---|---|---|
| IC1 | Petroleum Liquids | IC | 1.6 | 1.6 | Jul 1993 | Operating (Standby / backup) | — | coming soon |
| IC2 | Petroleum Liquids | IC | 1.6 | 1.6 | Jul 1993 | Operating (Standby / backup) | — | coming soon |
| IC3 | Petroleum Liquids | IC | 1.6 | 1.6 | Jul 1993 | Operating (Standby / backup) | — | coming soon |
| IC7 | Petroleum Liquids | IC | 4.4 | 4 | Aug 1971 | Operating (Standby / backup) | — | coming soon |
| IC8 | Petroleum Liquids | IC | 4.4 | 4 | Aug 1971 | Operating (Standby / backup) | — | coming soon |
| 10 | Petroleum Liquids | IC | 1.6 | 1.6 | Jul 1993 | not_current | — | coming soon |
| 11 | Petroleum Liquids | IC | 1.6 | 1.6 | Jul 1993 | not_current | — | coming soon |
| 5 | Natural Gas Internal Combustion Engine | IC | 2 | 2 | — | not_current | — | coming soon |
| 6 | Natural Gas Internal Combustion Engine | IC | 2 | 2 | — | not_current | — | coming soon |
| 9 | Petroleum Liquids | IC | 1.6 | 1.6 | Sep 1993 | not_current | — | coming soon |
| IC4 | Natural Gas Internal Combustion Engine | IC | 4.4 | 4.4 | — | not_current | — | coming soon |
| IC5 | Petroleum Liquids | IC | 2 | 2 | Mar 1967 | Retired Mar 2023 | — | coming soon |
| IC6 | Petroleum Liquids | IC | 2 | 2 | Jan 1968 | Retired Mar 2023 | — | coming soon |
Owner / operator
Operator: City of Highland. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Highland | 100.0% | 14 MW |
Nearby plants
Within 80 km.
| IMEA Highland | 4 MW | 0.1 km |
| Highland Solar 1, LLC | 2 MW | 1.5 km |
| Marine Solar 2, LLC | 2 MW | 10.8 km |
| Marine Solar 1, LLC | 2 MW | 10.9 km |
| Trenton CSG 1 LLC | — | 17 km |
| Trenton East Phase 2 | 2 MW | 17.6 km |