Mansfield Mill
De Soto County, Louisiana · EIA plant ID 54091 · Operator: IPC-Mansfield Mill
Nameplate172MWSummer 117 MW
Generators4in service
Net generation823GWh12 mo to Aug 2026
Capacity factor62%other units, summer MW
Heat rate4,827Btu/kWhfossil units, electric fuel, HHV
First online1981
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), other 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 | 747.4 | 57.0% | — |
| 2002 | 768.7 | 80.2% | — |
| 2003 | 723.8 | 82.6% | 9,340 |
| 2004 | 816.5 | 84.5% | 5,749 |
| 2005 | 777.3 | 83.5% | 5,843 |
| 2006 | 784 | 86.5% | 6,051 |
| 2007 | 779 | 89.2% | 6,087 |
| 2008 | 755.9 | 74.0% | 5,629 |
| 2009 | 721.1 | 74.7% | 5,637 |
| 2010 | 775.2 | 75.4% | 5,813 |
| 2011 | 775 | 80.9% | 6,120 |
| 2012 | 776.1 | 76.1% | 5,966 |
| 2013 | 741.2 | 68.2% | 5,941 |
| 2014 | 755.1 | 72.6% | 5,947 |
| 2015 | 775.1 | 78.0% | 5,972 |
| 2016 | 806.1 | 73.7% | 4,827 |
| 2017 | 831.2 | 75.0% | 4,827 |
| 2018 | 825.1 | 71.1% | 4,827 |
| 2019 | 794.2 | 66.3% | 4,827 |
| 2020 | 935.5 | 71.7% | 4,827 |
| 2021 | 860.7 | 66.0% | 4,827 |
| 2022 | 888 | 64.8% | 4,826 |
| 2023 | 877.5 | 61.7% | 4,828 |
| 2024 | 745.9 | 53.0% | 4,831 |
| 2025 | 859.4 | 62.3% | 4,827 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Wood/Wood Waste Biomass | ST | 40 | 24.6 | Oct 1981 | Operating | — | coming soon |
| GEN2 | Wood/Wood Waste Biomass | ST | 40 | 25.6 | Dec 1981 | Operating | — | coming soon |
| GEN3 | Wood/Wood Waste Biomass | ST | 30 | 22.1 | Dec 1981 | Operating | — | coming soon |
| GEN5 | Natural Gas Fired Combustion Turbine | GT | 62 | 45 | Jul 2019 | Operating | — | coming soon |
| GEN4 | Natural Gas Fired Combustion Turbine | GT | 25 | 29.5 | Aug 1995 | Retired May 2019 | — | coming soon |
Owner / operator
Operator: IPC-Mansfield Mill. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| IPC-Mansfield Mill | 100.0% | 172 MW |
Nearby plants
Within 80 km.
| Dolet Hills | retired | 14.2 km |
| ADA Carbon Solutions Red River | 21 MW | 23.1 km |
| Dolet Hills Solar | — | 23.4 km |
| Arsenal Hill | 125 MW | 44.5 km |
| J Lamar Stall Unit | 624 MW | 44.6 km |
| International Paper Red River Mill | 79 MW | 46 km |