Plant 31 Paper Mill
Ouachita County, Louisiana · EIA plant ID 50028 · Operator: Graphic Packaging International
Nameplate84MWSummer 77 MW
Generators3in service
Net generation515GWh12 mo to Dec 2025
Capacity factor49%other units, summer MW
Heat rate11,733Btu/kWhfossil units, electric fuel, HHV
First online1964
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 | 323.4 | — | — |
| 2002 | 337 | — | — |
| 2003 | 296.2 | — | 9,770 |
| 2006 | 313.1 | — | 4,898 |
| 2007 | 316.8 | — | 4,898 |
| 2008 | 322.5 | — | 4,898 |
| 2009 | 299 | — | 4,898 |
| 2010 | 320.3 | — | 4,703 |
| 2011 | 291.5 | — | 4,704 |
| 2012 | 291.6 | — | 4,703 |
| 2013 | 300.5 | — | 4,703 |
| 2014 | 266.6 | — | 4,703 |
| 2016 | 565.9 | 73.3% | 10,150 |
| 2017 | 598.6 | 74.1% | 9,626 |
| 2018 | 601 | 69.6% | 10,482 |
| 2019 | 613.7 | 67.3% | 10,737 |
| 2020 | 575.7 | 57.9% | 10,927 |
| 2021 | 546.1 | 69.4% | 10,764 |
| 2022 | 604.4 | 67.2% | 10,899 |
| 2023 | 490.9 | 51.0% | 11,049 |
| 2024 | 523 | 48.7% | 11,354 |
| 2025 | 514.8 | 49.0% | 11,733 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN5 | Wood/Wood Waste Biomass | ST | 25 | 25 | Jan 1964 | Operating | — | coming soon |
| GEN6 | Wood/Wood Waste Biomass | ST | 20 | 20 | Jan 1977 | Operating | — | coming soon |
| GEN7 | Natural Gas Fired Combustion Turbine | GT | 39.2 | 32 | Feb 2016 | Operating | — | coming soon |
| GEN2 | Natural Gas Steam Turbine | ST | 6 | 6 | Jan 1928 | Retired Jan 2011 | — | coming soon |
| GEN3 | Natural Gas Steam Turbine | ST | 6 | 6 | Jan 1930 | Retired Jan 2011 | — | coming soon |
| GEN4 | Natural Gas Steam Turbine | ST | 6 | 6 | Jan 1948 | Retired Jan 2011 | — | coming soon |
Owner / operator
Operator: Graphic Packaging International. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Graphic Packaging International | 100.0% | 84 MW |
Nearby plants
Within 80 km.
| Lafitte Solar, LLC | 100 MW | 10.3 km |
| NRG Sterlington Power | retired | 23.4 km |
| Sterlington Solar | 49 MW | 24.2 km |
| Sterlington | 59 MW | 25.1 km |
| Ouachita | 904 MW | 25.5 km |
| Perryville Power Station | 824 MW | 25.8 km |