WestRock Demopolis Mill
Marengo County, Alabama · EIA plant ID 54763 · Operator: WestRock Mill Company, LLC
Nameplate47MWSummer 44 MW
Generators2in service
Net generation303GWh12 mo to Dec 2025
Capacity factor73%other units, summer MW
Heat rate5,387Btu/kWhfossil units, electric fuel, HHV
First online1982
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 | 166.1 | 106.5% | — |
| 2002 | 150.6 | 91.0% | 11,044 |
| 2003 | 136.6 | 76.9% | 9,995 |
| 2004 | 185.6 | 39.5% | 4,963 |
| 2005 | 191.1 | 41.0% | 4,963 |
| 2006 | 170.1 | 67.2% | 4,963 |
| 2007 | 179.3 | 70.3% | 4,962 |
| 2008 | 199.7 | 84.8% | 4,624 |
| 2009 | 200.4 | 60.1% | 4,624 |
| 2010 | 203.8 | 65.5% | 4,630 |
| 2011 | 200.6 | 81.1% | 4,626 |
| 2012 | 139.5 | 84.6% | 4,624 |
| 2013 | 100 | 118.6% | 4,624 |
| 2014 | 153.5 | 44.5% | 4,624 |
| 2015 | 201.2 | 44.0% | 4,645 |
| 2016 | 228.9 | 51.3% | 5,387 |
| 2017 | 267.2 | 68.1% | 5,387 |
| 2018 | 292.1 | 74.6% | 5,387 |
| 2019 | 296.6 | 76.0% | 5,387 |
| 2020 | 306.7 | 78.5% | 5,387 |
| 2021 | 304.1 | 78.2% | 5,387 |
| 2022 | 312.6 | 80.3% | 5,386 |
| 2023 | 290.7 | 72.4% | 5,387 |
| 2024 | 313 | 76.1% | 5,387 |
| 2025 | 303 | 73.4% | 5,387 |
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 |
|---|---|---|---|---|---|---|---|---|
| 2TG | Wood/Wood Waste Biomass | ST | 12.5 | 8.6 | Oct 1982 | Operating | — | coming soon |
| 4TG | Wood/Wood Waste Biomass | ST | 34.9 | 34.9 | Mar 2014 | Operating | — | coming soon |
| 3TG | Wood/Wood Waste Biomass | ST | 19 | 16 | Dec 2003 | Retired May 2012 | — | coming soon |
| ITG | Wood/Wood Waste Biomass | ST | 10 | 9.2 | Oct 1957 | Retired Oct 2003 | — | coming soon |
Owner / operator
Operator: WestRock Mill Company, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| WestRock Mill Company, LLC | 100.0% | 47 MW |
Nearby plants
Within 80 km.
| Greene County | 1,288 MW | 24.6 km |
| Georgia-Pacific Consr Prods LP-Naheola | 88 MW | 25.7 km |
| Meridian III | 53 MW | 53.8 km |
| Meridian II | 5 MW | 57.8 km |
| SR Marion Junction | — | 57.8 km |
| Meridian | 9 MW | 60.1 km |