Leaf River Cellulose LLC
Perry County, Mississippi · EIA plant ID 10233 · Operator: Leaf River Cellulose LLC
Nameplate50MWSummer 52 MW
Generators2in service
Net generation403GWh12 mo to Aug 2026
Capacity factor84%other units, summer MW
Heat rate5,076Btu/kWhfossil units, electric fuel, HHV
First online1984
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 | 239.1 | 50.4% | 14,137 |
| 2002 | 111.2 | 25.4% | — |
| 2003 | 0 | — | — |
| 2004 | 428.2 | — | 6,447 |
| 2005 | 405.6 | — | 6,447 |
| 2006 | 416.3 | — | 6,447 |
| 2007 | 410.6 | — | 6,447 |
| 2008 | 390 | — | 6,472 |
| 2009 | 410.8 | — | 6,456 |
| 2010 | 413.9 | — | 6,431 |
| 2011 | 439.1 | — | 6,361 |
| 2012 | 438.2 | — | 6,320 |
| 2013 | 435.5 | 92.7% | 6,358 |
| 2014 | 420.2 | 90.1% | 6,447 |
| 2015 | 419.7 | 89.3% | 6,447 |
| 2016 | 430.2 | 91.6% | 5,076 |
| 2017 | 396.3 | 84.0% | 5,076 |
| 2018 | 383.5 | 81.4% | 5,076 |
| 2019 | 403.4 | 86.6% | 5,076 |
| 2020 | 408.4 | 86.5% | 5,076 |
| 2021 | 436.5 | 94.4% | 5,076 |
| 2022 | 425.8 | 91.0% | 5,076 |
| 2023 | 421.2 | 89.9% | 5,076 |
| 2024 | 432.8 | 91.8% | 5,076 |
| 2025 | 418.1 | 88.1% | 5,076 |
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 | 25.2 | 26.1 | Jul 1984 | Operating | — | coming soon |
| GEN2 | Wood/Wood Waste Biomass | ST | 25.2 | 26.1 | Jul 1984 | Operating | — | coming soon |
Owner / operator
Operator: Leaf River Cellulose LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Leaf River Cellulose LLC | 100.0% | 50 MW |
Nearby plants
Within 80 km.
| Hattiesburg Solar Farm | 50 MW | 24.6 km |
| R D Morrow | 558 MW | 33.2 km |
| Moselle | 511 MW | 39.8 km |
| Sumrall II Solar Farm | 52 MW | 45.2 km |
| Benndale | 28 MW | 45.6 km |
| Sumrall I Solar Farm | 52 MW | 46.5 km |