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Leaf River Cellulose LLC

Biomass power plant in Mississippi, United States of America. Approximate location 31.2434, -89.0456.

BiomassMississippiUnited States of America

Leaf River Cellulose LLC is a 50 MW biomass power plant in Mississippi, United States of America. It is operated by Leaf River Cellulose LLC. Based on reported annual generation of 403 GWh, it can supply roughly 115k homes. It ranks #3682 of 10,938 United States of America power plants by installed capacity. Commissioned in 1984, it is around 42 years old — long-established. In context, biomass supplies about 1.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

50Source-backed capacity
403GWh reported / yr
115,257homes powered
1984commissioned (~42 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0010233.

Data status

Known data

FacilityLeaf River Cellulose LLC WRI
CountryUnited States of America · Mississippi WRI
Coordinates31.2434, -89.0456 WRI
FuelBiomass WRI
MW installed capacity50 MW WRI source record; scope not independently normalised
OwnerLeaf River Cellulose LLC WRI
Commissioned1984 WRI
GWh reported / yr403 GWh/yr WRI

Calculated from dataset

Capacity rank in country#3682 of 10938 calculated
Fuel-specific rank in country#57 of 184 calculated
Capacity vs country/fuel peers2.82× · 18 MW median · 184 peers calculated
Homes-powered equivalent115,257 calculated from reported generation
Climate18.5°C · HDD 945 derived from coordinates
Environmental severityC4 · 42/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 50 MW, Leaf River Cellulose LLC is well above the median biomass plant in United States of America (18 MW). Biomass plants burn organic material such as wood, residues or waste-derived fuel to raise steam; they are dispatchable and counted as low-carbon where the feedstock is sustainably sourced.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 436 GWh20132014: 420 GWh20142015: 420 GWh20152016: 430 GWh20162017: 396 GWh20172018: 384 GWh20182019: 403 GWh2019436 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Leaf River Cellulose LLC.

Local climate & thermal context

This biomass plant burns organic material (wood, residues) to raise steam for a turbine. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 31.2°N — which shapes how much energy it can produce and how its output varies through the year.

18.5°Cannual mean temp
945heating degree-days (base 18°C)
1,129cooling degree-days (base 18°C)
66 melevation

Monthly mean temperature

J: 9 °CJF: 11 °CFM: 15 °CMA: 18 °CAM: 22 °CMJ: 26 °CJJ: 27 °CJA: 27 °CAS: 24 °CSO: 19 °CON: 14 °CND: 10 °CD27 °C

Heating degree-days here run 62% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 26/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
42/100environmental-severity index
18.1°Cseasonal temperature swing
114 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #57 largest biomass power plant of 184 in United States of America by capacity.

United States of America has 184 biomass power plants in this dataset, together about 6,324 MW of capacity.

Nearby power plants

Location

Coordinates 31.2434, -89.0456 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Leaf River Cellulose LLC?

Leaf River Cellulose LLC is a 50 MW source-record biomass power plant in Mississippi, United States of America, commissioned in 1984.

How much electricity does Leaf River Cellulose LLC generate?

Leaf River Cellulose LLC generates about 403 GWh of electricity per year.

How many homes can Leaf River Cellulose LLC power?

Its output is enough to supply roughly 115,257 homes.

Who operates Leaf River Cellulose LLC?

Leaf River Cellulose LLC is operated by Leaf River Cellulose LLC.

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