Plant 31 Paper Mill

Plant 31 Paper Mill is a 84 MW biomass power plant in Ouachita County, Louisiana, operated by Graphic Packaging International. EIA-860M lists 3 generating units here, inside MISO. Its units entered service between 1964 and 2016.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
84.2 MW
77 MW net summer
Generating units
3
In service
1964–2016
EIA plant ID
50028

Where it is

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County
Ouachita County, Louisiana
Coordinates
32.4868, -92.1496
Balancing authority
MISO
Sector
Industrial CHP

Units, technology and status

Operator of record
Graphic Packaging International
Primary energy source
Biomass
Technologies
Natural Gas Fired Combustion Turbine, Wood/Wood Waste Biomass
Status
Operating

This site runs on more than one energy source. EIA-860M capacity splits: Biomass 45 MW, Natural gas 39 MW. It is filed here under Biomass, the source with the most capacity.

Every plant Graphic Packaging International reports to EIA →

Plant 31 Paper Mill: FAQ

Where is Plant 31 Paper Mill?
In Ouachita County, Louisiana (LA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Plant 31 Paper Mill?
84 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Plant 31 Paper Mill?
EIA-860M names Graphic Packaging International as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Plant 31 Paper Mill LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Graphic Packaging International here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Plant 31 Paper Mill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Plant 31 Paper Mill still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.