Where is Port Wentworth Mill?

In Chatham County, Georgia (GA). 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 Port Wentworth Mill?

72 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Port Wentworth Mill?

EIA-860M names International Paper Port Wentworth Mill 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 Port Wentworth Mill LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — International Paper Port Wentworth Mill 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 "Port Wentworth Mill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Port Wentworth Mill still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Port Wentworth Mill

Port Wentworth Mill is a 72 MW biomass power plant in Chatham County, Georgia, operated by International Paper Port Wentworth Mill. EIA-860M lists 2 generating units here. Its units entered service between 1991 and 2004.

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: 72.3 MW; 72.3 MW net summer
Generating units: 2
In service: 1991–2004
EIA plant ID: 50804

Where it is

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County: Chatham County, Georgia
Coordinates: 32.1561, -81.1586
Balancing authority: SOCO
Sector: Industrial CHP

Units, technology and status

Operator of record: International Paper Port Wentworth Mill
Primary energy source: Biomass
Technologies: Wood/Wood Waste Biomass
Status: Operating

Every plant International Paper Port Wentworth Mill reports to EIA →

Port Wentworth Mill: FAQ

Where is Port Wentworth Mill?: In Chatham County, Georgia (GA). 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 Port Wentworth Mill?: 72 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Port Wentworth Mill?: EIA-860M names International Paper Port Wentworth Mill 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 Port Wentworth Mill LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — International Paper Port Wentworth Mill 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 "Port Wentworth Mill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Port Wentworth Mill still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.