Port Wentworth Mill — Plant Summary
- EIA Plant ID
- 50804
- Capacity
- 72.3 MW
- Primary Fuel
- BLQ
- Technology
- Wood/Wood Waste Biomass
- Status
- Operating
- Location
- Chatham, GA
- Operating Since
- 1991
- Generators
- 2
- Operator
- International Paper Port Wentworth Mill
- Parent Company
- International Paper
- Annual Generation
- 421,035.86 MWh
- Capacity Factor
- 66.2%
- Balancing Authority
- Southern Company Services, Inc. - Trans
- ISO/RTO
- —
- NERC Region
- SERC
Port Wentworth Mill
OperatingBlack Liquor
Ranked #3 of 8 Black Liquor plants in GA#27 of 62 nationally
72.3 MW Black Liquor operating in Chatham, GA — Southern Company Services, Inc. - Trans
EIAGEMWD
72.3 MW
Nameplate Capacity
2
Generators
units
Wood/Wood Waste Biomass
Technology
1991
Operating Since
Location
Coordinates
32.1561, -81.1586
County
Chatham, GA
Nearby Plants
- Imperial Savannah LPNatural Gas11.7 MW · 1.8 km
- IKEA Savannah 490Solar2.2 MW · 2.8 km
- International Paper Savanna MillBlack Liquor154 MW · 7.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | International Paper Port Wentworth Mill | International Paper | — |
| Owner(s) | International Paper Port Wentworth Mill | International Paper | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Port Wentworth Mill is a 72.3 MW biomass power plant located in Chatham County, Georgia. The plant began operating in 1991 and is owned and operated by International Paper. It utilizes wood and wood waste biomass (BLQ) as its primary fuel source and consists of two generators. The plant's balancing authority is Southern Company Services, Inc. - Trans, and it falls within the SERC NERC region.
In the most recent year with available data, the Port Wentworth Mill generated 421,036 MWh of electricity, achieving a capacity factor of 66.2%. Among biomass plants in Georgia, it ranks 4th out of 8 facilities. Nationally, it holds the 31st position out of 66 similar plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Southern Company Services, Inc. - Trans
Grid Voltage
46 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
30.3K MWh
Latest Month
421.0K MWh
Annual Generation
66.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Industry·corporate
International Paper ignored local incentives to stay in Georgia
To many of the 1100 workers at International Paper, news that the company was permanently shuttering its plants in Coastal Georgia came as a...
International Paper (operator)
Chattanooga Times Free Press·6 months ago
Industry·corporate
International Paper ignored local incentives to stay in Georgia
Liberty County tried tax incentives, but Gov. Kemp says market forces led to 1,100 job losses in Coastal Georgia. Avatar photo...
International Paper (operator)Gov. Kemp (other)
The Current·7 months ago
Industry·corporate
International Paper’s departure creates water challenges, opportunities
The closure of International Paper's Savannah and Liberty plants will reduce pressure on the Floridan aquifer, but could increase water...
International Paper (other)
The Current·7 months ago
Industry·corporate
International Paper to close Savannah, Riceboro plants
International Paper, a longtime pillar of Coastal Georgia's economy, announced Thursday that it will permanently close its Savannah and...
International Paper (operator)
Georgia Recorder·7 months ago
Last updated 2026-03-14
View all 10 articles