Florence Mill — Plant Summary
- EIA Plant ID
- 50806
- Capacity
- 103.8 MW
- Primary Fuel
- Wood
- Technology
- Wood/Wood Waste Biomass
- Status
- Operating
- Location
- Florence, SC
- Operating Since
- 1963
- Generators
- 3
- Operator
- WestRock-Florence
- Parent Company
- Westrock
- Annual Generation
- 419,389.91 MWh
- Capacity Factor
- 46.1%
- Balancing Authority
- Duke Energy Progress East
- ISO/RTO
- —
- NERC Region
- SERC
Florence Mill
OperatingBlack LiquorWood Waste
Ranked #1 of 6 Wood Waste plants in SC#5 of 108 nationally
103.8 MW Wood Waste operating in Florence, SC — Duke Energy Progress East
EIAGEMWD
103.8 MW
Nameplate Capacity
3
Generators
units
Wood/Wood Waste Biomass
Technology
1963
Operating Since
Location
Coordinates
34.1497, -79.5606
County
Florence, SC
Nearby Plants
- Rankin Solar Center, LLCSolar10 MW · 13.0 km
- Rhubarb One SCSolar9.6 MW · 13.9 km
- Cardinal Solar LLCSolar7 MW · 17.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | WestRock-Florence | Westrock | — |
| Owner(s) | WestRock-Florence | Westrock | — |
| Status | Operating | operating | — |
Ownership Chain
About
Florence Mill is a 103.8 MW biomass power plant located in Florence County, South Carolina. The plant began operating in 1963 and is owned and operated by WestRock-Florence, a subsidiary of WestRock. The facility utilizes wood and wood waste biomass (BLQ) as its primary fuel source and consists of three generators. Florence Mill operates within the Duke Energy Progress East balancing authority and the SERC NERC region.
In the most recent year of reported data, Florence Mill generated 419,390 MWh of electricity, achieving a capacity factor of 46.1%. The plant is ranked as the second-largest biomass facility in South Carolina and the eleventh-largest in the United States, based on capacity.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Duke Energy Progress East
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
41.2K MWh
Latest Month
419.4K MWh
Annual Generation
46.1%
Capacity Factor
Jan 2023 – Dec 2025
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 (2)Beta
Industry·corporate
South Carolina Paper Mill Upgrades Lead to $5M+ in Mechanics Liens
A WestRock paper mill in South Carolina has attracted three mechanics liens valued at over $5M after undergoing large efficiency upgrade.
WestRock (operator)
Levelset·5 years ago
Industry·corporate
WestRock to invest $470M in Florence County plant
FLORENCE, SC (WBTW) – Florence County officials announced Thursday that WestRock Company plans to invest $470 million over the next five...
WestRock Company (operator)
WBTW·8 years ago
Last updated 2026-03-14
View all articles