Florence Mill
Wood biomass power plant in Florence County, South Carolina. 91.5 MW of nameplate capacity across 2 generators, operated by WestRock-Florence.
Also known as WestRock Florence Mill Power Plant · EIA plant 50806
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 91.5 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 1974First generator online
- Operator
- WestRock-FlorenceEIA operator ID 18162
- Grid
- CPLEBalancing authority CPLE
- Price nodes
- None linkedNo verified ISO node
- Location
- Florence County, SC34.1497, −79.5606
- EIA plant ID
- 50806EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Florence Mill produces
Free · EIA-923Net generation, 2025
419 GWh
419,390 MWh, final
Capacity factor, 2025
Not reported
2024: 36.7%
January to July 2026
273 GWh
Provisional
Range, 2015 to 2025
334.5–467.4
GWh a year. Low 2024, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 631,054 | Not reported | 12 of 12 |
| 2001 | 644,929 | Not reported | 12 of 12 |
| 2002 | 597,329 | Not reported | 12 of 12 |
| 2003 | 710,340 | Not reported | 12 of 12 |
| 2004 | 691,837 | Not reported | 12 of 12 |
| 2005 | 667,875 | Not reported | 12 of 12 |
| 2006 | 624,970 | Not reported | 12 of 12 |
| 2007 | 555,923 | Not reported | 12 of 12 |
| 2008 | 539,981 | Not reported | 12 of 12 |
| 2009 | 525,895 | Not reported | 12 of 12 |
| 2010 | 525,251 | 55.7% | 12 of 12 |
| 2011 | 566,004 | 60.0% | 12 of 12 |
| 2012 | 555,113 | Not reported | 12 of 12 |
| 2013 | 511,286 | 54.2% | 12 of 12 |
| 2014 | 493,172 | 52.3% | 12 of 12 |
| 2015 | 441,155 | 46.8% | 12 of 12 |
| 2016 | 467,393 | 49.5% | 12 of 12 |
| 2017 | 458,431 | Not reported | 12 of 12 |
| 2018 | 440,132 | Not reported | 12 of 12 |
| 2019 | 360,376 | 39.6% | 12 of 12 |
| 2020 | 373,182 | 40.9% | 12 of 12 |
| 2021 | 370,809 | 40.8% | 12 of 12 |
| 2022 | 414,946 | 45.6% | 12 of 12 |
| 2023 | 393,850 | 43.3% | 12 of 12 |
| 2024 | 334,456 | 36.7% | 12 of 12 |
| 2025 | 419,390 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 273,424 | 57.6% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2020
Not reported
US short tons. 2019: Not reported
SO₂, 2020
Not reported
US short tons
NOx, 2020
332
US short tons
0 of 1 EPA units reported CO₂ in 2020 (16), matched to EIA plant 50806 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
249
million gallons
Consumption, 2024
215
million gallons
Source
Great Pee Dee River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.132
USGS SUI, HUC12 Bachelor Creek-Great Pee Dee River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN2 | Wood/Wood Waste Biomass | 15.0 | November 1974 |
| GEN3 | Wood/Wood Waste Biomass | 76.5 | March 1987 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists WestRock-Florence as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query Florence Mill and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Florence Mill
Questions about Florence Mill
How much power does Florence Mill produce?
Florence Mill reported 419,390 MWh (419 GWh) of net generation in 2025. From January to July 2026 it reported 273 GWh, which is provisional.
Where is Florence Mill?
Florence Mill is in Florence County, South Carolina, at 34.1497, −79.5606. It is in the Duke Energy Progress East balancing area (CPLE).
Who operates Florence Mill?
EIA-860M for August 2026 lists WestRock-Florence as the operator (EIA operator ID 18162). The operator is not always the owner.
When did Florence Mill start operating?
Its first generator began operating in November 1974, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page