Florence Mill

Waste power plant in South Carolina, United States of America. Approximate location 34.1497, -79.5606.

WasteSouth CarolinaUnited States of America

Florence Mill is a 104 MW waste power station in South Carolina, United States of America. It is operated by WestRock-Florence. Based on reported annual generation of 360 GWh, it can supply roughly 103k homes. It ranks #2740 of 10,938 United States of America power plants by installed capacity. Commissioned in 1982, it is around 44 years old — long-established. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

104Source-backed capacity
360GWh reported / yr
102,971homes powered
1982commissioned (~44 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050806.

Data status

Known data

FacilityFlorence Mill WRI
CountryUnited States of America · South Carolina WRI
Coordinates34.1497, -79.5606 WRI
FuelWaste WRI
MW installed capacity104 MW WRI source record; scope not independently normalised
OwnerWestRock-Florence WRI
Commissioned1982 WRI
GWh reported / yr360 GWh/yr WRI

Calculated from dataset

Capacity rank in country#2740 of 10938 calculated
Fuel-specific rank in country#8 of 551 calculated
Capacity vs country/fuel peers15.73× · 7 MW median · 551 peers calculated
Homes-powered equivalent102,971 calculated from reported generation
Climate17.1°C · HDD 1,277 derived from coordinates
Environmental severityC4 · 41/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 104 MW, Florence Mill is well above the median waste plant in United States of America (7 MW). Waste-to-energy plants burn municipal solid waste to generate electricity and heat, cutting landfill volume while recovering energy from residual waste.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 511 GWh20132014: 493 GWh20142015: 441 GWh20152016: 467 GWh20162017: 458 GWh20172018: 440 GWh20182019: 360 GWh2019511 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by WestRock-Florence.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 34.1°N — which shapes how much energy it can produce and how its output varies through the year.

17.1°Cannual mean temp
1,277heating degree-days (base 18°C)
975cooling degree-days (base 18°C)
10 melevation

Monthly mean temperature

J: 7 °CJF: 9 °CFM: 13 °CMA: 17 °CAM: 21 °CMJ: 25 °CJJ: 27 °CJA: 26 °CAS: 23 °CSO: 17 °CON: 13 °CND: 8 °CD27 °C

Heating degree-days here run 48% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 30/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
41/100environmental-severity index
19.8°Cseasonal temperature swing
60 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #8 largest waste power plant of 551 in United States of America by capacity.

United States of America has 551 waste power plants in this dataset, together about 10,154 MW of capacity.

Nearby power plants

Location

Coordinates 34.1497, -79.5606 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Florence Mill?

Florence Mill is a 104 MW source-record waste power plant in South Carolina, United States of America, commissioned in 1982.

How much electricity does Florence Mill generate?

Florence Mill generates about 360 GWh of electricity per year.

How many homes can Florence Mill power?

Its output is enough to supply roughly 102,971 homes.

Who operates Florence Mill?

Florence Mill is operated by WestRock-Florence.

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