SAPPI CLOQUET MILL
OperatingBiomass power plant
- Capacity
- 95 MW
- Primary fuel
- Biomass
- County
- Carlton County
- Operator
- SAPPI CLOQUET LLC
- Status
- Operating
- Commissioned
- 1929
- EIA plant ID
- 50639
- Generators
- 7
- Technology
- Wood/Wood Waste Biomass
- Net generation (2024)
- 487 GWh
- Capacity factor (2024, EIA nameplate)
- 59%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 46.7256, -92.4301
SAPPI CLOQUET MILL, a 95 MW Biomass power plant in Carlton County, Minnesota. Operated by SAPPI CLOQUET LLC, commissioned 1929.
How SAPPI CLOQUET MILL compares
With 95 MW of capacity, SAPPI CLOQUET MILL ranks 35th among the 215 operating power plants Bywatts maps in Minnesota and 2nd of the 12 operating Biomass plants in the state. It accounts for about 15% of Minnesota's operating Biomass capacity and 0.6% of all operating capacity in the state. Nationally it is the 24th-largest of the 350 operating Biomass plants in the database. Commissioned in 1929, it is older than 92% of the 200 operating Minnesota plants with a recorded commissioning year. It shares Carlton County with 4 other operating plants, including THOMSON and MOOSE LAKE.
EIA-860 lists 7 generators at the site with 95 MW of nameplate capacity, mainly wood/wood waste biomass technology. Net generation was 487 GWh in 2024 (a 59% capacity factor), up 2% from 2022. Its generators came online between 1929 and 2001.
Grid neighborhood
The nearest named substation is STINSON (161 kV), about 17.7 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by MINNESOTA POWER INC, under 0.1 miles away. Another 6 operating power plants totaling 171 MW sit within 25 miles; the largest is HIBBARD RENEWABLE ENERGY CENTER (73 MW, Biomass). Within 50 miles is one mapped data center, Duluth Missabe in Duluth, about 16.0 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
SAPPI CLOQUET MILL is a 95 MW biomass power plant in Carlton County, MN, operated by SAPPI CLOQUET LLC, commissioned in 1929. Carlton County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 38th national percentile. Lightning is the leading peril, rated Relatively Moderate by FEMA at the 92nd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Carlton County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Moderate | 92nd | 4.7 of 5 | 29.7 |
| Riverine flooding | Relatively Low | 81st | 4.2 of 5 | 0.64 |
| Heat wave | Relatively Low | 75th | 4.0 of 5 | 0.95 |
| Ice storm | Relatively Low | 59th | 3.3 of 5 | 0.50 |
| Hail | Relatively Low | 53rd | 3.1 of 5 | 2.0 |
| Winter weather | Relatively Low | 52nd | 3.1 of 5 | 23.8 |
| Wildfire | Very Low | 36th | 2.4 of 5 | <0.01 |
| Tornado | Relatively Low | 26th | 2.0 of 5 | 0.12 |
| Strong wind | Relatively Low | 9th | 1.3 of 5 | 1.4 |
| Earthquake | Very Low | 0th | 1.0 of 5 | <0.01 |
Perils not assessed in Carlton County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Carlton County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.