Biron Mill
Wood County, Wisconsin · EIA plant ID 10234 · Operator: nd paper llc
Nameplate62MWSummer 55 MW
Generators4in service
Net generation114GWh12 mo to Dec 2025
Capacity factor23%gas/coal/oil units, summer MW
Heat rate11,844Btu/kWhfossil units, electric fuel, HHV
First online1947Runs as intermediate
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 225 | 40.0% | 8,321 |
| 2002 | 236 | 40.7% | 9,305 |
| 2003 | 246.2 | 42.4% | 8,739 |
| 2004 | 244.3 | 42.8% | 5,764 |
| 2005 | 235.1 | 41.8% | 5,764 |
| 2006 | 308.7 | 55.2% | 5,764 |
| 2007 | 306.6 | 54.8% | 5,764 |
| 2008 | 315.4 | 56.4% | 5,614 |
| 2009 | 273.8 | 48.9% | 5,559 |
| 2010 | 287.7 | 56.8% | 5,536 |
| 2011 | 288.8 | 55.5% | 5,536 |
| 2012 | 263.3 | 49.6% | 5,536 |
| 2013 | 245.5 | 44.2% | 5,536 |
| 2014 | 273.7 | 52.5% | 5,537 |
| 2015 | 272 | 49.8% | 5,536 |
| 2016 | 203.6 | 36.7% | 11,373 |
| 2017 | 152.6 | 31.5% | 11,844 |
| 2018 | 172.7 | 35.6% | 11,844 |
| 2019 | 164.2 | 33.9% | 11,844 |
| 2020 | 198.8 | 40.9% | 11,844 |
| 2021 | 217.1 | 44.8% | 11,844 |
| 2022 | 198.8 | 41.0% | 11,844 |
| 2023 | 185.5 | 38.3% | 11,844 |
| 2024 | 95.7 | 19.7% | 11,843 |
| 2025 | 113.7 | 23.5% | 11,844 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Conventional Steam Coal | ST | 17 | 15.3 | Sep 1964 | Operating (Out of service, expected back within the year) | — | coming soon |
| GEN3 | Natural Gas Steam Turbine | ST | 7.5 | 7.5 | Sep 1947 | Operating | — | coming soon |
| GEN4 | Natural Gas Steam Turbine | ST | 15.6 | 12.5 | Oct 1957 | Operating (Out of service, expected back within the year) | — | coming soon |
| GEN5 | Conventional Steam Coal | ST | 21.5 | 20 | Feb 1987 | Operating (Out of service) | — | coming soon |
Owner / operator
Operator: nd paper llc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| nd paper llc | 100.0% | 62 MW |
Nearby plants
Within 80 km.
| Biron | 6 MW | 0.1 km |
| Wisconsin Rapids Pulp Mill | retired | 5.3 km |
| Wisconsin Rapids | 8 MW | 5.4 km |
| Port Edwards Mill | 7 MW | 12.5 km |
| Wisconsin Rapids Paper Mill | retired | 13.2 km |
| Georgia-Pacific Corp - Nekoosa Mill | 39 MW | 15.9 km |