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18.7 MW Conventional Hydroelectric (3 MW) + Wood/Wood Waste Biomass (16 MW) operating in Lincoln, WI — Midcontinent Independent Transmission System Operator, Inc..
18.7 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Wood/Wood Waste Biomass
1920
Operating Since
Coordinates
45.4431, -89.7342
County
Lincoln, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PCA-Tomahawk Mill | — | — |
| Owner(s) | PCA-Tomahawk Mill | — | — |
| Status | Operating | — | — |
The Packaging Corporation of America (PCA) Tomahawk Mill is a hybrid power plant located in Lincoln County, Wisconsin. The plant, which began operating in 1920, has a total capacity of 18.7 MW across 5 generators. It is owned and operated by PCA-Tomahawk Mill. The plant utilizes both conventional hydroelectric and wood/wood waste biomass as its primary fuel source (WAT).
The Tomahawk Mill plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the broader MRO NERC region. In the most recent year of data, the plant generated 111,304 MWh, achieving a capacity factor of 67.8%. The plant is ranked 13th out of 65 power plants in Wisconsin and 504th out of 1464 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
46.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
10.6K MWh
Latest Month
111.3K MWh
Annual Generation
67.8%
Capacity Factor
CO₂ Intensity
284 lb/MWh
NOx
0.654 lb/MWh
SO₂
0.650 lb/MWh
CH₄
0.173 lb/MWh
N₂O
0.026 lb/MWh
Capacity Factor
68.9%
Annual Net Gen
113 GWh
CO₂eq
296 lb/MWh
Subregion
MRO East
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $65.4M
Point of Interconnection
Nearest Substation
Tomahawk · 115 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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