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21.3 MW Conventional Hydroelectric (2 MW) + Conventional Steam Coal (9 MW) + Natural Gas Steam Turbine (10 MW) out of service in Oneida, WI — Midcontinent Independent Transmission System Operator, Inc..
21.3 MW
Nameplate Capacity
5
Generators
units
Hybrid (3)
Technology
Conventional Hydroelectric + Conventional Steam Coal + Natural Gas Steam Turbine
1917
Operating Since
Coordinates
45.6394, -89.4205
County
Oneida, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ahlstrom-Munksjo | — | — |
| Owner(s) | Ahlstrom-Munksjo | — | — |
| Status | Out of service | — | — |
The Rhinelander Mill is a hybrid power plant located in Oneida County, Wisconsin. Operated by Ahlstrom-Munksjo, the facility has a total capacity of 21.3 MW across 5 generators. The plant commenced operations in 1917 and utilizes a mix of fuel sources, including waste wood, conventional steam coal, and natural gas to power conventional hydroelectric and steam turbine technologies.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region. In the most recent year with available data, the Rhinelander Mill generated 5,817 MWh, achieving a capacity factor of 3.1%. The plant is ranked 11th out of 65 power plants in Wisconsin and 478th nationally out of 1464 plants.
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
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
715 MWh
Latest Month
5.8K MWh
Annual Generation
3.1%
Capacity Factor
CO₂ Intensity
653 lb/MWh
NOx
0.123 lb/MWh
SO₂
0.003 lb/MWh
CH₄
0.012 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
3.7%
Annual Net Gen
7 GWh
CO₂eq
654 lb/MWh
Subregion
MRO East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $20.6M
Point of Interconnection
Nearest Substation
Rhinelander Paper · 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
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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