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117.4 MW Petroleum Coke (63 MW) + Wood/Wood Waste Biomass (54 MW) operating in Manitowoc, WI
117.4 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Petroleum Coke + Wood/Wood Waste Biomass
1955
Operating Since
Coordinates
44.0821, -87.6567
County
Manitowoc, WI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Manitowoc Public Utilities | Manitowoc Public Utilities | — |
| Owner(s) | Manitowoc Public Utilities | Manitowoc Public Utilities | — |
| Status | Operating | operating | — |
The Manitowoc plant, located in Manitowoc County, Wisconsin, has a total capacity of 117.4 MW across three generators. The plant began operating in 1955 and is owned and operated by Manitowoc Public Utilities. The primary fuel source is listed as WDS (waste disposal services), with the plant utilizing both petroleum coke and wood/wood waste biomass technologies. It is considered a hybrid plant due to its use of multiple fuel types.
In the most recent year with available data, the Manitowoc plant generated 178,129 MWh of electricity, resulting in a capacity factor of 17.3%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region. The Manitowoc plant is ranked as the largest of its kind in Wisconsin and one of the three largest 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
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
4.5K MWh
Latest Month
178.1K MWh
Annual Generation
17.3%
Capacity Factor
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CO₂ Intensity
345 lb/MWh
NOx
0.851 lb/MWh
SO₂
0.836 lb/MWh
CH₄
0.554 lb/MWh
N₂O
0.074 lb/MWh
Capacity Factor
18.9%
Annual Net Gen
194 GWh
CO₂eq
380 lb/MWh
Subregion
MRO East
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $410.3M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
WPS.LAKEFRN99
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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