Rothschild Biomass Cogen Facility

OperatingWood Waste

Ranked #1 of 2 Wood Waste plants in WI#25 of 108 nationally

57.5 MW Wood Waste operating in Marathon, WI — Midcontinent Independent Transmission System Operator, Inc..

EIAGEMWD

57.5 MW

Nameplate Capacity

1

Generators

unit

Wood/Wood Waste Biomass

Technology

2013

Operating Since

Location

Coordinates

44.8881, -89.6294

County

Marathon, WI

Nearby Plants

Domtar Paper Company Rothschild
Hydro1.1 MW · 0.2 km
Weston
Sub. Coal945.5 MW · 3.7 km
Weston RICE
Natural Gas131.6 MW · 4.0 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Wisconsin Electric Power Co	Wisconsin Electric Power	—
Owner(s)	Wisconsin Electric Power Co	WEC Energy Group	—
Status	Operating	operating	—

Ownership Chain

About

The Rothschild Biomass Cogen Facility is a 57.5 MW biomass-fueled power plant located in Marathon County, Wisconsin. The plant began operating in 2013 and has one generator utilizing wood/wood waste biomass technology. It is owned by WEC Energy Group and operated by Wisconsin Electric Power Co. The plant is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and is within the ReliabilityFirst Corporation (RFC) NERC region.

In its most recent year of operation, the Rothschild Biomass Cogen Facility generated 152,764 MWh of electricity, resulting in a capacity factor of 30.3%. The plant is ranked as the second-largest of two biomass plants in Wisconsin, and the 16th largest of 97 biomass plants nationally. Financial data indicates an installed cost of $5,498.28 per kW, according to FERC filings.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

RFC

Balancing Authority

Midcontinent Independent Transmission System Operator, Inc..

Grid Voltage

46 kV

Regulatory Status

RE

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

15.3K MWh

Latest Month

152.8K MWh

Annual Generation

30.3%

Capacity Factor

Jan 2022 – Dec 2024

Financial DataBeta

Source: FERC Form 1HIGH

$5,210/kW

Installed Cost

$116.0/MWh

Operating Cost

Wisconsin Electric Power Company

Reporting Utility

Annual Capital & Operating Expenses

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Market Position

ISO/RTO Market

MISO

LMP Node

WEC.RBC1

Pricing Hub

MICHIGAN.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (2)Beta

Industry·technology

A New Page

The idea of transforming distressed pulp and paper mills into integrated biorefineries has evolved. Closed mills are now viewed as ready-made sites for...

Biomass Magazine·2 years ago

Grid·capacity addition

We Energies biomass plant begins commercial operation

We Energies has announced that the biomass-fueled power plant on the site of Domtar Corp.'s Rothschild, Wis., paper mill was placed into commercial operation...

We Energies (operator)Domtar Corp. (other)

Biomass Magazine·12 years ago

Last updated 2026-03-14

View all articles

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