Weston

2501 Morrison Av, Rothschild, WI 54474

Plant Summary Information

Weston is ranked #33 out of 122 coal plants nationwide in terms of total annual net electricity generation.

Weston is comprised of 2 generators and generated 502.9 GWh during the 3-month period between February 2026 to May 2026.

Plant Name	Weston
Utility Name	Wisconsin Public Service Corp
Location	Marathon County, WI
Initial Operation Date	December 1954
Last Update	May 2026
Annual Generation	4.1 TWh
Annual Consumption	44.2 M MMBtu
Ranked #283 out of 13,081 Power Plants Nationwide
Ranked #33 out of 122 Subbituminous Coal Power Plants Nationwide
Ranked #7 out of 260 Wisconsin Power Plants
Ranked #3 out of 7 Wisconsin Subbituminous Coal Power Plants
Fuel Types	Subbituminous Coal : 99.3% Natural Gas : 0.7%

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Summary Information
Plant Name	Weston (4078)
Plant Address	2501 Morrison Av, Rothschild, WI 54474
Utility	Wisconsin Public Service Corp (20860)
Latitude, Longitude	44.8606, -89.6553
Generation Dates on File	Jan 2001 to May 2026
Initial Operation Date	December 1954
Annual Generation	4.1 TWh
Fuel Types	Subbituminous Coal : 99.3% Natural Gas : 0.7%

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	RFC
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Wisconsin River
Ash Impoundment	Yes Lined Operating
Transmission / Distribution Owner	American Transmission Co (659) WI
Grid Voltage	345.00 kV / 115.00 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	WISCONSIN PUB SVC CORP
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Steam Coal
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	WPS.WESTON3
RTO ISO Location Designation For Reporting Wholesale Sales Data	WPS.WESTON3
Nameplate Capacity	350.5 MW
Nameplate Power Factor	0.9
Summer Capacity	334.7 MW
Winter Capacity	339.8 MW
Minimum Load	105 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	December 1981

Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Subbituminous Coal / Natural Gas / Refined Coal
Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	Yes
Subcritical Technology	Yes
Other Planned Modifications	No
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Technology	Conventional Steam Coal
Prime Mover	Steam Turbine
Ownership	Jointly Owned
RTO ISO LMP Node Designation	WPS.WESTON4
RTO ISO Location Designation For Reporting Wholesale Sales Data	WPS.WESTON4
Nameplate Capacity	595 MW
Nameplate Power Factor	0.85
Summer Capacity	553.2 MW
Winter Capacity	558.5 MW
Minimum Load	230 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 2008
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Subbituminous Coal / Natural Gas / Refined Coal

Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	Yes
Supercritical Technology	Yes
Planned New Prime Mover	ST
Planned Energy Source	NG
Planned New Nameplate Capacity	582.4 MW
Planned Repower	June 2029
Other Planned Modifications	Yes
Other Modifications	December 2029
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
Dairyland Power Coop	P O Box 8173200 East Avenue South, La Crosse, WI 54601	Generator 4	30.00%
Wisconsin Public Service Corp	231 W. Michigan Street, Milwaukee, WI 53203	Generator 4	70.00%

Power plants with a similar annual net generation from Subbituminous Coal.

Rank	Plant Name	Plant Location	Annual Generation
#23	Baldwin Energy Complex	Baldwin, IL	6.1 TWh
#24	La Cygne	La Cygne, KS	6.0 TWh
#25	Clay Boswell	Cohasset, MN	5.8 TWh
#26	Columbia (WI)	Pardeville, WI	5.5 TWh
#27	Springerville	Springerville, AZ	5.3 TWh
#28	J H Campbell	West Olive, MI	5.1 TWh
#29	Iatan	Weston, MO	4.9 TWh
#30	Gallatin (TN)	Gallatin, TN	4.9 TWh
#31	Louisa	Muscatine, IA	4.4 TWh
#32	Jim Bridger	Point of Rocks, WY	7.1 TWh
#34	Belle River	China Twp, MI	4.7 TWh
#35	White Bluff	Redfield, AR	3.6 TWh
#36	Welsh	Pittsburg, TX	3.5 TWh
#37	Ottumwa	Ottumwa, IA	3.5 TWh
#38	Newton	Newton, IL	3.4 TWh
#39	Dave Johnston	Glen Rock, WY	3.2 TWh
#40	Powerton	Pekin, IL	3.2 TWh
#41	Craig (CO)	Craig, CO	3.2 TWh
#42	Sandy Creek Energy Station	Riesel, TX	3.2 TWh
#43	Transalta Centralia Generation	Centralia, WA	3.2 TWh

Below are closest 20 power plants surrounding Weston.

Plant Name	Plant Location	Annual Generation	Distance
Alexander	Merrill, WI	13.9 GWh	23.1 mi
Antigo Solar Partners, LLC	Antigo, WI	9.0 GWh	31.1 mi
Antigo-Forrest Street Solar Project	Antigo, WI	9.0 GWh	29.7 mi
Biron	Biron, WI	29.6 GWh	30.3 mi
Biron Mill	Wisconsin Rapids, WI	95.7 GWh	30.4 mi
Domtar Paper Company Rothschild	Rothschild, WI	524.0 MWh	2.3 mi
Du Bay	Eau Pleine, WI	36.5 GWh	13.5 mi
Fiber Recovery, Inc.	Ringle, WI	6.5 GWh	13.3 mi
Grandfather Falls	Irma, WI	79.1 GWh	31.2 mi
Marshfield Utilities Gas Plant	Marshfield, WI	18.8 GWh	28.2 mi
Merrill	Merrill, WI	3.7 GWh	22 mi
Mosinee Mill	Mosinee, WI	101.2 GWh	5.3 mi
Port Edwards Mill	Port Edwards, WI	36.8 GWh	37.7 mi
Rothschild Biomass Cogen Facility	Rothschild, WI	165.6 GWh	2.3 mi
Stevens Point	Stevens Point, WI	25.9 GWh	24.1 mi
Stevens Point Mill	Stevens Point, WI	14.5 GWh	35.3 mi
Wausau	Wausau, WI	24.5 GWh	6.8 mi
Weston RICE	Kronenwetter, WI	144.5 GWh	0.3 mi
Whiting	Whiting, WI	16.1 GWh	26 mi
Wisconsin Rapids	Wisconsin Rapids, WI	46.4 GWh	33.3 mi