West Riverside Energy Center

4201 S. Walters Rd, Beloit, WI 53511

Plant Summary Information

West Riverside Energy Center is ranked #5 out of 260 power plants in Wisconsin in terms of total annual net electricity generation.

West Riverside Energy Center is comprised of 4 generators and generated 777.8 GWh during the 3-month period between February 2026 to May 2026.

Plant Name	West Riverside Energy Center
Utility Name	Wisconsin Power & Light Co
Location	Rock County, WI
Initial Operation Date	May 2020
Last Update	May 2026
Annual Generation	4.2 TWh
Annual Consumption	29.7 M MMBtu
Ranked #265 out of 13,081 Power Plants Nationwide
Ranked #131 out of 2,206 Natural Gas Power Plants Nationwide
Ranked #5 out of 260 Wisconsin Power Plants
Ranked #2 out of 50 Wisconsin Natural Gas Power Plants
Fuel Types	Natural Gas : 99.9%

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Monthly Net Generation for West Riverside Energy Center

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Monthly Plant Fuel Consumption for West Riverside Energy Center

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West Riverside Energy Center Details

Summary Information
Plant Name	West Riverside Energy Center (64020)
Plant Address	4201 S. Walters Rd, Beloit, WI 53511
Utility	Wisconsin Power & Light Co (20856)
Latitude, Longitude	42.58205, -89.04121
Generation Dates on File	May 2020 to May 2026
Initial Operation Date	May 2020
Annual Generation	4.2 TWh
Fuel Types	Natural Gas : 99.9%

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	MRO
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Wells
Ash Impoundment	No
Transmission / Distribution Owner	American Transmission Co (659)
Grid Voltage	345.00 kV / 138.00 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	WISCONSIN POWER AND LIGHT COMPANY
Pipeline Name	ANR PIPELINE COMPANY
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Generator CTG3 Details Operating May 2020

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	S234
Ownership	Jointly Owned
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	ALTE.CC.WRIVS1
RTO ISO Location Designation For Reporting Wholesale Sales Data	ALTE.CC.WRIVS1
Nameplate Capacity	232.9 MW
Nameplate Power Factor	0.85
Summer Capacity	215.9 MW
Winter Capacity	237.4 MW
Minimum Load	110 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	May 2020
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator CTG4 Details Operating May 2020

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	S234
Ownership	Jointly Owned
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	ALTE.CC.WRIVS2
RTO ISO Location Designation For Reporting Wholesale Sales Data	ALTE.CC.WRIVS2
Nameplate Capacity	232.9 MW
Nameplate Power Factor	0.85
Summer Capacity	212.2 MW
Winter Capacity	235.2 MW
Minimum Load	110 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	May 2020
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator STG2 Details Operating May 2020

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	S234
Ownership	Jointly Owned
Duct Burners	No
Nameplate Capacity	257.4 MW
Nameplate Power Factor	0.85
Summer Capacity	256.1 MW
Winter Capacity	253.6 MW
Minimum Load	65 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	May 2020
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator PV1 Details Operating April 2021

Technology	Solar Photovoltaic
Prime Mover	Photovoltaic
Ownership	Jointly Owned
Nameplate Capacity	4.4 MW
Nameplate Power Factor	1
Summer Capacity	4.4 MW
Winter Capacity	3.6 MW
Minimum Load	1 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	April 2021
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Solar
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No

Solar Details
Single Axis Tracking	Yes
Azimuth Angle	180
Tilt Angle	11
DC Net Capacity	5.8 MW
Crystalline Silicon	Yes
Net Metering Agreement	No
Virtual Net Metering Agreement	No

West Riverside Energy Center Plant Owners

Owner Name	Address	Generator	Ownership
Adams-Columbia Electric Coop	P O Box 70401 East Lake Street, Friendship, WI 53934	Generator CTG3	4.50%
Central Wisconsin Elec Coop	10401 Lystul Rd, Rosholt, WI 54473	Generator CTG3	0.80%
Madison Gas & Electric Co	133 South Blair Street, Madison, WI 53701	Generator CTG3	6.90%
Rock Energy Cooperative	2815 Kennedy Road, Janesville, WI 53547	Generator CTG3	3.70%
Wisconsin Electric Power Co	231 W. Michigan Street, Milwaukee, WI 53203	Generator CTG3	27.50%
Wisconsin Power & Light Co	4902 North Biltmore Lane, Madison, WI 53718	Generator CTG3	56.60%
Adams-Columbia Electric Coop	P O Box 70401 East Lake Street, Friendship, WI 53934	Generator CTG4	4.50%
Central Wisconsin Elec Coop	10401 Lystul Rd, Rosholt, WI 54473	Generator CTG4	0.80%
Madison Gas & Electric Co	133 South Blair Street, Madison, WI 53701	Generator CTG4	6.90%
Rock Energy Cooperative	2815 Kennedy Road, Janesville, WI 53547	Generator CTG4	3.70%
Wisconsin Electric Power Co	231 W. Michigan Street, Milwaukee, WI 53203	Generator CTG4	27.50%
Wisconsin Power & Light Co	4902 North Biltmore Lane, Madison, WI 53718	Generator CTG4	56.60%
Adams-Columbia Electric Coop	P O Box 70401 East Lake Street, Friendship, WI 53934	Generator PV1	4.50%
Central Wisconsin Elec Coop	10401 Lystul Rd, Rosholt, WI 54473	Generator PV1	0.80%
Madison Gas & Electric Co	133 South Blair Street, Madison, WI 53701	Generator PV1	6.90%
Rock Energy Cooperative	2815 Kennedy Road, Janesville, WI 53547	Generator PV1	3.70%
Wisconsin Electric Power Co	231 W. Michigan Street, Milwaukee, WI 53203	Generator PV1	27.50%
Wisconsin Power & Light Co	4902 North Biltmore Lane, Madison, WI 53718	Generator PV1	56.60%
Adams-Columbia Electric Coop	P O Box 70401 East Lake Street, Friendship, WI 53934	Generator STG2	4.50%
Central Wisconsin Elec Coop	10401 Lystul Rd, Rosholt, WI 54473	Generator STG2	0.80%
Madison Gas & Electric Co	133 South Blair Street, Madison, WI 53701	Generator STG2	6.90%
Rock Energy Cooperative	2815 Kennedy Road, Janesville, WI 53547	Generator STG2	3.70%
Wisconsin Electric Power Co	231 W. Michigan Street, Milwaukee, WI 53203	Generator STG2	27.50%
Wisconsin Power & Light Co	4902 North Biltmore Lane, Madison, WI 53718	Generator STG2	56.60%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

Rank	Plant Name	Plant Location	Annual Generation
#121	Jack County	Bridgeport, TX	4.5 TWh
#122	Lower Mount Bethel Energy	Bangor, PA	4.5 TWh
#123	Ouachita	Sterlington, LA	4.4 TWh
#124	Key	Brandywine, MD	4.4 TWh
#125	Tenaska Gateway Generating Station	Mt. Enterprise, TX	4.4 TWh
#126	Washington Energy Facility	Beverly, OH	4.4 TWh
#127	Tenaska Virginia Generating Station	Scottsville, VA	4.4 TWh
#128	Lowman Energy Center	Leroy, AL	4.4 TWh
#129	Oneta Energy Center	Broken Arrow, OK	4.4 TWh
#130	Tenaska Frontier Generation Station	Shiro, TX	4.3 TWh
#132	Linden Generating Station	Linden, NJ	4.3 TWh
#133	L V Sutton Combined Cycle	Wilmington, NC	4.2 TWh
#134	Jasper	Hardeeville, SC	4.2 TWh
#135	Hill Top Energy Center, LLC	Carmichaels, PA	4.2 TWh
#136	Fox Energy Center	Wrightstown, WI	4.2 TWh
#137	Fremont Energy Center	Fremont, OH	4.2 TWh
#138	John Sevier	Rogersville, TN	4.2 TWh
#139	Dan River	Eden, NC	4.1 TWh
#140	Ratcliffe	De Kalb, MS	4.1 TWh
#141	Ironwood LLC	Lebanon, PA	4.1 TWh

Nearby Power Plants

Below are closest 20 power plants surrounding West Riverside Energy Center.

Plant Name	Plant Location	Annual Generation	Distance
AES Bend Solar I, LLC CSG	Rockford, IL	369.0 MWh	17.1 mi
AES Bend Solar II, LLC CSG	Rockford, IL	609.0 MWh	17 mi
Albany Solar (WI)	Broadhead, WI	99.3 GWh	17.8 mi
All World Solar Facility	Roscoe, IL	3.2 GWh	8.6 mi
Ameresco Janesville	Janesville, WI	3.1 GWh	8.8 mi
Beloit Memorial Hospital Power Plant	Beloit, WI	147.0 MWh	2.9 mi
CED Hilltop Solar	Rockford, IL	4.4 GWh	18.6 mi
Darien Solar	Darien, WI	366.3 GWh	15.5 mi
Hackbarth Solar WI, LLC	Fort Atkinson, WI	8.9 GWh	22.7 mi
HQC Rock River Solar Power Gen Station	Beloit, WI	3.0 GWh	0.5 mi
Janesville Community Solar	Janesville, WI	2.6 GWh	9.8 mi
Machesney Park	Machesney Park, IL	3.5 GWh	14.4 mi
North Rock	Edgerton, WI	92.6 GWh	16.1 mi
Paddock Solar	Beloit, WI	134.6 GWh	3 mi
Riverside Energy Center	Beloit, WI	3.5 TWh	0.3 mi
Rock County Customer Hosted Solar	Janesville, WI	1.6 GWh	9.8 mi
Rockford Solar	Rockford, IL	3.5 GWh	20.7 mi
Rockton	Rockton, IL	6.5 GWh	9.2 mi
Route 76 Boone Solar 1	Poplar Grove, IL	4.1 GWh	15 mi
Spring Brook Solar WI, LLC	Whitewater, WI	630.0 MWh	20.3 mi