{{Short description|American energy company}} {{Redirect-distinguish|Wisconsin Public Service|Public Service Commission of Wisconsin}} {{Use American English|date=April 2026}} {{Use mdy dates|date=April 2026}} {{Infobox company | name = Wisconsin Public Service | logo = Wisconsin Public Service Corp Logo.jpg | type = Public | traded_as = | founded = {{Start date and age|1922|}} | founder = | hq_location = | hq_location_city = Green Bay, Wisconsin | former_name = Oshkosh Gas Light Company | area_served = Wisconsin | key_people = | industry = Energy | services = {{hlist |Electricity |Gas |Steam}} | revenue = | operating_income = | net_income = | assets = | num_employees = | website = [https://www.wisconsinpublicservice.com Official website] }} thumb|Wisconsin Public Service Corporation headquarters '''Wisconsin Public Service Corporation''', commonly known as '''WPS''', is a utility company headquartered in Green Bay, Wisconsin. The company serves more than 450,000 electric customers and more than 333,000 natural gas customers in 27 counties in eastern, northeastern northern, and central Wisconsin, and a small portion of Michigan's Upper Peninsula.

== History == Wisconsin Public Service began in 1883 as the Oshkosh Gas Light Company.<ref>{{cite web |title=Our history |url=https://www.wisconsinpublicservice.com/company/history |website=Wisconsin Public Service |access-date=9 May 2025}}</ref><ref>{{cite web |title=Electricity Comes to Rural Marathon County |url=https://www.marathoncountyhistory.org/rural-electrification/electricity-comes-to-the-farm |website=Marathon County Historical Society |access-date=9 May 2025}}</ref> It was incorporated as the Wisconsin Public Service Corporation in 1922. It was first listed on the New York and Midwest stock exchanges in 1953. In 1994, WPS became a subsidiary of WPS Resources Corporation, an energy holding company. In February 2007, WPS Resources Corporation became part of the Integrys Energy Group.<ref>{{cite web |title=WPS, Peoples Complete Merger |url=https://www.sec.gov/Archives/edgar/data/107833/000091686307000103/exh991press.htm |website=U.S. Securities and Exchange Commission |access-date=9 May 2025}}</ref>

WPS owns two coal, and one natural gas power generation plants. It also owns 15 hydroelectric power plants on the Wisconsin, Tomahawk, Peshtigo and Menominee rivers, and a wind farm in northeastern Iowa. The Weston Power Plant is a coal-fired power plant rated at 981 megawatts and is located near Wausau, Wisconsin. The Weston 4 unit was built in 2008 and is considered to be one of the cleanest coal-fired power plants in the country. The J. P. Pulliam Generating Station was a 375 MW coal-fired generating plant located near downtown Green Bay that was shuttered in 2018.<ref>{{Cite web|title=Pulliam Power Plant|url=https://www.gem.wiki/Pulliam_Power_Plant|access-date=2022-02-21|website=Global Energy Monitor|language=en}}</ref> The Fox Energy Center is the company's most recent acquisition (2012). It is a natural gas–fired power plant, has a capacity of nearly 500 megawatts and is located near Kaukauna, Wisconsin.

The company's transmission voltages are 69,000 volts, 115,000 volts, 138,000 volts and 345,000 volts. WPS also has a few sub-transmission lines operating at 46,000 volts. The 115&nbsp;kV and 46&nbsp;kV lines are mostly used in the western part of Wisconsin Public Service's service area in the Wausau, Rhinelander and Stevens Point. WPS mostly uses 24,900/14,400 volts as its distribution voltage, however, 12,470/7,200 volts systems can be found in a few rural areas. WPS is interconnected on the power grid to Minnesota Power in Duluth, Minnesota via the Arrowhead-Weston 345,000 volt line and to Xcel Energy via the Arpin-Rocky Run 345,000-volt line.

==See also== * WEC Energy Group * Fixed bill

==References== {{Reflist}}

==Further reading== * ''Wisconsin Public Service Corporation: A History 1869–1950''. Privately published: Milwaukee, Wisconsin. 1950.

==External links== *{{Official website|http://www.wisconsinpublicservice.com/}}

{{Authority control}}

Category:Electric power companies of the United States Category:Companies based in Green Bay, Wisconsin