Regulated Subsidiaries

Service Area Map
  • Michigan Gas Utilities Area Served
  • Minnesota Energy Resources Area Served
  • North Shore Gas Area Served
  • Peoples Gas Area Served
  • Upper Peninsula Power Company Area Served
  • Wisconsin Public Service Area Served

Integrys Energy Group is a holding company based in Chicago, Illinois. More information about our operating subsidiaries is listed below.


Michigan Gas Utilities Logo

Michigan Gas Utilities

michigangasutilities.com

Business

  • Established in 1907
  • Regulated natural gas utility
  • Serving Southeast, Lower Central & Southwest Michigan, including Grand Haven, Otsego, Benton Harbor, Saint Joseph, Coldwater, Sturgis, Hillsdale and Monroe areas
  • Approximately 165 employees

Market

  • Serving approximately 165,000 customers
  • 151,500 residential customers
  • 13,000 commercial customers
  • 139 large industrial (transportation) accounts
  • Total system throughput, approximately 27 billion cubic feet per year
  • Maximum daily throughput, 264,000 MCF
  • Steady customer growth, particularly in residential customers

Facilities

  • 3.6 billion cubic feet of natural gas storage
  • Two Michigan Gas Utilities offices to serve customers: Benton Harbor and Monroe

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Minnesota Energy Resources Logo

Minnesota Energy Resources

minnesotaenergyresources.com

Business

  • Established in 1930
  • Regulated natural gas utility
  • Serving more than 38,000 sq. miles, 49 counties and 165 communities from Canada to the Iowa border, and from the Dakotas to Wisconsin
  • Approximately 216 employees

Market

  • Serving approximately 212,000 customers
  • 2/3 of the volume flowing to large-volume customers
  • Total system throughput, approximately 61 billion cubic feet per year
  • Average growth of 4,473 customers per year

Facilities

  • Distribution network is one of the most contemporary by industry standards
  • Transports about 61 billion cubic feet of natural gas annually

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North Shore Gas Logo

North Shore Gas

northshoregasdelivery.com

Business

  • Established in 1908
  • Acquired by Peoples Energy in 1962
  • Regulated natural gas utility
  • Serving 54 communities within the northern suburbs of Chicago, Illinois
  • Approximately 166 employees

Market

  • Serving approximately 158,000 customers
  • 144,000 residential customers
  • 11,000 commercial customers
  • 80 large industrial (transportation) accounts
  • Total system throughput, approximately 34.9 billion cubic feet per year
  • Maximum daily throughput, 302,134 MCF
  • Steady customer growth, particularly in residential customers

Facilities

  • Approximately 2,430 miles of natural gas distribution and transmission main (approximately 38% is plastic main), 6 natural gas distribution and transmission gate stations, and approximately 147,000 natural gas lateral services

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Business

  • Established in 1855
  • Regulated natural gas utility
  • Serving the City of Chicago
  • Approximately 1,082 employees

Market

  • Serving approximately 819,000 customers
  • 766,000 residential customers
  • 49,000 commercial customers
  • 675 large industrial (transportation) accounts
  • Total system throughput, approximately 173.8 billion cubic feet per year
  • Maximum daily throughput, 1,487,708 MCF
  • Steady customer growth, particularly in residential customers

Facilities

  • Approximately 4,470 miles of natural gas distribution and transmission main (approximately 42% is cast iron main and 24% is plastic main), 11 natural gas distribution and transmission gate stations, and approximately 517,000 natural gas lateral services
  • Owns and operates a 38.2 billion-cubic-foot underground natural gas storage reservoir (Manlove Field) and a 2 billion-cubic-foot liquefied natural gas plant in central Illinois
  • Owns a natural gas pipeline system that runs from Manlove Field (located in central Illinois) to Chicago with 7 major interstate pipeline interconnects at various points

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Upper Peninsula Power Company Logo

Upper Peninsula Power Company

uppco.com

Business

  • Established in 1884
  • Regulated electric utility
  • Operates in primarily rural countryside in 10 of the 15 counties in the Upper Peninsula of Michigan
  • Approximately 130 employees

Market

  • Serving approximately 52,000 electric customers in 118 communities
  • Main industries served are forest products, tourism, and small manufacturing
  • Electric revenues are comprised of 89% retail sales and 11% wholesale sales

Facilities

  • Electric generating capacity based on summer capacity ratings: 56.7 megawatts
  • Electric property including 3,300 miles of electric distribution lines and 58 distribution substations

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Wisconsin Public Service Logo

Wisconsin Public Service

wisconsinpublicservice.com

Business

  • Established in 1883
  • Regulated electric and natural gas utility
  • Operates in northeastern and central Wisconsin and an adjacent portion of Upper Michigan
  • Approximately 1,363 employees

Market

  • Serving approximately 439,000 electric and 318,000 natural gas customers
  • Provides electric and natural gas products and services to residential, farm, commercial, and industrial customers; also provides electric power to wholesale customers
  • Electric operations accounted for 77% and natural gas operations accounted for 23% of 2010 revenues
  • Electric revenues comprised of 80% retail sales and 20% wholesale sales
  • Wisconsin customers accounted for 98% and Michigan customers accounted for 2% of 2010 revenues

Facilities

  • Electric generating capacity based on summer capacity ratings: 2,180.4 megawatts, including share of jointly-owned facilities
  • Electric property includes approximately 21,700 miles of electric distribution lines, 97% of which are operated at 24.9 kilovolts, and 123 distribution substations
  • Natural gas property includes approximately 7,850 miles of distribution and transmission main (74% is plastic main), 87 natural gas distribution and transmission gate stations, and approximately 297,000 natural gas lateral services

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