We are an indirect wholly owned subsidiary of WEC Energy Group and were incorporated in the state of Wisconsin in 1883. We serve customers in northeastern Wisconsin and served customers in Michigan's Upper Peninsula through December 31, 2016. Effective January 1, 2017, we transferred our electric and natural gas customers and distribution assets located in the Upper Peninsula of Michigan to UMERC, a stand-alone utility owned by WEC Energy Group. Effective January 1, 2017, we transferred our ownership interest in WPSI to another subsidiary of Integrys. See Note 3, Related Parties, for more information on UMERC and WPSI. Our two reportable segments are utility and other.
For more information about our utility operations, including financial and geographic information, see Note 18, Segment Information, and Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations - Results of Operations.
Our annual and periodic filings with the SEC are available, free of charge, on WEC Energy Group's website, www.wecenergygroup.com, as soon as reasonably practicable after they are filed with or furnished to the SEC. You may also obtain materials we filed with or furnished to the SEC on their website at www.sec.gov.