Exhibit 21.1
WEC ENERGY GROUP, INC.
SUBSIDIARIES AS OF DECEMBER 31, 2016
The following table includes the subsidiaries of WEC Energy Group, a diversified holding company incorporated in the state of Wisconsin, as well as the percent of ownership, as of December 31, 2016:
Subsidiary * | State of Incorporation or Organization | Percent Ownership | ||
Wisconsin Electric Power Company | Wisconsin | 100% | ||
ATC Management Inc. | Wisconsin | 26.24% | ||
American Transmission Company LLC | Wisconsin | 23.04% | ||
Bostco LLC | Wisconsin | 100% | ||
Wisconsin Gas LLC | Wisconsin | 100% | ||
ATC Holding LLC | Wisconsin | 100% | ||
ATC Holdco, Inc. | Wisconsin | 68% | ||
American Transmission Company LLC | Wisconsin | 3.20% | ||
W.E. Power, LLC | Wisconsin | 100% | ||
Elm Road Generating Station Supercritical, LLC | Wisconsin | 100% | ||
Elm Road Services, LLC | Wisconsin | 100% | ||
Port Washington Generating Station, LLC | Wisconsin | 100% | ||
Wisvest LLC | Wisconsin | 100% | ||
Wispark LLC | Wisconsin | 100% | ||
Wisconsin Energy Capital Corporation | Wisconsin | 100% | ||
WEC Business Services LLC | Delaware | 100% | ||
Integrys Holding, Inc. | Wisconsin | 100% | ||
Wisconsin Public Service Corporation | Wisconsin | 100% | ||
Wisconsin Valley Improvement Company | Wisconsin | 27.1% | ||
Wisconsin River Power Company | Wisconsin | 50% | ||
WPS Investments, LLC | Wisconsin | 10.37% | ||
American Transmission Company LLC | Wisconsin | 34.07% | ||
ATC Management Inc. | Wisconsin | 32% | ||
ATC Management Inc. | Wisconsin | 2% | ||
WPS Investments, LLC | Wisconsin | 89.63% | ||
American Transmission Company LLC | Wisconsin | 34.07% | ||
Michigan Gas Utilities Corporation | Delaware | 100% | ||
Minnesota Energy Resources Corporation | Delaware | 100% | ||
Peoples Energy, LLC | Illinois | 100% | ||
The Peoples Gas Light and Coke Company | Illinois | 100% | ||
North Shore Gas Company | Illinois | 100% | ||
Peoples Energy Ventures, LLC | Delaware | 100% | ||
WPS Power Development, LLC | Wisconsin | 100% | ||
WPS Visions, Inc. | Wisconsin | 100% | ||
Penvest, Inc. | Michigan | 100% |
* | Omits the names of certain subsidiaries, which if considered in the aggregate as a single subsidiary, would not constitute a "significant subsidiary" as of December 31, 2016. Indirectly owned subsidiaries are listed under the subsidiaries through which WEC Energy Group, Inc. holds ownership. |