Exhibit 21.1
WISCONSIN ENERGY CORPORATION
SUBSIDIARIES AS OF DECEMBER 31, 2010
The following table includes the subsidiaries of Wisconsin Energy Corporation, a diversified holding company incorporated in the state of Wisconsin, as well as the percent of ownership, as of December 31, 2010:
State of | |||
Incorporation | Percent | ||
Subsidiary (a) | or Organization | 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% | |
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% | |
CenterPoint Wispark Land Company LLC | Wisconsin | 32.95% | |
2825 Four Mile Road LLC | Wisconsin | 100% | |
Wisconsin Energy Capital Corporation | Wisconsin | 100% | |
(a) | 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, 2010. | |
Indirectly owned subsidiaries are listed under the subsidiaries through which | |
Wisconsin Energy Corporation holds ownership. |