EX-21.01 5 xcelex2101q42018.htm EXHIBIT 21.01
Exhibit 21.01
SUBSIDIARIES OF XCEL ENERGY INC.

SUBSIDIARY (a) |  | STATE OF INCORPORATION |  | PURPOSE
Northern States Power Company (a Minnesota corporation) |  | Minnesota |  | Electric and gas utility
Northern States Power Company (a Wisconsin corporation) |  | Wisconsin |  | Electric and gas utility
Public Service Company of Colorado |  | Colorado |  | Electric and gas utility
Southwestern Public Service Company |  | New Mexico |  | Electric utility
WestGas InterState, Inc. |  | Colorado |  | Natural gas transmission company
Xcel Energy Wholesale Group Inc. |  | Minnesota |  | Intermediate holding company for subsidiaries providing wholesale energy
Xcel Energy Markets Holdings Inc. |  | Minnesota |  | Intermediate holding company for subsidiaries providing energy marketing services
Xcel Energy International Inc. |  | Delaware |  | Intermediate holding company for international subsidiaries
Xcel Energy Ventures Inc. |  | Minnesota |  | Intermediate holding company for subsidiaries developing new businesses
Xcel Energy Retail Holdings Inc. |  | Minnesota |  | Intermediate holding company for subsidiaries providing services to retail customers
Xcel Energy Communications Group Inc. |  | Minnesota |  | Intermediate holding company for subsidiaries providing telecommunications and related services
Xcel Energy WYCO Inc. |  | Colorado |  | Intermediate holding company holding investment in WYCO
Xcel Energy Services Inc. |  | Delaware |  | Service company for Xcel Energy system
Xcel Energy Transmission Holding Company, LLC |  | Delaware |  | Intermediate holding company for subsidiaries developing and providing energy transmission services
Xcel Energy Venture Holdings, Inc. |  | Minnesota |  | Intermediate holding company holding investment in Energy Impact Fund
Nicollet Project Holdings, LLC |  | Minnesota |  | Intermediate holding company holding investment in Nicollet Project I, LLC and II, LLC
Nicollet Holdings Company, LLC |  | Minnesota |  | Intermediate holding company for subsidiaries procuring equipment for renewable generation facilities at other subsidiaries

(a) | Certain insignificant subsidiaries are omitted.