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Operating Companies

Xcel Energy Inc.’s operations include the activity of four wholly owned utility subsidiaries that serve electric and natural gas customers in eight states. These utility subsidiaries, referred to as operating companies, are Northern States Power Company-Minnesota, Northern States Power Company-Wisconsin, Public Service Company of Colorado and Southwestern Public Service Company.

Along with WYCO Development LLC, a joint venture formed with Colorado Interstate Gas Company (CIG) to develop and lease natural gas pipeline, storage and compression facilities, and WestGas Interstate, Inc. (WGI), an interstate natural gas pipeline company, these companies comprise the continuing regulated utility operations.

Xcel Energy Services (XES) is the service company for the Xcel Energy holding company system. XES provides a variety of administrative, management, engineering, construction, environmental and support services, including the company’s philanthropic division.

Additionally, we have one non-regulated subsidiary in continuing operations, Eloigne Company, which invests in rental housing projects that qualify for low-income housing tax credits.

  • Northern States Power Company-Minnesota (NSPM)
  • Minnesota, North Dakota, South Dakota
  • David M. Sparby, president and CEO
  • 1,423,708 Electricity Customers
  • 492,911 Natural Gas Customers
  • Northern States Power Company-Wisconsin (NSPW)
  • Wisconsin, Michigan
  • Mark E. Stoering, president and CEO
  • 253,470 Electricity Customers
  • 109,643 Natural Gas Customers
  • Public Service Company of Colorado (PSCo)
  • Colorado
  • David L. Eves, president and CEO
  • 1,397,026 Electricity Customers
  • 1,335,261 Natural Gas Customers
  • Southwestern Public Service Company (SPS)
  • Texas, New Mexico
  • David T. Hudson, president and CEO
  • 383,261 Electricity Customers
  • 0 Natural Gas Customers