Company Story
1909 - Founding of Public Service Company of Colorado, predecessor to Xcel Energy.
1924 - Public Service Company of Colorado merges with Colorado Power Company.
1947 - Company begins to expand into Minnesota.
1968 - Company merges with Northern States Power Company.
1998 - Company merges with New Century Energies, forming Xcel Energy Inc.
2000 - Xcel Energy acquires Cheyenne Light, Fuel and Power.
2005 - Xcel Energy acquires Amarillo-based Southwestern Public Service Company.
2011 - Xcel Energy announces plans to reduce carbon emissions by 40% by 2030.
2018 - Xcel Energy sets goal to be carbon-free by 2050.