Xcel Energy Inc. is a utility holding company based in Minneapolis, Minnesota, serving more than 3.3 million electric customers and 1.8 million natural gas customers in Minnesota, Michigan, Wisconsin, North Dakota, South Dakota, Colorado, Texas and New Mexico in 2017. It consists of four operating subsidiaries: Northern States Power-Minnesota, Northern States Power-Wisconsin, Public Service Company of Colorado, and Southwestern Public Service Co.
The decision of the arbitrator shall be limited to the resolution of the grievance or to the interpretation and application of this agreement and shall in no way change or amend this or any Supplemental Agreement. Arbitration decision shall be accepted as final and binding and promptly acted upon by appropriate officials. -International Brotherhood of Electrical Workers Agreement (2017)