Paul Bonavia

Southwestern Public Service Co. engages in the provision of electricity services. The firm generates, purchases, transmission, distributes, and sales electricity in portions of Texas and New Mexico. It offers oil and gas extraction, petroleum, and coal products. The company was founded in 1921 and is headquartered in Amarillo, TX.

Northern States Power Co. engages in the generation, transmission, distribution and sale of electricity. It supplies electricity to the portions of northwestern Wisconsin and the western portion of the Upper Peninsula of Michigan. The company purchases, transports, distributes and sells natural gas to retail customers and transports customer-owned natural gas. Its large commercial and industrial electric retail customers include food products, paper, allied products and sand mining for oil and gas extraction industries. Northern States Power was founded in 1901 and is headquartered in Eau Claire, WI.

Xcel Energy Services, Inc. provides electric and natural gas utility services. The company is headquartered in Minneapolis, MN.

Public Service Company of Colorado engages in the of generation, purchase, transmission, distribution, and sale of electricity in Colorado. It operates through the following segments: Regulated Electric Utility, Regulated Natural Gas Utility, and All Other. The Regulated Electricity segment generates electricity which is transmitted and distributed in Colorado. It also comprises sales for resale and provides wholesale transmission service to various entities in the United States. The Regulated Natural Gas Utility segment focuses in the transportation, storage, and distribution of natural gas in portions. The company was founded in 1924 and is headquartered in Denver, CO.

UNS Energy Corp. operates as a utility services holding company that engages in the electric generation and energy delivery services through its subsidiaries. The company is headquartered in Tucson, AZ.

Tucson Electric Power Co., Inc. engages in the generation, distribution, and transmitting electricity. The firm sells electricity, transmission, and ancillary services to retail customers, utilities, municipalities, and energy marketing companies. The company was founded in 1892 and is headquartered in Tucson, AZ.

Part of Fortis, Inc., UniSource Energy Services, Inc. is a company that provides natural gas services. The company is based in Kingman, AZ. Susan M Gray has been the CEO of the company since 2020.