Below is the list of leading energy companies serving Wyoming residential customers.
Montana-Dakota Utilities is a diversified natural resources company based in Bismarck, N.D. Montana-Dakota Utilities provide retail natural gas and/or electric service to parts of Montana, North Dakota, South Dakota and Wyoming. Service area covers more than 168,000 square miles and about 384,000 customers.
Lower Valley Energy is a cooperative and the local energy provider. Lower Valley Energy serve up to Flagg Ranch in Yellowstone, down to Smoot past Afton, over to Wayan in Idaho past Freedom, and east to Kendall and Cora.
High West Energy is an electric utility that serves customers in Wyoming, Nebraska and Colorado.
PacifiCorp is one of the West’s leading utilities. It operates as Rocky Mountain Power in Utah, Wyoming and Idaho.
High Plains Power, Inc. is a member owned electric cooperative serving just over 12,400 customers in central Wyoming. High Plains Power is headquartered in Riverton, Wyoming with branch offices in Thermopolis and Dubois and a service center in Casper, Wyoming.
Black Hills Power has been serving electricity to the Black Hills for more than 130 years. Today it serves nearly 70,000 customers in 20 different communities throughout western South Dakota, northern Wyoming and southeastern Montana.
Black Hills Energy provides electric and natural gas service to more than 1.2 million customers in eight states: Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming.