Below is the list of leading energy companies serving South Dakota 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.
Xcel Energy is a major U.S. electric and natural gas company. Based in Minneapolis, Minn., Xcel Energy provides energy-related products and services to approximately 3.5 million electricity customers and 1.9 million natural gas customers in Colorado, Michigan, Minnesota, New Mexico, North Dakota, South Dakota, Texas and Wisconsin.
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.
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