Mountrail-Williams Substation in winter

Mountrail-Williams Substation

This substation serves Mountrail-Williams Electric Cooperative customers on the northeastern side of Williston, North Dakota. Customers include industrial and commercial developments, hotels, housing, oil and gas producers, and more. The Mountrail-Williams Substation’s foundation was constructed using 165 cubic yards of concrete and is supported by 61,750 pounds of steel structures. The facility’s dimensions are 125 feet by 400 feet.


  • Location: Williston, North Dakota
  • Project owner: Mountrail-Williams Electric Cooperative