Question: North Battleford Energy Centre is a natural gas-fired station owned by Northland Power located in the Rural Municipality of North Battleford, Saskatchewan, the plant was built by Kiewit Construction, an employee-owned Fortune 500 contractor based in Omaha, in which state?
Sentence (from "Kiewit Corporation"): Kiewit Corporation is an employee-owned Fortune 500 contractor based in Omaha, Nebraska.
Relevant evidence: Yes