The employee-owned company was founded in 1987 and is headquartered in Omaha, Nebraska, with regional offices in Dallas, Denver, Philadelphia, Boston, Houston, and Calgary and Vancouver in Canada.

The company has developed approximately 16,400 megawatts (MW) of natural gas-fueled and renewable power projects (solar, wind and hydroelectric).

Tenaska and its affiliates have managed the acquisition of approximately 10,750 MW of energy assets.

[1] In 1987, energy executives Howard Hawks, Tom Hendricks, Max Williams, and Gary Hoover launched Tenaska with the idea that success in an evolving energy industry was a job best suited for a small, private company.

Tenaska Marketing Ventures (TMV) manages, trades or sells approximately 10 percent of the total natural gas consumption of the United States and Canada.