Founded in 1987, Tenaska is a privately held company with headquarters in Omaha, Nebraska, and regional offices in Dallas, Texas; Denver, Colorado; and Calgary, Alberta Canada.

Tenaska Corporate Headquarters

1044 N. 115th Street, Suite 400
Omaha, Nebraska 68154-4446 USA
Phone: (402) 691-9500
Fax: (402) 691-9526
E-mail: Power@Tenaska.com