LAKEWOOD, Colorado, July 28 -- Tucson Electric Power posted the following joint news release with Western Area Power Administration: WAPA and Tucson Electric Power announced a joint participation agreement to rebuild approximately 60 miles of the Parker-Davis Project transmission system. By collaborating with TEP, WAPA can upgrade a large section of the Parker-Davis Project infrastructure without increasing WAPA's transmission rates. The rebuild will improve reliability of the system and ensur  more