Nine Southwestern electric utilities are investigating the feasibility of establishing a regional independent system operator.
The Desert Southeastern Transmission and Reliability Operator (Desert STAR) would be the name of the new ISO. Initial members would include: Arizona Electric Power Co-op; Arizona Public Service Co., El Paso Electric Co., Nevada Power Co., Public Service Co. of New Mexico, Salt River Project, Texas-New Mexico Power Co., Tucson Electric Power Co., and the Western Area Power Administration's Desert Southwest Region. The feasibility study is expected to be completed in about six months.
Two ISOs already are under consideration in the West. One would operate in California. The other would run in the Pacific Northwest (em the "Independent Grid Operator." t