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info@tanc.usm p. 916.852.1673 f. 916.852.1073 P.O. Box 15129, Sacramento, California 95851-0129



Welcome to the Transmission Agency of Northern California (TANC) website, your resource for information on electric transmission and its critical role in keeping the lights on in Northern California. In addition to providing information about TANC, this site is designed to be a portal to information regarding California's transmission system and needs, goals for increasing the use of renewable energy sources and reducing greenhouse gas emissions, and how TANC and others are working together to meet California's energy infrastructure needs. New information will be added regularly; thank you for visiting!

The California-Oregon Transmission Project
21+ years of Successful Operation

Placed in service on March 17, 1993, the COTP’s 1600 MW, 339-mile long, 5,000-kV line continues to provide reliable electric service to Californians in coordination with the Pacific AC Intertie, together forming the three-line California-Oregon Intertie.



John S. Forman Station

October 2013 – TANC dedicated the Maxwell Series Compensation Station in memory of John S. Forman, former COTP Project Managing Director, through whose tireless efforts the COTP was successfully designed, constructed and completed.



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