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


About TANC

The Transmission Agency of Northern California (TANC) is a joint powers agency established by a group of California publicly-owned utilities in 1984. TANC's initial purpose was to plan, design and construct the California-Oregon Transmission Project (COTP), a 340-mile long, 500-kV AC transmission line between the California-Oregon border and Central California. The COTP was completed and energized in 1993.

Today, TANC's primary purpose is to provide electric transmission to its Member utilities through transmission line ownership or contract arrangements. As the project manager for the COTP, TANC is responsible for its day-to-day operation and maintenance, and any potential upgrades to the line.

TANC's current Membership includes 15 publicly-owned utilities in the cities of Alameda, Biggs, Gridley, Healdsburg, Lodi, Lompoc, Palo Alto, Redding, Roseville, Santa Clara, and Ukiah, as well as the Sacramento Municipal Utility District, the Modesto Irrigation District and the Turlock Irrigation District. The Plumas-Sierra Rural Electric Cooperative is an Associate Member.

TANC is a member of WestConnect, wesTTrans, and the Western Electricity Coordinating Council (WECC). In addition, TANC is registered with the North American Electric Reliability Corporation (NERC) as a Transmission Owner, Transmission Planner and Transmission Service Provider.


About TANC
Environmental Stewardship
Q&A
Member Organizations
Mission & History
Organizational Structure
TANC's Reliability Standards Compliance Program
Financials


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