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Enhancing Transmission Access in the Western Region

The Public Power Initiative of the West aims to improve transmission access, support competitive markets, and ensure reliability. Learn about wesTTrans.net and future plans for regional electricity markets.

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Enhancing Transmission Access in the Western Region

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  1. David H. Wiggs General Manager Los Angeles Department of Water and Power September 24, 2003

  2. Participating Organizations • Public Power Initiative of the West (PPIW) • WestConnect • Additional Western utilities that have joined due to outreach efforts

  3. PPIW – Public Power Initiative of the West • Voluntary coalition of large public power agencies working to: • Provide benefits to customers • Enhance transmission access • Ensure reliability • Support competitive, bilateral, wholesale markets • Work within existing regulatory structure • Preserve individual business models

  4. What is ? • A common internet site for posting and reserving transmission in a large portion of the West operated by an independent third party • A cost effective means to enhance transmission access built upon Order 888/889 principles • A way to modernize transmission OASIS reservations involving multiple transmission providers • Available to all market participants • Scheduled operation in first quarter 2004

  5. North Washington Montana Oregon Idaho Wyoming Nebraska Nevada Utah Colorado California New Mexico Arizona Texas

  6. Participating UtilitiesTo Date • Arizona Public Service Company • El Paso Electric Company • Imperial Irrigation District • Los Angeles Department of Water and Power • Nevada Power Company • Portland General Electric Company • Public Service Company of New Mexico • Puget Sound Energy • Sacramento Municipal Utility District • Salt River Project Agricultural Improvement and Power District • Sierra Pacific Power Company • Southwest Transmission Cooperative • Transmission Agency of Northern California • Tri-State Generation & Transmission Association • Tucson Electric Power Company • Western Area Power Administration

  7. Benefits of • Builds upon existing open access transmission tariffs and existing bilateral energy markets • Supports reliability by making transmission more easily available to deliver generation to loads • Creates market efficiency through enhanced utilization of the regional transmission grid • Provides workable tools to support a viable secondary market for transmission • Provides a platform for additional market improvements through voluntary cooperation

  8. PPIW – Future Plans Assess strategies to provide further benefits to customers, including: • Pursue enhancements to wesTTrans.net • Enhance regional price transparency for bilateral wholesale markets by, for example, implementing new market indices • Standardize electricity interchange scheduling to minimize seams issues • Design bilateral market methods to increase efficient use of the transmission grid • Support coordination of transmission planning, expansion, interconnection and operations

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