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Subregional Planning Group Updates California ISO

Subregional Planning Group Updates California ISO. Paul Didsayabutra Market and Infrastructure Development, CAISO Transmission Expansion Planning Policy Committee June 17, 2010 Denver, CO. In this presentation – Updates on three major areas.

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Subregional Planning Group Updates California ISO

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  1. Subregional Planning Group Updates California ISO Paul Didsayabutra Market and Infrastructure Development, CAISO Transmission Expansion Planning Policy Committee June 17, 2010 Denver, CO

  2. In this presentation – Updates on three major areas • 2011 Transmission Plan & Transmission Planning Process • Large Generation Interconnection • Small Generation Interconnection

  3. 2011 ISO Transmission Plan is ongoing • The Study Plan was finalized and technical studies are underway • The first set of study results will be published on August 15, 2010 • More information will be available in the 2011 Transmission Plan report which will be published in January 2011* * Draft version

  4. Transmission Planning Process – Revised tariff filing • The proposed tariff amendments to implement a revised transmission planning process (TPP) was submitted to FERC in June 2010 • This proposal is the product of a comprehensive stakeholder process that started in September 2009 • In addition to the tariff, the ISO is also revising its Transmission Planning Business Practice Manual (BPM) • To provide more details • The first draft BPM will be posted on June 24, 2010

  5. Transmission Planning Process – Revised tariff filing • Some key elements of the proposal • Use statewide conceptual transmission plan as an inputs to the ISO process • Establish a new category of transmission additions and upgrades (policy-driven), to meet state and federal policy requirements and directives • Comply with Order 890 • Create better synergies between the LGIP and TPP • etc For more information: http://caiso.com/27ab/27abcca86d1f0.pdf

  6. LGIP – A lot of progress made in the cluster studies • Transition Cluster • The first cluster being studied under cluster approach • Currently in Phase II, technical study almost complete • More than 50 projects, total capacity exceeds 10,000 MW • Mostly renewable • Cluster 1 • Include approx 7,300 MW of new applications • Phase I study almost complete • Cluster 2 • Include approx 9,700 MW of new applications • Starting of Phase I study *Source: CAISO Generation Interconnection Queue, May 28, 2010

  7. LGIP – Overview of Transition Cluster Phase II* MW Fuel Type MW Type of Resources MW Generator Type *Source: CAISO Generation Interconnection Queue May 28, 2010. FC = Full Capacity EO = Energy Only

  8. SGIP – Modifications to the Small Generator Interconnection Procedures Initiative • A stakeholder process to obtain interested party participation to evaluate & consider SGIP modifications has been initiated • An issues paper was posted on April 1, 2010 • Several key issues & drivers • Significant increase in SGIP projects • Study process timeline, coordination with LGIP, etc • Deliverability assessment of SGIP projects • Etc • Target completion date: December 2010

  9. SGIP – Overview* Project MW *Source: CAISO Generation Interconnection Queue May 28, 2010

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