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March 30, 2012

Photovoltaic Program Power Purchase Agreements Request for Offers. March 30, 2012. Wholesale Generation Interconnection Process. Document Conflicts. The purpose of this document is to provide a general overview of the interconnection process

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March 30, 2012

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  1. Photovoltaic Program Power Purchase Agreements Request for Offers March 30, 2012 Wholesale Generation Interconnection Process

  2. Document Conflicts The purpose of this document is to provide a general overview of the interconnection process This presentation is intended to be a summary level discussion of the information and requirements and does not include all of the detailed information For detailed information, visit PG&E’s Generation Interconnection Services website at: http://www.pge.com/mybusiness/customerservice/nonpgeutility/generateownpower/wholesalegeneratorinterconnection/#thesmallgeneratorinterconnectionproceduresfortransmissionsysteminterconnectionstransmissionsgip To the extent that there are any inconsistencies between the information provided in this presentation and the requirements discussed on PG&E’s Generation Interconnection Services (“GIS”) website, the information posted on the GIS website shall govern

  3. Wholesale Generation Interconnection Processes Overview of Wholesale Generation Interconnection Processes Overview of Interconnection Timeline Fast Track Independent Study Cluster Process

  4. Wholesale Generation Interconnection Process Technical Studies Interconnection Agreement Project Implementation Application Processing Technical Scoping Meeting • Generator responsible for timely applications and timely completion of applicable processes. Not part of RFO solicitation • Transmission Interconnections • Governed by California Independent System Operator Corporation (CAISO) Tariff • PG&E’s transmission interconnections are for 60 kV and higher • All applications must be submitted to the CAISO • Distribution Interconnections • Governed by PG&E’s Wholesale Distribution Tariff (WDT) • PG&E’s distribution voltage level is defined as facilities operating below 60 kV • All applications must be submitted to the appropriate interconnecting utility.

  5. Wholesale Interconnection Study ProcessesIOU processes vary slightly Fast Track Initial and Supplemental Review • 2 MW on 12kV and 3 MW on 21 kV and 5 MW on higher voltages • Fast Track Screens • Electrical Independence Screens • Commercial Operation Date Screen (CAISO) • No MW limit • Financial security requirements Independent Study Process System Impact and Facilities Study Cluster Study • Default process, no MW limit • One annual study • Financial security requirements Phase I and II Studies • Independent Study Process and Cluster Process Interconnection Requests may apply for full capacity deliverability. Deliverability assessment will be conducted by CAISO in CAISO’s cluster process.

  6. Cluster Schedule – Application through Final Study Note*: PG&E does not have an October/November 2011 window but will discuss potential applications with developers. Note**: Subject to CAISO Tariff.

  7. Fast Track and Independent Schedule – Application through Final Study CAISO Process applies to SCE and SDG&E as well, IOU processes vary slightly Note: BD = business days Note*: Subject to CAISO Tariff.

  8. Post- Interconnection Agreement • Post Interconnection Agreement, PG&E and Interconnection Customer will be engineering and designing, procuring, and constructing the electrical interconnection • PG&E will engineer the Capital Improvements as agreed upon in the Interconnection Agreement • Interconnection Customer will engineer the electrical system on the Interconnection Customer’s side of the meter and any upgrades that will be applicant built and deeded (if required) • Post EPC, PG&E, CAISO (if applicable), and Interconnection Customer will coordinate a pre-parallel inspection and commissioning to achieve Commercial Operation • Timing for implementation is project specific and could take from 6 months to 4 years

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