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Serving you today. Planning for tomorrow.

This presentation highlights SDG&E's preparations for summer 2005, including their service area, customer mix, demand response and reliability programs, supply-side improvements, energy mix balancing, and plans for the future.

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Serving you today. Planning for tomorrow.

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  1. Serving you today. Planning for tomorrow. SDG&E’s Presentation to the Senate Energy Committee February, 2005

  2. SDG&E’s Service area and Customers Mix • SDG&E serves the electric and gas needs of San Diego County and the electric needs of the southern portion of Orange County • SDG&E’s Service area has a peak electric load of about 4,100 MW • SDG&E serves about 82% of the load, the rest is served by Direct Access providers. • SDG&E Customer Mix # CustomersUsage SDGEDASDGE DA • Residential 89% 63% 45% 1% • Commercial 11% 34% 42% 35% • Industrial <1%3%13%64% 100% 100% 100% 100%

  3. SDG&E’s Preparations for Summer 2005 – Overview • SDG&E has sufficient resources to meet loads and operating reserves under average weather conditions (“1 in 2”) • Committed resources will provide 103% of expected demand for summer 2005. • Only 5% of SDG&E’s capacity comes from resources SDG&E controls which are outside of California • Local reliability meets ISO grid planning criteria • Criteria assumes adverse weather conditions (“1 in 10”), single largest transmission line out of service and single largest generator out of service (N-1, G-1) • Demand Response • Price driven programs may contribute up to 68 MW • Reliability programs may contribute up to 51 MW

  4. Day Ahead Notification Programs Day-of Notification Programs Technical Assistance and Technology Incentives Education, Awareness and Outreach 20/20 Residential and Small Commercial Residential Programs Commercial/Industrial (small to medium-sized) New Construction SDG&E’s Preparations for Summer 2005 – Demand Side Demand Response Programs Energy Efficiency Programs

  5. SDG&E’s Preparations for Summer 2005 – Supply Side • Installing New Generation • 45 MW peaking combustion turbine – June 2005 • Transmission Improvement • Miguel Substation upgrade – October 2004 • Mission – Miguel 230 KV transmission line – Summer 2005 • Nine additional projects completed that add to local reliability • Operating Procedures • Developed operating procedures in conjunction with the ISO for congestion mitigation

  6. 2005 Energy Mix

  7. Balancing Loads and Resources Apr 1st Apr 30th Apr 1st Apr 8th Apr 5th 0000 2400 • Annual • Monthly balancing • Determine capacity • and energy needs • Determine fuel needs • Determine risk • strategy • Monthly – • Weekly • Hourly balancing • Fuel Purchasing • Economy transactions • Daily • Hourly matching • Economy transactions • Submit Schedules to • ISO • Hourly • Real time Weekly Procurement Mtg Review previous week – Plan next 10 days

  8. Planning for the Future • SDG&E’s Updated Long-Term Resource Plan follows a balanced strategy to ensure safe, reliable supply: • Reduce demand through conservation, energy efficiency, demand reduction programs • Increase supplies from renewable sources and provide 20% of our energy from renewables by 2010 • Add more transmission to ensure reliability and access to additional lower cost, fuel diverse and renewable power • Obtain new generation in San Diego to ensure reliability, replace expiring CDWR contracts, reduce RMR payments, and allow retirement of aging local generation • This balanced approach offers flexibility and avoids risk of dependence on any single option • Consistent with the Energy Action Plan

  9. Acquiring Resources for the Future • Energy Efficiency and Demand Response • Pursuing additional energy efficiency • New demand response programs including advanced metering infrastructure • Resources Under Development • Renewable resource solicitation underway • Palomar Energy Project 540 MW – Summer 2006 • Otay Mesa Power Project 560 MW - 2008 • Transmission Planning • Pursuing new transmission interconnection path to meet future energy and reliability needs • 5 Year Grid Planning studies to ensure local reliability • Future Resources Acquired Through Open Competitive Bids • Open bids for all resource types • Renewable bids for Renewable Portfolio Standard

  10. Information Sharing with ISO and CEC • ISO • Information sharing occurs at both planning and operating levels • Sharing data to better manage intrazonal congestion • Transmission planning studies • CEC • Integrated Energy Policy Report • CEC’s natural gas price forecast is an input to SDG&E’s forecast • CEC IEPR generation cost estimates are referenced in the development of SDG&E’s projected generic resource costs

  11. Serving you today. Planning for tomorrow.

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