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The Utility World Today

Microgrid – A Smart Grid Alternative Service Delivery Model? Thomas Bialek, PhD, PE Chief Engineer SAME Luncheon – May 12, 2010. The Utility World Today. The Utility World 2015 +. The Utility World Tomorrow. SDG&E Borrego Springs Microgrid Project. Switches & Power Electronics.

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The Utility World Today

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  1. Microgrid – A Smart Grid Alternative Service Delivery Model?Thomas Bialek, PhD, PE Chief EngineerSAME Luncheon – May 12, 2010

  2. The Utility World Today

  3. The Utility World 2015 +

  4. The Utility World Tomorrow

  5. SDG&E Borrego Springs Microgrid Project Switches & Power Electronics Rooftop PV Solar Micro turbine Utility-scale Energy Storage Information Electricity Pricing DER status Demand Response Programs Network status Community Objectives Load and Resource Profiles Distributed Energy Resources Utility-scale Energy Storage Rooftop PV Solar Micro-turbines Building Energy Storage Community Energy Storage Distributed Generation Home Energy System PHEVs Ground PV Solar Array Energy Storage Grid Resources Capacitor Banks Voltage Regulators Automated Switches Power Electronics Communications Ground PV Solar Array Distributed Generation PHEVs National Energy Technology Laboratory Home Energy System

  6. Microgrid Selected Project Site: Borrego Substation Key Characteristics: Strengths: • No residences nearby, plenty of land • More Existing Solar Customers • Large Reliability Improvements Possible • Possibility of ‘Islanding’ Entire Community • Great learning environment • Extendable to service territory Challenges: • Remote Area • Challenging Communications Environment • New Fencing Required • Requires Accelerating schedule for Condition Based Maintenance and AMI Deployment Borrego offers SDG&E an opportunity to be the leader in the microgrid area, with the possibility of being able to island an entire substation with peak load of over 13 MW.

  7. Project Architecture: Context Level Architecture

  8. Issues and Challenges • Coordination of Efforts Across Departments and with Subcontractors • Integration of Utility and Customer Distribution Energy Resources • Distribution Automation • Asset Management • Security – Cyber & Physical • Establishing Secure Communications Network • Development of Appropriate Systems and Related IT Architecture • Customer Participation in DG and Demand Response Programs • Regulatory and Tariff Impacts • Integration of New Market Participants • Cross-jurisdictional Issues

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