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The IP-enabled grid – more than just smart meters

The IP-enabled grid – more than just smart meters. Henning Schulzrinne Department of Computer Science Columbia University. Overview. Motivations: utilities: demand reduction (DR)  cuts expensive peak power smart meters  avoid meter readers, better outage information

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The IP-enabled grid – more than just smart meters

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  1. The IP-enabled grid – more than just smart meters Henning Schulzrinne Department of Computer Science Columbia University

  2. Overview • Motivations: • utilities: • demand reduction (DR)  cuts expensive peak power • smart meters  avoid meter readers, better outage information • storage management  plug-in hybrids as energy storage • consumers: • cost reduction: DR, automated temperature adjustment • convenience: pre-heat/cool home, vacation home monitoring • Integration with other communication technologies

  3. Components and Interactions “alert: power outage!” BPL “wash at 1900” “what’s the projected cost of a kWh at 1500?” “charge at 2300”

  4. Future developments • Appliances and lights with built-in networks • Zigbee (802.15.4), powerline Ethernet? • Smarter commercial buildings • quantitative standards for energy efficiency rather than LEED list • occupancy sensors for lighting and heating more energy efficient than electronic

  5. Need for integration • Notification • Data aggregation • feed energy usage into neighborhood data base • Other • use cell phone GPS to predict home arrival? • use calendar to track absences? power outage at your parents’ house

  6. What’s needed? • Avoiding stovepipe systems • No maintenance, no configuration • literally, plug-and-play • Protocol and technology needs: • notification of events • control of devices (heating, appliances, vehicle, …) • discovery of other sensors and devices • Some existing efforts, but often legacy • designed for commercial use (e.g., BACnet) • specific to one L2 technology (e.g., Zigbee) • cumbersome security (manual password configuration)

  7. A role for SIP? NOTIFY “power outage!” NOTIFY “new rate: 15c/kWh” MESSAGE “start wash!”

  8. Conclusion • Consider system as a whole • including home & building security • Integration with other services • intelligence may not be in meter • not just home-local • Security and zero maintenance: designed in, not bolted on • Role for existing IP communications protocols?

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