the ip-enabled grid – more than just smart meters
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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 - PowerPoint PPT PresentationTRANSCRIPT
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The IP-enabled grid – more than just smart meters
Henning Schulzrinne
Department of Computer Science
Columbia University
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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
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Components and Interactions
BPL
“what’s the projected cost of a kWh at 1500?”
“wash at 1900”
“charge at 2300”
“alert: power outage!”
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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
more energy efficient than
electronic
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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
power outage at your parents’
house
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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)
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A role for SIP?
NOTIFY“power outage!”
MESSAGE“start wash!”
NOTIFY“new rate: 15c/kWh”
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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?