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Submetering: Evolution, Technologies, Applications

Submetering: Evolution, Technologies, Applications. Outline. What is Electric Submetering? What are Smart Meters? Why Submeter? What to Submeter? Available Technology. What is submetering?. Submetering Alternatives. Master Metering One utility meter for the entire building

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Submetering: Evolution, Technologies, Applications

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  1. Submetering: Evolution, Technologies, Applications

  2. Outline • What is Electric Submetering? • What are Smart Meters? • Why Submeter? • What to Submeter? • Available Technology

  3. What is submetering?

  4. Submetering Alternatives • Master Metering • One utility meter for the entire building • Direct Utility Metering • The Utility Installs Meters and Manages Accounts for each Tenant • Building Owner Loads have a Separate Utility Meter and Account

  5. Why Not Direct Utility Metering? • Construction Costs vs Meter Costs • Loss of Flexibility • No Integration of Non-Utility Energy (Generator, Solar, Wind, etc) • Little Added Value to Tenants

  6. What are “Smart Meters?” • Tells You WhenPower is used, How Fast it is Consumed • Remote Access to Data • Most Smart Meters Provide Added Data that Details the Efficiency of the Particular Circuit. vs.

  7. Tenant billing: Transfer Energy Costs Reasons to Submeter:

  8. Tenant Submetering:Integrating renewables (vs direct metering)

  9. Reasons to Submeter: Building Management: Control of Building Systems, Moment to Moment.

  10. Reasons to Submeter: Energy Management: Understanding Trends Over Time. Acting on Data to Reduce Energy Use.

  11. Energy Management:Conservation programs

  12. Energy management:Load shedding, curtailment, demand response

  13. AIRPORTS RESIDENTIAL COMMERCIAL MIXED USE Submetering applications New construction | Gut rehab | Retrofit

  14. Available technology:Individual meters

  15. Available technology:High density meters

  16. Available Technology: Communications • Wired • Proprietary • BMS interface (Modbus, BACnet, LONworks, etc) • Ethernet • Wireless • Radio • WiFi • ZigBee • Power Line Carrier • Hybrid

  17. Available technology:Software • Proprietary • Controls / BMS / BAS • Third-party • Energy management firms • Energy consultants • Reading and billing firms

  18. Comments

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