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Understanding Electric Submetering: Technologies, Applications, and Benefits

This comprehensive guide explores electric submetering, smart meters, and their applications across various sectors including residential, commercial, and mixed-use. Discover the advantages of submetering, such as enhanced energy management, integration of renewable energy sources, and improved tenant cost accountability. We delve into different metering alternatives like master metering and direct utility metering, discussing the technologies available today, including individual and high-density meters, as well as communication methods like wired, wireless, and hybrid systems.

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Understanding Electric Submetering: Technologies, Applications, and Benefits

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Presentation Transcript

  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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