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The California Building Standards Commission created standards, referred to as Title 24, to promote energy efficiency in commercial buildings. In the latest release of these energy standards, several very stringent metering and monitoring requirements have been put into place, with provisions requiring the separate reporting of HVAC, interior and exterior lighting, and plug loads.

A recognized influencer in future code development,Title 24-2013 includes some important mandates:

  • Metering electrical loads with specific data points dependent on service size
  • Services < 250 kVA: instantaneous kW demand, resettable kW
  • Services from 250-1OOOkVA: instantaneous kW demand, resettable kWh + historical peak demand
  • Services > 1000 kVA: instantaneous kW demand, resettable kWh, historical peak demand + kWh per rate period
  • Non aggregated measurement of electrical load energy use
  • Services > 50 kVa: specific load types must be individually monitored
  • Higher service levels, specific load types may also be required to be measured by floor, type, or area (specifically lighting, HVAC, plug loads, and renewable generation sources)
  • Demand responsive controls and equipment
  • Equipment capable of receiving and automatically responding to at least one standard based messaging protocol which enables demand response after receiving demand response signal.


Building energy codes like ASHRAE 90.1-2013, the national reference standard, and leading state-specific codes like California's Title 24, continue to evolve. The newest code revisions both contain new submetering provisions.

As the national reference standard, ASHRAE 90.1 sets the minimum acceptable level for all nonresidential construction nationwide.

New construction requires:

  • Total electrical energy
  • HVAC systems
  • Interior lighting
  • Exterior lighting
  • Receptacle circuits

For multi-tenant buildings, these loads must be separately monitored both for the total building and for each tenant (excluding shared systems). In addition, the code requires specific recording and reporting of energy data:

  • Automatically record energy use at least every 15 minutes
  • Report use at least hourly. dally. monthly. and annually
  • Provide subtenant energy data to each Individual tenant
  • Retain energy data at least 36 months

Cyber Switching Products Offer the Solution to These Requirements

Cyber Switching's smart submetering solutions provide the cutting-edge technology to meet these Title 24 mandates. Ease of installation with real-time monitoring of vital data points make Cyber Switching submeters an ideal choice for optimum facility management.

Scalability and future expansion is a snap with the submetering modules. The required monitoring is achieved through sophisticated recording and reporting back to a centrally located dashboard. Compliance requirements for tracking and retaining historical records of energy use are included in the feature set. Optional software modules can also accommodate tenant billing.

While today's needs focus on code compliant monitoring, tomorrow's objectives will emphasize power quality and reliability. With an eye on the future, Cyber Switching is motivated to provide technical solutions to enhance and utilize the earth's precious energy resources while improving a company's bottom line.

The Cyber Switching Submetering Solution provides a platform that embraces the entire spectrum of energy performance, from efficiency to reliability and quality.

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