HVAC Breaking News

June 5, 2014: New Standard Enables Devices to Communicate Power Consumption

Consumer Will Be Able to See How Much Energy Individual Devices Are Using

SEATTLE, Wash. — The Consumer Electronics Association (CEA) announced that CEA-2047, CE-Energy Usage Information, has been approved as a new CEA standard. This standard enables devices such as air conditioning systems to communicate how much energy they use to consumers’ computers, mobile devices running smart-energy apps, and third-party energy management services.

The Green Button initiative — an industry-led effort that provides consumers with easy access to their energy usage data — defines how consumers can access a history of their home’s energy usage from their smart meters. However, the initiative does not tell them how much energy a particular device or appliance uses, and getting that information requires either an external metering device or the device itself to make the measurement.

CEA-2047 recognizes that a manufacturer knows how much energy a device will use during operation based on its design. This information can be programmed into the device and used to calculate its energy usage over time, without adding complex metering circuitry. An energy management system or a smart-energy app can then gather the information over the network and present it to consumers on their PCs or mobile devices. CEA-2047 is compatible with the Green Button initiative.

CEA-2047 also enables the Internet of Things to be energy-aware. The standard can be used by devices operating on any home network including Wi-Fi, Ethernet, ZigBee, Z-Wave, Bluetooth, and others. And because the standard uses estimation rather than real-time measurement, it is anticipated that almost any communicating device in the home will be able to easily add this capability.

Bill Rose, chair of CEA’s R7.8 working group that developed the standard, said, “With CEA-2047/CE-EUI, energy consumption in the Internet of Things can be broken down to individual devices such as appliances, pool pumps and heaters, air conditioning systems, and other devices so consumers can see exactly where, how much, and when electricity is being used. The standard will also enable consumer-authorized, third-party developers and services to grow by providing them the information they need to help consumers save on their energy bills.”

CEA cooperated with the Smart Grid Interoperability Panel (SGIP) on the development of CEA-2047. The standard will now be submitted to the American National Standards Institute (ANSI) to become an American National Standard.

For more information, visit www.ce.org.

Publication date: 6/2/2014

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