New CEA Standard to Reveal How Much Energy Every Device in a Home Uses
A new standard from the Consumer Electronics Association (CEA-2047) will enable consumer electronics devices to communicate power usage to homeowners' computers and mobile devices.
Conceivably in the very near future, integrators’ clients will no longer have to wonder exactly how much energy their individual consumer electronics devices are using. The information will now be programmed into CE devices to spit out the power use to a homeowner’s mobile device (via an app), computer, or third-party power management service.
The standard, CEA-2047/CE-Energy Usage Information, was approved by the Consumer Electronics Association (CEA) at its Technology & Standards Forum in Seattle. CEA-2047 follows the path of The Green Button Initiative, an industry-led effort that provides consumers with easy access to their energy usage data. It 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.
As a standard, CEA-2047 is not required by manufacturer, but the standard 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 TVs, 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, says, “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.”
Publication of CEA-2047 parallels other initiatives within the industry to reduce and monitor energy consumption. Other CEA standards in this area include CEA-2037-A, Determination of Television Set Power Consumption and ANSI/CEA-2043, Set-top Box (STB) Power Measurement.
CEA cooperated with the Smart Grid Interoperability Panel (SGIP) on the development of CEA-2047. The standard will now be submitted to ANSI to become an American National Standard.
Jason has covered low-voltage electronics as an editor since 1990. He joined EH Publishing in 2000, and before that served as publisher and editor of Security Sales, a leading magazine for the security industry. He served as chairman of the Security Industry Association’s Education Committee from 2000-2004 and sat on the board of that association from 1998-2002. He is also a former board member of the Alarm Industry Research and Educational Foundation. He is currently a member of the CEDIA Education Action Team for Electronic Systems Business. Jason graduated from the University of Southern California. Have a suggestion or a topic you want to read more about? Email Jason at [email protected]
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