Study Quantifies Consumer Electronics' Share of Residential Energy Consumption
Dec 22, 2011
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Consumer electronics in U.S. homes in 2010 accounted for about 13% of the electricity consumption in an average U.S. home, according to a Consumer Electronics Association (CEA) report out this week. CEA called consumer electronics (CE) energy use a "relatively small share" of the homes electricity consumption.
How many CE devices?
• The number of CE devices in U.S. households: nearly 2.9 billion.
• The average number of devices per household, including battery operated devices: 25
The report said CE devices in homes accounted for:
• 13.2% of overall residential electricity consumption
• 9.3% of residential primary energy consumption
Within that 13.2%:
• TVs accounted for: 34%
• PCs: 16%
• set-top boxes: 13%.
The study estimated that the installed base of TVs rose from 342 million in 2009 to 353 million in 2010. At the same time, energy consumption of the installed TV base decreased as consumers continued to replace old cathode ray tube (CRT) TVs with flat panel TVs, which are inherently more energy efficient.
The study was commissioned by CEA and conducted by the Fraunhofer Center for Sustainable Energy Systems to quantify the electricity consumption of CE products in U.S. households in 2010.
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