In 2006 CE products used about 11% of U.S. residential electricit...
In 2006 CE products used about 11% of U.S. residential electricity, accounting for about 4% of total consumption, said a report commissioned by CEA for release Wed. at CES. CEA has said it financed the study to amass “high-quality…
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research” for honing policies on CE energy consumption, after seeing too much energy policymaking based on faulty data. The report’s biggest caveat: It doesn’t include data on DTV power use. The report will be updated in spring to include those data, said author Tiax LLC, a consulting firm in Cambridge, Mass. DTV test procedures are being developed and the scant DTV data available are on sets sold in 2004, Tiax has said. A holdup: The International Electrotechnical Commission (IEC) is writing standardized methods for measuring DTV energy consumption, but there has been “much disagreement” in that body due to geographic variations in TV set use, CEA has said. Average annual unit energy consumption (UEC) varied widely by device, the study found. Products with the highest UEC -- desktop PCs, stand-alone PVRs, analog TV sets -- used an order of magnitude more electricity per product than those with the lowest UEC -- cordless phones -- the study said. In 2006 analog TVs accounted for 36% of total CE energy use, the report said. In active mode, analog TV power draw has grown with screen size, the report said. Desktop and notebook PC power draw also has grown, it said. But the UEC of all PC and monitors has fallen over time because notebook PCs and LCD monitors make up more of the mix, the report said.