The California Energy Commission adopted mandatory energy efficiency requirements for external power supplies in December 2004, which will take effect in July 2006. A number of other states followed with very similar standards: Arizona, Massachusetts, New York, Oregon, Rhode Island, and Washington. These standards will take effect in 2007 or 2008.

A number of component manufacturers and power supply manufacturers have already developed compliant technology. The Power Supply Efficiency Standards Forum allows these manufacturers to list what technologies they have available and provide contact information for those seeking additional information about compliant external power supply offerings.

Similarly, a number of consumer electronics product manufacturers have reported difficulty obtaining compliant power supplies through their traditional supply chain. The Power Supply Efficiency Standards Forum allows them to report any difficulties they are experiencing and to acquire information from others in the CE and power conversion industries that might help them locate compliant external power supplies rapidly and cost effectively

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