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Re-activateWatt meters like the Kill A Watt ($25) and Watts Up ($96) are designed to help you measure how much electricity appliances, electronic equipment, and other devices around your house use during active or standby mode.
This knowledge, the theory goes, will allow you to save money—perhaps you'll replace an old appliance that's a particular energy hog, or maybe you'll unplug or shut down devices that use a lot of electricity in standby mode.
Watch our video (right) to learn more about the Kill A Watt and Watts Up and read our March 2009 story to get the results of our claim check.
Essential information: Learn more about smart meters, the technology of smart grids, and the Obama administration's plans for energy efficiency, including weatherization. Then discover what a negawatt is.
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