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Electricity

Thomas Edison would be amazed. The conventional light bulb is getting some serious competition from a 10-watt LED bulb -- the first winner of the Energy Department's L prize. <a href ="http://energy.gov/articles/winning-light-bulb-potential-save-nation-billions">Learn more about the winning light bulb with the potential to save the nation billions</a>.

Thomas Edison would be amazed. The conventional light bulb is getting some serious competition from a 10-watt LED bulb -- the first winner of the Energy Department's L prize. Learn more about the winning light bulb with the potential to save the nation billions.

Smart Meters Help Balance Energy Consumption at Solar Decathlon
The Team Tidewater Virginia smart meter, as seen on opening day, indicates the team generated 5 kW hours of electricity in the first several hours of the competition. | Image courtesy of Lachlan Fletcher, Studio 18a

Clouds, rain, thunderstorms… at Solar Decathlon Village? Oh my, you may say. But less-than-ideal weather conditions are no match for this year's teams, thanks to smart grid technology that is helping them monitor their energy consumption.

Electric Vehicle Battery Testing: It's Hot Stuff!
NREL's Large-Volume Battery Calorimeter has the highest-capacity chamber in the world for testing of this kind. From bottom clockwise:NREL researchers Matthew Keyser, Dirk Long & John Ireland | Photo Courtesy of Dennis Schroeder

A look at the Large Volume Battery Calorimeter, a tool developed by scientists at the National Renewable Energy Laboratory to optimize the performance and lifespan of electric-drive vehicle batteries.

Five Million Smart Meters Installed Nationwide is Just the Beginning of Smart Grid Progress
A 21st Century Grid includes increasing the overall efficiency of our generating, transmission and distribution system to facilitate the growth of renewable energy sources. | Energy Department Image

If Edison were transported in a time, he would be amazed by progress in lighting and sound recording, such as the LED light or the iPod. On the other hand, he would easily recognize much of the basic technology behind today’s power system.