Residential Efficiency-NREL

Austin Home Goes Green, Achieves Net-Zero Energy

How One Austin Home Produces More Energy Than It Uses

State Impact, July 14, 2014

As the mercury rises in Texas, so does our energy use. Air conditioners will work overtime to keep your house cool. And when that happens, the Texas grid can become stretched thin. One solution is to build more power plants to meet growing demand. Another is to simply get Texans to use less energy.

“The cheapest and cleanest electricity is the electricity you don’t use,” says Kate Zerrenner, a Project Manager in the Texas office of the Environmental Defense Fund that focuses on energy efficiency and the energy-water nexus.

To see how far efficiency can go, I visited one of the newest – and smallest — power plants in Austin. Forget smokestacks and huge transmission lines: this “power plant” is actually a modest three-bedroom house in the Allandale neighborhood, right off Burnet Road. It’s classified as a “Net Zero” home, meaning it produces as much energy as it uses. Or in this case, it actually produces more energy than it needs.

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