By Emily Nitcher, Omaha World-Herald
When the project is done, the Capitol will be cooled and partially heated using geothermal energy. A geothermal well field will be installed in the ground in a city block around the Capitol. It will consist of 225 wells planted 670 feet into the ground. It will be a closed-loop system made up of a network of deep wells and pipes. The geothermal well field will not be cheap to install, but [State Capitol Administrator Steve Ripley] said it has the potential to serve more than one generation of heating and cooling systems in the Capitol. Click here to read more.
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Photos: The Nebraska State Capitol through the years
More About Geothermal Energy: U.S. Energy Information Administration (EIA)