Thin Film Solar Panels developed at the National Renewable Energy Laboratory.
This solar thermal system heats domestic water at the Jefferson County Jail by a glycol ethylene system which circulates through the parabolic trough collectors into a coil system in the 4000 gallon tank.
In his State of the Union speech, President Obama said "nowhere is the promise of innovation greater than in American-made energy." But how close are we to large-scale use of alternative energy sources?