Colorado's state geologist says the state rests on a vast energy reserve -- but he's not talking about coal, oil or natural gas.
Vince Matthews has put together a report and map outlining the state's geothermal resources.
Direct geothermal generation has been limited to areas where superheated steam flows out of the ground, but new technologies have made it possible to generate power from water that leaves the ground at temperatures below the boiling point.
Matthews says that kind of water can be found in many parts of Colorado, including the San Luis Valley and the Arkansas Valley from Salida to Buena Vista.
Matthews says Colorado fields likely could produce about five megawatts -- enough to serve local communities.