"Pratt & Whitney Power Systems … recently demonstrated a mobile geothermal power generation unit at the 2009 Geothermal Energy Expo in Reno, Nev. … PureCycle® technology allows customers to relocate valuable energy generating capability from one geothermal or waste heat resource to another as circumstances dictate. …"
" … system can generate electricity from various heat sources with temperatures between 190 and 325 degrees Fahrenheit …."
" … new feature is the self-contained cooling system that uses resource water to replenish the cooling tower water, thus eliminating the need for a separate fresh water source … demonstrates how low temperature geothermal technology that can diversify the nation’s energy supply with base load renewable energy while creating jobs and economic benefits."
Via: United Technologies Corp. LINK