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Commissioned in 2005, the CCHP installation consists of 16 Capstone C60 MicroTurbines that provide the Library, located in Simi Valley, California, with 95% of its energy needs. “A lot of people didn’t know about this type of system when we first installed it. We’ve now had the system three years and it gives us the efficiency we were looking for,” Lehne said. “Exhaust gas from the running microturbines is collected and goes into the absorption chiller. The chiller has a closed water loop through it, which chills and gives us cold water for our air-conditioning system. Some of the turbines have a hot water loop on them, which gives us heat for our building as well. It provides power for the full campus and is clean burning. Overall we are pleased with the performance of the turbines, the efficiency of their electricity-generating capabilities, and the hot water they provide to the facility.”