Eleven KPP member public power utilities operate and maintain 46 generating units with a combined proven capacity of 183,242 kilowatts.  Most of the generating units are internal combustion engines, however, some utilities also have steam turbines or pad-mounted internal combustion generators.  Most of the internal combustion units are dual-fuel and can run on either diesel oil or natural gas.  Some units operate on diesel oil only or natural gas only.