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The Industrial and Commercial sectors are the largest electricity energy consumption. Building-s system that used the biggest electrical energy consumption, especially in the Industrial and commercial sectors, are air conditioning systems, lighting systems, and building transportation systems. Energy Saving Performance Contract (ESPC) could be an alternative to support implementation of energy efficiency in the building sector up to 10-30%. This study investigates the application of ESPC in the retrofit of the air conditioning system in Industrial and Commercial building, Chiller. Chiller retrofit can produce electrical energy efficiency of 210 MWh / year or reduce electrical energy consumption by up to 30% with a 5-year payback period investment. This study can be broadened to develop application of ESPC in Indonesia.