For an enhancement of a function and the applicability of SPREEM, S DHC is chosen by reason of high level machinery and biggest in Japan. Machinery performance, system performance and operational method are investigated. At first, construction and specification of the machinery of the DHC are shown. Cold and thermal supply and energy consumption of the machinery are shown. The analysis of operation of boiler, cogeneration and refrigerators are shown. And the analysis of the transportation power to send to consumers is shown. High accuracy and valuable data are taken out.
