抄録
This paper describes the performance evaluation of cogeneration system and thermal energy storage system in large hospital. Though usually cogeneration system and thermal storage system are divided, this hospital was installed both. Because it is necessary to be matching electric demand and heat demand in order to obtain the high efficiency, both systems were combined about electricity and heat. The ESCO project of the Hamamatsu Medical Center has successfully achieved the energy saving target in its first service year.