抄録
Tokyo Gas has commercialized 1kW-class PEFC residential Co-generation systems. As of 30^<th> March 2007, 310 PEFC Co-generation systems have been already used in actual households by Tokyo Gas's FC partnership customers. This paper explains how the systems work and summarized the annual performance of 117 systems which have been operated for more than a year in Tokyo area. It is found that PEFC Co-generation system can reduce primary energy consumption of households by not only high performances of PEFC with itself but also operation control algorithm called "Tokyo Gas Intelligent Control".
