An energy management system 1 is provided with an SOFC unit 100 and a gas meter 200. The gas meter 200 includes: a control unit 230 that stops gas supply when continuous use of gas lasts a specific period; and a transmission unit 220 that transmits a stop ...

The method involves deploying data loggers (5-7) at separate locations (13-15) on a supply network including several branching pipelines (1) for drinking water. The flow sounds of the medium flowing at the arrangement locations of data loggers are recorded...