An information communication device connected to a basic network (2, 14), the basic network (2, 14) including an electric system network and a communication system network, the electric system network supplying electricity to an indoor electric device via a smart meter, the communication system network being established in parallel with the electric system network wired and/or wireless-communicating with the smart meter, the information communication device comprising: a communication unit (21, 32) having an infrastructure communication function used for wireless LAN communication with another device via the basic network (2, 14) normally and an ad-hoc communication function used for the wireless LAN communication with another device without using the basic network; a monitoring unit configured to detect a failure in the basic network (2, 14) or a recovery of the basic network (2, 14) from the failure; a communication function switching unit (20, 31, 42) configured to switch a communication function of the communication unit (21, 32) from the infrastructure communication function to the ad-hoc communication function upon a detection of the failure in the basic network (2, 14) by the monitoring unit, and to switch a communication function of the communication unit (21, 32) from the ad-hoc communication function to the infrastructure communication function upon a detection of the recovery from the failure by the monitoring unit; a storage to store a contact used to inform the failure in the basic network (2, 14) or the recovery of the basic network (2, 14) from the failure; a creation unit configured to create notification information of the failure in the basic network (2, 14) upon the detection of the failure in the basic network (2, 14) by the monitoring unit, and to create notification information of the recovery of the basic network (2, 14) from the failure upon the detection of the recovery of the basic network (2, 14) from the failure by the monitoring unit; a control requesting unit configured to create, in a case where communication with a neighboring self-power-generating device located within a coverage of the wireless LAN using the ad-hoc communication function is enabled, a control instruction such that the self-power-generating device supplies electricity to the smart meter and the information communication device itself; and a transmitting unit configured to transmit the notification information generated by the creation unit to the contact retrieved from the storage and to transmit the control instruction generated by the control requesting unit to the self-power-generating device, by means of a switched communication function. a communication unit (21, 32) having an infrastructure communication function used for wireless LAN communication with another device via the basic network (2, 14) normally and an ad-hoc communication function used for the wireless LAN communication with another device without using the basic network; a monitoring unit configured to detect a failure in the basic network (2, 14) or a recovery of the basic network (2, 14) from the failure; a communication function switching unit (20, 31, 42) configured to switch a communication function of the communication unit (21, 32) from the infrastructure communication function to the ad-hoc communication function upon a detection of the failure in the basic network (2, 14) by the monitoring unit, and to switch a communication function of the communication unit (21, 32) from the ad-hoc communication function to the infrastructure communication function upon a detection of the recovery from the failure by the monitoring unit; a storage to store a contact used to inform the failure in the basic network (2, 14) or the recovery of the basic network (2, 14) from the failure; a creation unit configured to create notification information of the failure in the basic network (2, 14) upon the detection of the failure in the basic network (2, 14) by the monitoring unit, and to create notification information of the recovery of the basic network (2, 14) from the failure upon the detection of the recovery of the basic network (2, 14) from the failure by the monitoring unit; a control requesting unit configured to create, in a case where communication with a neighboring self-power-generating device located within a coverage of the wireless LAN using the ad-hoc communication function is enabled, a control instruction such that the self-power-generating device supplies electricity to the smart meter and the information communication device itself; and a transmitting unit configured to transmit the notification information generated by the creation unit to the contact retrieved from the storage and to transmit the control instruction generated by the control requesting unit to the self-power-generating device, by means of a switched communication function.