A system for street light lighting control and for Internet-of Things control for monitoring solar power generation includes a solar panel configured to generate photovoltaic-based electricity using sunlight; a battery configured to store the electricity generated by the solar panel; a solar controller configured to control the battery to store the electricity; and a street light controller configured to control lighting of at least one street light using the electricity stored in the battery, wherein the solar controller includes a battery information detection module configured to detect remaining charge information and discharging time information, which are charging/discharging status information of the battery and a communication module configured to transmit the remaining charge information and discharging time information to a monitoring server, wherein the communication module transmits the charging/discharging status information, the remaining charge information, and the discharging time information to the monitoring server through a low-power wide area network.