The present invention relates to a system to save power for a fish farm by controlling a seawater pump based on IoT. The present invention includes: a step of analyzing a proper saving capacity of a seawater pump by analyzing a natural savable capacity by tide, a savable capacity according to the capacity of a seawater tank and water area, and a savable capacity by oxygen and flowrate control a step of setting up an optimal seawater pump control strategy through control scheduling according to the features of a fish farm, seawater pump control scheduling according to a time difference between tides, and sequential control procedure analysis for the maximum total saving and a step of controlling water rotation according to an inverter control amount and a pump operation rate by executing power-saving through IoT-based control on the seawater pump, monitoring the proper control state according to seawater pump scheduling, and scheduling and controlling the use of minimum power for operating a heater pump for maintaining an appropriate growth environment and analyzing a correlation between a growth environment and power consumption per device. As such, since state information for the operation of a seawater pump is collected in real time in accordance with fish farm conditions such as temperature, surface temperature, wind direction, tide information and the like, power consumption in a specific section is predicted based on the current power consumption of the fish farm through remote inverter control, and thus, the present invention is capable of saving energy by automatically generating an appropriate pump control schedule in accordance with a required power saving amount.본 발명은 IoT 기반의 해수펌프 제어를 통한 양식장 전력 감축 시스템에 관한 것이다. 본 발명의 그 구성은 조수간만에 의한 자연적 절감 가능용량, 해수탱크 용량 및 수면적에 따른 절감 가능용량, 산소 및 유속제어를 통한 절감 가능용량을 분석하여 해수펌프 적정 감축용량 분석하는 단계 간만조에 따른 양식장 특성에 따른 제어 스케줄링, 해수온, 조수간만 시간차에 따른 해수펌프 제어 스케줄링, 최대 총량 절감을 위한 순차적 제어 절차 분석을 통해 최적의 해수펌프 제어 전략 수립을 수립하는 단계 IoT기반 해수펌프 제어를 통한 전력 감축
