The purpose of this study is to build an integrated, intelligent resource-saving, and monitoring system to solve problems of over consumptions of electronic-power and groundwater, as well as the fish overwintering problem on traditional aquaculture. The system includes a wireless sensor network (WSN), a set of photovoltaics (PV), a digital electronic power (EP) meter, a digital water meter, and a multiparameter water-quality meter with monitoring and feed-back controls to achieve the goals of reduction of CO2 emission and land subsidence. The damage of aquaculture by the cold weather can also be reduced with a heater attached PV.