The output power of renewable energy has thecharacteristics of random fluctuation, which have the harmfuleffect on stability of renewable power grid and causes the problemof low utilization ratio on renewable energy output power. Thus,this paper proposed a method to predict the output power ofrenewable energy based on data mining technology. Data miningis performed using linear regression algorithm, decision tree, andrandom forest. The simulation experiment results show thevariation of solar

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... iation size and inclination angle, whichimproves solar panel position control accuracy and solar energyutilization in solar photovoltaic power generation systems. Andthis provides the scientific basis for theory and application of theefficiency of utilizing solar energy.