The invention relates to a low-carbon performance comprehensive evaluation system for intelligent power distribution and utilization systems. The low-carbon performance comprehensive evaluation system comprises an index system establishment module, an index evaluation standard and weight obtaining module and a performance comprehensive evaluation module, wherein the index system establishment module is used for establishing a low-carbon index system; the index evaluation standard and weight obtaining module is used for obtaining the evaluation standard and index weight of each index in the low-carbon index system; and the performance comprehensive evaluation module is used for calculating the index value of each index in an intelligent power distribution and utilization system to be evaluated according to the low-carbon index system, and obtaining the low-carbon performance comprehensive level of the intelligent power distribution and utilization system to be evaluated according to the index values and the evaluation standards and index weights. Compared with the prior art, the low-carbon performance comprehensive evaluation system is capable of carrying out comprehensive analysis and diagnosis on the low-carbon levels of the intelligent power distribution and utilization systems and assisting to find the low-carbon weak links of the systems, and has the advantage of being correct and reliable in evaluation result.