A fuel cell power generation system capable of providing both electric vehicle charging power and normal power, includes a fuel cell system, a radiator configured to cool the fuel cell system, a main hydrogen storage unit provided at one side of the fuel cell system, the main hydrogen storage unit being configured to store hydrogen to be supplied to the fuel cell system, a power boosting unit provided to overlap fuel cell system in a vertical direction, the power boosting unit being configured to boost power generated by the fuel cell system, a power distribution unit configured to distribute the power boosted by the power boosting unit, and a partition unit configured to prevent heat discharged from the radiator from being transferred to the main hydrogen storage unit, the power boosting unit, and the power distribution unit.