A transport refrigeration system including: a transport refrigeration unit configured to provide conditioned air to a refrigerated cargo space of a transport container; a fuel cell configured to provide electricity to the transport refrigeration unit; one or more supplemental power sources configured to provide supplemental electricity to the transport refrigeration unit; and a power management module configured to manage the electricity and the supplemental electricity provided to the transport refrigeration unit, wherein the power management module is configured to detect a condition of the transport refrigeration unit that requires supplemental electricity and provide the supplemental electricity to the transport refrigeration unit from the one or more supplemental power sources.