A computer-implemented method of power distribution network fault management (300, 500), the power distribution network having a first partition including at least one controller configured to execute the method responsive to a fault in the power distribution network, and a plurality of nodes configured to communicate with and be responsive to the at least one controller, each controller being configured to store network data, including at least one of device data, topology data, and power demand data, the method comprising: using the network data to determine a region in the first partition affected by a first fault; isolating the region affected by instructing a nearest upstream node and a nearest downstream node to interrupt conductivity to the region affected; and restoring power upstream of the first fault, including restoring conductivity through a first fault interrupt device between a source and the region affected, the first fault interrupt device having previously interrupted conductivity responsive to the first fault; characterised by: restoring power downstream of the first fault responsive to a power requirement and power availability, including analyzing the power requirement and the power availability, disconnecting a load to reduce the power requirement when the power availability is determined to be no more than the power requirement prior to disconnecting the load, and connecting at least one secondary source to the region affected downstream of the first fault; and wherein the power distribution network further includes at least a second partition with a respective controller having respective network data, and the computer-implemented method further comprises, responsive to a second fault interrupt device being tripped after connecting the at least one secondary source to the downstream portion of the affected segment: determining a location of the second fault interrupt device; determining a second fault location of the second fault; isolating the second fault (510, 530, 536); restoring power upstream of the second fault location (512, 532, 538); and restoring power downstream of the second fault location. using the network data to determine a region in the first partition affected by a first fault; isolating the region affected by instructing a nearest upstream node and a nearest downstream node to interrupt conductivity to the region affected; and restoring power upstream of the first fault, including restoring conductivity through a first fault interrupt device between a source and the region affected, the first fault interrupt device having previously interrupted conductivity responsive to the first fault; characterised by: restoring power downstream of the first fault responsive to a power requirement and power availability, including analyzing the power requirement and the power availability, disconnecting a load to reduce the power requirement when the power availability is determined to be no more than the power requirement prior to disconnecting the load, and connecting at least one secondary source to the region affected downstream of the first fault; and wherein the power distribution network further includes at least a second partition with a respective controller having respective network data, and the computer-implemented method further comprises, responsive to a second fault interrupt device being tripped after connecting the at least one secondary source to the downstream portion of the affected segment: restoring power downstream of the first fault responsive to a power requirement and power availability, including analyzing the power requirement and the power availability, disconnecting a load to reduce the power requirement when the power availability is determined to be no more than the power requirement prior to disconnecting the load, and connecting at least one secondary source to the region affected downstream of the first fault; and wherein the power distribution network further includes at least a second partition with a respective controller having respective network data, and the computer-implemented method further comprises, responsive to a second fault interrupt device being tripped after connecting the at least one secondary source to the downstream portion of the affected segment: determining a location of the second fault interrupt device; determining a second fault location of the second fault; isolating the second fault (510, 530, 536); restoring power upstream of the second fault location (512, 532, 538); and restoring power downstream of the second fault location.