A power distribution system (50, 150, 250), comprising: a primary power distribution node defining a set of primary distribution switches, each having an input connected to a dischargeable power supply, an output and operable in a first conducting mode and a second non-conducting mode, and wherein operating in the second non-conducting mode includes a leakage current through the primary distribution switch, and including a primary power distribution node power source (58, 158) configured to receive a first power, and supply a second power to an output, the second power less than the first power; and a controller module associated with the primary power distribution node and configured to: identify a subset of electrical loads designated to be energized during a non-operational state of the power distribution system, defining a set of enabled electrical loads, wherein the subset of electrical loads is a subset of a set of electrical loads; identify a subset of secondary power distribution nodes (30, 230) not including any of the set of enabled electrical loads, wherein the subset of secondary power distribution nodes (30, 230) is a subset of a set of secondary power distribution nodes (30, 230); switchably disconnect the subset of secondary power distribution nodes (30, 230) from the dischargeable power supply, by way of opening a subset of the primary distribution switches positioned in a primary power distribution node upstream of the respective subset of secondary power distribution nodes (30, 230); and supply the second power to the output of the opened subset of the primary distribution switches, wherein the second power reduces leakage current across the respective primary distribution switch, wherein the power distribution system is configured to distribute power through the primary power distribution node, the secondary power distribution nodes, or a subset thereof, to the set of electrical loads (46, 48). a primary power distribution node defining a set of primary distribution switches, each having an input connected to a dischargeable power supply, an output and operable in a first conducting mode and a second non-conducting mode, and wherein operating in the second non-conducting mode includes a leakage current through the primary distribution switch, and including a primary power distribution node power source (58, 158) configured to receive a first power, and supply a second power to an output, the second power less than the first power; and a controller module associated with the primary power distribution node and configured to: identify a subset of electrical loads designated to be energized during a non-operational state of the power distribution system, defining a set of enabled electrical loads, wherein the subset of electrical loads is a subset of a set of electrical loads; identify a subset of secondary power distribution nodes (30, 230) not including any of the set of enabled electrical loads, wherein the subset of secondary power distribution nodes (30, 230) is a subset of a set of secondary power distribution nodes (30, 230); switchably disconnect the subset of secondary power distribution nodes (30, 230) from the dischargeable power supply, by way of opening a subset of the primary distribution switches positioned in a primary power distribution node upstream of the respective subset of secondary power distribution nodes (30, 230); and supply the second power to the output of the opened subset of the primary distribution switches, wherein the second power reduces leakage current across the respective primary distribution switch, wherein the power distribution system is configured to distribute power through the primary power distribution node, the secondary power distribution nodes, or a subset thereof, to the set of electrical loads (46, 48). identify a subset of electrical loads designated to be energized during a non-operational state of the power distribution system, defining a set of enabled electrical loads, wherein the subset of electrical loads is a subset of a set of electrical loads; identify a subset of secondary power distribution nodes (30, 230) not including any of the set of enabled electrical loads, wherein the subset of secondary power distribution nodes (30, 230) is a subset of a set of secondary power distribution nodes (30, 230); switchably disconnect the subset of secondary power distribution nodes (30, 230) from the dischargeable power supply, by way of opening a subset of the primary distribution switches positioned in a primary power distribution node upstream of the respective subset of secondary power distribution nodes (30, 230); and supply the second power to the output of the opened subset of the primary distribution switches, wherein the second power reduces leakage current across the respective primary distribution switch, wherein the power distribution system is configured to distribute power through the primary power distribution node, the secondary power distribution nodes, or a subset thereof, to the set of electrical loads (46, 48).