Power and data distribution, PADD, module, comprising: a plurality of first power supply interfaces, each configured to be connected to a plurality of power supply lines (P; P1; P2; P3); a data bus interface configured to be connected to a data bus (D; D1); a plurality of power output interfaces (26; 27; 28; 29; 40), each configured to be connected to one or more electrical loads and to supply electrical power from one of the first power supply interfaces to the connected electrical loads; a plurality of voltage distribution modules (19; 20) coupled between the plurality of first power supply interfaces and the plurality of power output interfaces (26; 27; 28; 29; 40) and configured to provide AC or DC voltage via the power output interfaces (26; 27; 28; 29; 40); a load shedding module (17; 37) configured to receive load shedding information; and a data concentrator (31; 36) configured to receive redundant load shedding information via data communication over the data bus (D; D1) and to transmit the redundant load shedding information to the load shedding module (17; 37), wherein the load shedding module (17; 37) is further configured to shed one or more electrical loads connected to the plurality of power output interfaces (26; 27; 28; 29; 40) depending on the received load shedding information and the received redundant load shedding information; characterized in that the PADD module further comprises a secondary power supply interface configured to be connected to other PADD modules; and a solid state power controller coupled to the secondary power supply interface, wherein the load shedding module (17; 37) is further configured to control the solid state power controller depending on the received load shedding information and the received redundant load shedding information; and wherein the load shedding module (17; 37) is configured to receive load shedding information via data communication over one or more of the plurality of power supply lines (P; P1; P2; P3). a plurality of first power supply interfaces, each configured to be connected to a plurality of power supply lines (P; P1; P2; P3); a data bus interface configured to be connected to a data bus (D; D1); a plurality of power output interfaces (26; 27; 28; 29; 40), each configured to be connected to one or more electrical loads and to supply electrical power from one of the first power supply interfaces to the connected electrical loads; a plurality of voltage distribution modules (19; 20) coupled between the plurality of first power supply interfaces and the plurality of power output interfaces (26; 27; 28; 29; 40) and configured to provide AC or DC voltage via the power output interfaces (26; 27; 28; 29; 40); a load shedding module (17; 37) configured to receive load shedding information; and a data concentrator (31; 36) configured to receive redundant load shedding information via data communication over the data bus (D; D1) and to transmit the redundant load shedding information to the load shedding module (17; 37), wherein the load shedding module (17; 37) is further configured to shed one or more electrical loads connected to the plurality of power output interfaces (26; 27; 28; 29; 40) depending on the received load shedding information and the received redundant load shedding information; characterized in that the PADD module further comprises a secondary power supply interface configured to be connected to other PADD modules; and a solid state power controller coupled to the secondary power supply interface, wherein the load shedding module (17; 37) is further configured to control the solid state power controller depending on the received load shedding information and the received redundant load shedding information; and wherein the load shedding module (17; 37) is configured to receive load shedding information via data communication over one or more of the plurality of power supply lines (P; P1; P2; P3).