Method carried out by a remote cabinet, the remote cabinet comprising a DSLAM and a power unit, the method comprising providing power to the remote cabinet connected to a network: providing a broadband service from the remote cabinet to a plurality of equipment at the customer, CPE, of the subscriber, by means of respective wired lines, where each of the plurality of CPEs receives power from the respective subscriber installations electrical network and is configured to connect electric power, in each of the plurality of subscriber installations, from the subscribers electrical network to a respective wired line, where the electrical energy is converted from AC energy to DC energy and the DC energy is regulated by a DC / DC power supply of the equipment at the subscribers customer premises; determine, by the power unit, the load represented by the DSLAM and consume energy from each CPE according to the number of CPEs capable of providing energy; regulate an amount of energy consumed by a team at a subscribers customer premises based on a number of teams at the subscribers connected customer facilities, capable of providing power; and receive regulated DC power, through the respective wired line, where the remote cabinet includes DC voltage regulation circuits to adapt to electrical power requirements for the remote cabinet and distribute the energy required by the DSLAM load evenly between The subscribers.