According to one embodiment of the present invention, a method for determining an energy-saving (ES) compensation cell in a wireless access system comprises: a step of transmitting an ES compensation candidate request message to confirm whether the ES compensation state can be changed from a first base station to a second base station; a step of receiving, from the second base station, an ES compensation candidate response message for indicating the switch to the ES compensation state; a step of receiving, from the second base station, an ES candidate cell indicator message including an ES state cell list for indicating third base stations to be additionally switched to the ES state; and a step of determining the ES compensation cell on the basis of the ES compensation candidate response message and the cell list.