The Collaborative International Dictionary of English v.0.48:
load-shedding \load-shedding\ n. The act or process of disconnecting the electric current on certain lines when the demand becomes greater than the supply. [WordNet 1.5] LoadsmanWordNet (r) 3.0 (2006):
load-shedding n 1: cutting off the electric current on certain lines when the demand becomes greater than the supply