load-shedding

or load·shed·ding

[ lohd-shed-ing ]
/ ˈloʊdˌʃɛd ɪŋ /

noun

the deliberate shutdown of electric power in a part or parts of a power-distribution system, generally to prevent the failure of the entire system when the demand strains the capacity of the system.

Origin of load-shedding

First recorded in 1945–50

British Dictionary definitions for load shedding

load shedding

noun

the act or practice of temporarily reducing the supply of electricity to an area to avoid overloading the generators