Beginning in 1991, there have been rotating power shutoffs and rationing for industrial and urban districts. Though in no year has power rationing been used on more than 20 occasions, already makers of emergency diesel generators have made a fortune.
從民國八十年起，每年夏天在工業、都會區實施的分區輪流限電、停電，平均每年尚未超過二十次，就已使販售大樓與工廠可自行發電應急的柴油發電機業者大發利市。