Northern Taiwan accounts for 45 % of the island's power consumption yet supplies only 26 % of the island's electricity, with power transmission from the south making up the difference.
台灣北部的用電量佔全省用電量的百分之四十五，但北部電廠的供電量僅佔全省供電量的百分之二十六，不足的部分向來仰賴南電北送。