New Zealand is small enough that a localized drought can have significant impact. Most of the people do indeed live in the North Island but most of the power is

New Zealand is small enough that a localized drought can have significant impact. Most of the people do indeed live in the North Island but most of the power is generated in the South Island, particularly around the Mackenzie Basin/Otago area (dry highlands). https://en.wikipedia.org/wiki/List_of_power_stations_in_New_Zealand https://en.wikipedia.org/wiki/List_of_power_stations_in_New_... - sort the hydroelectric by capacity - most of the major dams are in this area.