How can Zambia overcome power cuts and soaring tariffs?

Zambia is grappling with its worst drought in 60 years, severely affecting water levels in the Kariba Dam, which supplies hydroelectric power. Citizens face over 21 hours of daily power rationing. National power utility ZESCO has proposed emergency tariff hikes of between 50% and 156% — raising concerns about the crisis' impact on the economy and poverty alleviation.