Energy crisis deepens as power utility doubles cuts to 12 hours a day
10 January 2023 - 19:37
byChris Mfula
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Lusaka — Zambia has started rationing electricity supply to mining firms following reduced power generation after a big drop in water levels in Lake Kariba, the chair of state-owned power utility Zesco said on Tuesday.
Water levels in the lake were down at 1.66% of usable storage on Monday for the Kariba North Bank Power Station in Zambia and the Kariba South Bank Power Station on the Zimbabwean side of the lake, said the Zambezi River Authority, which manages the dam.
The north bank power station has an installed capacity of 1,080MW, while the south bank power station in Zimbabwe has a capacity of 1,050MW. Hydropower contributes to more than 75% of Zambia’s electricity generation.
“We requested them to give away 180MW but after negotiations we went down to 110MW,” the utility’s chair Vickson Ncube said, referring to mining companies in Africa’s second-largest copper producer.
Last week, Zesco doubled the number of hours it cut supply to domestic customers to 12 hours from six hours daily as the low water levels in the lake threatened power generation.
Water levels in the lake have fallen due to reduced inflows from the Zambezi river and its tributaries and heavy use by power generation companies in Zimbabwe and Zambia.
Ncube said power rationing was expected to be reduced by the middle of next month as water levels increased and full generation was to likely resume in March.
Support our award-winning journalism. The Premium package (digital only) is R30 for the first month and thereafter you pay R129 p/m now ad-free for all subscribers.
Zambia extends electricity rationing to mines
Energy crisis deepens as power utility doubles cuts to 12 hours a day
Lusaka — Zambia has started rationing electricity supply to mining firms following reduced power generation after a big drop in water levels in Lake Kariba, the chair of state-owned power utility Zesco said on Tuesday.
Water levels in the lake were down at 1.66% of usable storage on Monday for the Kariba North Bank Power Station in Zambia and the Kariba South Bank Power Station on the Zimbabwean side of the lake, said the Zambezi River Authority, which manages the dam.
The north bank power station has an installed capacity of 1,080MW, while the south bank power station in Zimbabwe has a capacity of 1,050MW. Hydropower contributes to more than 75% of Zambia’s electricity generation.
“We requested them to give away 180MW but after negotiations we went down to 110MW,” the utility’s chair Vickson Ncube said, referring to mining companies in Africa’s second-largest copper producer.
Last week, Zesco doubled the number of hours it cut supply to domestic customers to 12 hours from six hours daily as the low water levels in the lake threatened power generation.
Water levels in the lake have fallen due to reduced inflows from the Zambezi river and its tributaries and heavy use by power generation companies in Zimbabwe and Zambia.
Ncube said power rationing was expected to be reduced by the middle of next month as water levels increased and full generation was to likely resume in March.
Reuters
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