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Zambia to ration electricity for domestic customers

| Updated: December 05, 2022 13:16:11


People watch as the spillway gates are opened at Kariba North Bank dam on Lake Kariba to reduce rising water levels as a measure to protect the dam February 11, 2008. Zambia and neighbour Zimbabwe said on Monday they had placed military forces on flood alert after opening a floodgate at a key dam that is expected to force Mozambique to evacuate 100,000 people REUTERS/Mackson Wasamunu (ZAMBIA) People watch as the spillway gates are opened at Kariba North Bank dam on Lake Kariba to reduce rising water levels as a measure to protect the dam February 11, 2008. Zambia and neighbour Zimbabwe said on Monday they had placed military forces on flood alert after opening a floodgate at a key dam that is expected to force Mozambique to evacuate 100,000 people REUTERS/Mackson Wasamunu (ZAMBIA)

Zambia will start rationing electricity supply to domestic consumers from Dec 15 following a big drop in water levels in lake Kariba, threatening hydropower generation, Energy Minister Peter Kapala said on Friday.

Water levels in the lake have dropped to 4.1 per cent of usable storage for the Kariba North Bank Power Station in Zambia and the Kariba South Bank on the Zimbabwean side of the lake, Kapala told parliament.

“The low water level situation in the lake Kariba threatens the power generation from both the Kariba North Bank Hydropower station and Kariba South Bank Hydropower station,” Kapala said.

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 Zambia and Zimbabwe.

Hydropower contributes more than 75 per cent of Zambia’s power generation.

Kapala said it was projected that if the current water utilisation continued, the remaining water for power generation would not be enough for power generation from mid-December.

To avoid a complete shut-down of the two power stations, the Zambezi River Authority has told Zimbabwe to cut generation to a maximum of 300 MW and Zambia to a maximum of 800 MW, Kapala said.

“We anticipate that this will translate into a load management regime starting on the 15th of December, 2022 of up to six hours daily,” Kapala said.

The Kariba North Bank Power Station has an installed capacity of 1080 megawatts (MW) while the Kariba South Bank Power station in Zimbabwe has a capacity of 1050 MW.

The two countries jointly manage the water in the lake through the Zambezi River Authority.

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