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Why do we have load shedding?

Since 2007, the country experienced load shedding as a result of the shortage of capacity in the country. What exactly is load shedding?

Load shedding simply stated is a controlled temporary way of cutting power to parts of the country when there is not enough electricity to meet the needs of customers. This is as a result of a shortage of capacity and a high demand for electricity.

In the past, and when ZESA had excess capacity, we would have comfortably gone through maintenance, unplanned outages, load losses, and an increase in demand without affecting customers. Given the current capacity shortage ZESA was forced to introduce load shedding.

ZESA's business is one of supply and demand. When you need electricity - to switch on a light, cook, send a fax, print a document, or watch television, ZESA has to supply the power to meet that demand. ZESA's system controllers on a daily basis, - 24 hours, 7 days a week, 365 days a year - have to balance this supply and demand.

On a typical work day, demand starts increasing from two o’ clock in the morning, climbing steadily as people wake up, get ready for work, open shops, factories and offices. Between seven and ten o’ clock, the system experiences its morning peak load. The load then eases off until the evening peak. Demand starts to increase from about four o’ clock when people return home and switch on televisions and stoves. Between six and nine o’ clock, the system experiences its evening peak load.

Any problem on the system such as a breakdown at a power generation station or on a transmission line, can impact the supply to customers.. When this happens, the system is unable to meet the demand of customers. ZESA system controllers under these conditions have no choice but to implement load shedding as a last resort.

Load shedding is done on a rotational basis nation-wide at ZESA's request. ZESA customers being load shed will experience a power failure for not more than 5 hours.

Customers can obtain load shedding schedules on the ZESA website www.zesa.co.zw or by contacting their nearest customer’s service centers for more information.

The Zimbabwean power system will remain vulnerable for the next five to eight years given the shortage of capacity to generate more electricity.This is a national challenge that requires all of us to contribute towards a solution.

Together we have the power to save.

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Load Shedding Status

    Minimal
    Light

 
  Moderate
    Heavy
    Severe

Power Generation Stats

Gen Station

27 September 2017

Energy
(Megawatts)
Hwange

506 MW

Kariba 716 MW
Harare

   0 MW

Munyati 16 MW
Bulawayo 

12 MW

Imports   0-450 MW
Total

 

1580 MW

Comparative Average Tariffs

  • Global Tariffs
Click here
  • Regional Tariffs

US14c kWh

  • Zimbabwe Tarriffs

US9.83c kWh

Contact Details

+263 4 773302/04-10,
+263 4 773314/16/18/19/24/28-31/34,
+263 4 774491/96/98-9

Fax:+263 4 774542/3
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Address:     Electricity Centre
                       25 Samora Machel Ave
                       Harare

ZESA HOLDINGS Private Limited © 2013

Developed By Total IT Solutions Zimbabwe

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Load Shedding Status

    Minimal
    Light

 
  Moderate
    Heavy
    Severe

Power Generation Stats

Gen Station

27 September 2017

Energy
(Megawatts)
Hwange

506 MW

Kariba 716 MW
Harare

   0 MW

Munyati 16 MW
Bulawayo 

12 MW

Imports   0-450 MW
Total

 

1580 MW

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Major Power Faults

 

 

 

ZESA HOLDINGS (PVT) LTD

 

 

 

POWER SUPPLY UPDATE

 

ZESA Holdings would like to advise its valued customers countrywide of the reduction in generation at Kariba Power Station due to depleted dam water levels, commencing on Tuesday 1st September 2015 at 1800hrs, in compliance with the Zambezi River Authority (ZRA) requirement to scale down on water consumption.

 

Generation will consequently be reduced from the normal 750MW to 475MW until dam levels have risen to the requisite levels.

 

During this period, the Zimbabwe Power Company (ZPC) will take full advantage of the reduction of Units in service at Kariba to undertake the annual statutory maintenance, scheduled to be conducted between the 1st of September 2015 and 28 January 2016.

 

Whilst generation at thermal power stations is not affected by hydrological issues, Units at Hwange Power Station will also undergo statutory maintenance which will be completed by 7 October 2015, to ensure greater safety and reliability going forward.

 

The power utility further advises customers that the planned annual maintenance of Hwange and the reduction in water levels at Kariba dam will lead to changes being effected to the previously publicized load shedding schedule.

 

Consumers will experience suppressed power supplies until generation is brought back to normal levels.

 

Although the effects of load shedding will be minimized with possible power imports where available, ZESA Holdings urges consumers to use the available power very sparingly to minimize the extent and duration of load shedding.

 

ZESA Holdings sincerely apologises for the unavoidable inconvenience caused.