The first quarter of 2021 kicked off on a somber note with the full manifestation of the effects of COVID-19 which was not only life threatening, but also evoked anxiety. Regrettably, some of our staff members succumbed to the COVID-19 virus and our heartfelt condolences go out to bereaved families and friends.  In a bid to eschew the spread of COVID-19 in the workplace, Zimbabwe Power Company provided employees with facemasks, sanitizers and buses to ferry employees to and from work, ensured regular disinfection of the buses, pool vehicles and offices, temperature detection at entrances and employee rotations in a bid to decongest the work place.


ZPC strives to achieve the set target of zero harm to people, plant and environment.  In the first quarter of the year, we recorded a total of three (3) Lost Time Injuries. The cumulative Loss Time Injury Frequency Rate (LTIFR) for ZPC for the 1st Quarter stands at 3.78 which is above the ZPC Target limit of 3.0. To mitigate injuries in the workplace, ZPC conducts quarterly safety audits to ensure that all health and safety procedures are being adhered to.  Continuous training of staff is done in order to remind them of safety procedures and requirements, as well as constant inspection of work stations to ensure safe working environments.


Apart from the effects of COVID-19 the first quarter of 2021 was a challenging period for the organization as generation was depressed at Hwange Power Station, the country’s largest Thermal Power Plant.  As a result, ZPC sent out 1745.70GWh against a target of 1813.02GWh, representing a negative variance of 3.71%. The output was however 34.92% above the output for the same period in 2020.


Hwange Power Station operated with an average of two units during the quarter against a target of five units and sent out 411.42GWh of energy missing its quarterly target by 55.78%. Unit 3 continued to be unavailable throughout the period under review as it was on an extended major overhaul. Reliability of units 1, 4 and 5 was also affected owing to overdue planned outages and the fire incident which occurred on February 10, 2021 and caused extensive damage to units 1 and 2. The situation was worsened by the unavailability of Unit 6 towards the end of January due to leaking hydrogen coolers.


Generation at Kariba Power Station had to be ramped up to compensate for the low generation levels at the thermal plants.  Zambezi River Authority allocated 30Bm3 of water to ZESCO’s Kariba North Power Station and ZESA’s Kariba South Power Plant for generation in 2021. This translates to Kariba South Power Station having an annual water allocation of 15Bm3, which corresponds to an annual average capacity of 381MW. Kariba lake levels rose from 478.38m at the beginning of the quarter to 481.84 at the end of March 2021, representing a 3.46m increase in lake level over the quarter.


The lake level at the end of the same quarter last year was 477.83m thus a 4.01m favourable difference. This implies improved water situation in 2021 hence an anticipated water allocation increase. As at the end of Q1, the station had utilised 5.43Bm3 of water and generated at an average of 594MW, thus the station remains with 9.57Bm3 for generation for the remainder of the year.


The Small Thermals sent out a combined 50.69GWh of energy thereby missing the quarterly target which was set at 76.98GWh by 34.15%. This was a great improvement from Q1 2020 where the stations sent out a total of 11.67GWh. Generation was constrained mainly due to coal stock outs at Munyati and low boiler plant availability at Bulawayo Power Station.


Taking a closer look at the projects being undertaken by Zimbabwe Power Company, Hwange 7 and 8 Power Station Expansion Project which is expected to add 600MW to the national grid, registered progress of 58,29% at the beginning of the quarter and closed at 62.54% against a planned progress of 85.9%. The project was affected by IPC outstanding payments as well as effects of Covid-19. Significant milestones in the quarter included arrival and hoisting of Unit 7 & 8 generator transformers, tower erection as well as steam turbine installation.


Zimbabwe Power Company and Exim Bank of India signed a contract for the upgrade of the Deka pumping station and construction of a 42km pipeline on the 21st of January this year, with an Indian consortium having won the tender. The project kick off meeting was held on the 25th of February 2021. Project commencement is expected in the second quarter of the year upon fulfilment of conditions precedent. The deal will solve the perennial water supply problem at Hwange Power Station, the country’s largest coal-fired power plant, which currently requires  about 3 500m³ of raw water per hour for power generation. This may increase to about 6 000m³/hr when the two expansion units are in operation.

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