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Hwange Power Station expansion 65pc complete

The major expansion of Hwange Thermal Power Station by the addition of units 7 and 8, each of 300MW, is now 64,63 percent complete despite Covid-19 amid finance challenges that have pushed back completion by 258 days.

Government is happy with the progress of the US$1,5 billion project so far. This third phase at Hwange sees the installation of two giant boiler-turbine-generator sets with a combined capacity of 600MW plus the necessary extensions to the cooling towers and other civil and electrical engineering works. It started in August 2018 following ground-breaking by President Mnangagwa a month earlier.

When the extension is complete Hwange will have four 120MW units from the first phase, two 220MW units from the second stage and the two 300MW units from the new third phase to give a total capacity of 1520MW.

Along with the additions, the older units, not all of which are fully operational, are being renovated and upgraded in a continuous programme. Thermal stations require a high level of continuous maintenance work, with necessary replacement of parts that wear out, and during past economic downturns some of this was skimped.

The first new unit was expected to go live in October this year while the other was expected to be supplying the drid next year in January, but the Covid-19 outbreak affected progress.

The project is a joint venture between Sino Hydro Mauritius with 36 percent shares and Zimbabwe Power Company with 64 percent, through a company called Hwange Electricity Supply Company.

Engineers told Minister of State for Matabeleland North Provincial Affairs and Devolution Richard Moyo who toured the ZPC site yesterday accompanied by stakeholders, that work had now started on a new national grid transmission line with the erection of pylons had started along the way from Hwange to Bulawayo and wiring will start soon.

The extra power being generated requires extra transmission capacity.

Work is underway for the construction of a new sub-station just south of the existing power station where the older six units and new pair will interconnect.

Hundreds of workmen in electricity engineering were seen busy working with overall work now at 64,63 percent, against a target of 90,08 percent.

The new giant cooling tower, measuring 150 metres in height, 120 metres diameter at its base and 70 metres diameter at its top, is almost complete while work on turbines and furnaces is also underway.

Engineers said the delays were a result of effects of Covid-19, challenges with interim payment certificates (IPC) by China Eximbank, delays in paying the contractor hence affecting manufacturing of required equipment, logistics and manpower mobilisation.

They said if the challenges were addressed, Unit 7 could be up in January next year and Unit 8 a little later.

Speaking during the tour, Minister Moyo appreciated the challenges and promised to interact with Finance and Economic Development Minister Professor Mthuli Ncube to iron out payment challenges.

“We have seen that you are working despite the challenges and we are impressed by the amount of work going on. We will try to intervene in terms of funding and I will talk to the Minister of Finance,” said Minister Moyo.

The tour was meant to take stock of construction work following ground-breaking of the project by President Mnangagwa in 2018.

“We would want to thank President Mnangagwa for investing such huge amounts of money to this project. Today we were visiting two years after he did ground-breaking and we have seen that work is moving despite the challenges related to delays in releasing finances from Treasury.

“Covid-19 also affected and some of the engineers are not yet here. So far I am impressed with the work going on here, it shows they are working. They say they are behind schedule by 258 days so we need to push for release of funds so they don’t stop again,” Minister Moyo told journalists.

Project manager Engineer Forbes Chanakira said Unit 7 should have started but its start-up is now expected on January 8, 2022 all things being equal. We should be at 90,08 percent overall now but because of Covid-19 we are at 64,63 percent, with a delay of 258 days. Covid-19 affected design, manufacturing and logistics, manpower mobilisation,” he said. Herald

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