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City Power upgrades substations

City Power is upgrading Pennyville and Mondeor substations in the south of Johannesburg. The two substations are undergoing infrastructure build upgrades and this will increase City Power’s capacity to provide reliable power supply to residents.

Environment and Infrastructure Services MMC Nico de Jager said in order to future-proof these upgrades, City Power made sure that new service connections can be made from the substations without compromising the stability of the grid.

“After completion of these two refurbished substations, they will add importance to the City Power grid, which will ease the burden of the R170 billion infrastructure backlog. This will upgrade grid will be able to handle a high demand of electricity during peak hours. The building of a primary plant at Mondeor Substation is 90% complete.  The upgrade, which will cost R134 million, will allow the transfer of electricity from Eikenhof to Mondeor substations. This will ensure that Mondeor Substation becomes a back-up power supplier to Rand Water Board, in the event of a power failure at Eikenhof substation”, said Jager.

The completion of Pennyville Substation’s switching station will increase capacity and ensures that transfer of power between Fordsburg and the future Quattro substance.  Jager added that this R97 million upgrade would cater for growth in the inner city and act as a backup for Delta Substation.

“With the installation of Scada, DC-system and telecommunications equipment at these substations, monitoring, gathering and processing of real-time data will allow City Power to detect fault on the network much earlier. As refurbishment continues, City Power is undertaking to avoid any power destruction because of the process. If extreme circumstances necessitates that power be switched off, residents will be informed in advance. Maintaining our electrical grid plays a significant role in driving much-needed economic growth and creating work opportunity”, said Jager.

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