Smart grid project for Naledi community


Several projects were launched in Naledi Municipality, Vryburg, during March 2017, by then-Minister of Energy, Tina Joemat-Pettersson, and the mayor of Naledi Local Municipality, Neo Skalk.

The first was the handover of the “Greening Technologies” to Tygerkloof Combined School. The Greening Technologies are part of the Working for Energy Programme launched by the Department of Energy in 2009, and is implemented through the South African National Energy Development Institute (SANEDI).

The objective of the Working for Energy Programme is to provide clean energy solutions to rural and low-income urban communities with special emphasis on job creation, skills development and community enterprise development. The focus of the programme is on bioenergy derived from bio-waste, with more emphasis on agricultural waste.

Naledi Local Municipality is implementing a Revenue Enhancement Project that addresses the challenges within the entire value chain of the electricity operations of the municipality. The efforts that have been invested in this project have been steered to achieve advanced metering infrastructure, integrated value chain management, tariff redesign, customer audit and segmentation, energy balancing and back-office integration.

At the Tygerkloof Combined School, Joemat-Pettersson handed over a central water purification system to soften all borehole water fed to the solar water heaters and in general to all other geysers on campus. There are 20 x 300 l high-pressure solar water heaters installed in the dormitories. A 20 m3 biogas digester was installed near the kitchen. It will use a combination of main kitchen food waste, cow and pig manure (from the school farm), and the bio-effluent form, the digester is an organic bio-fertiliser which is being used across the campus.

The Naledi substation was switched on, on the same day. It has a capacity of 10 MVA and is connected from the existing Eskom substation by 11 km, 22 kV supply line. The sub-station was built to supply all the new extensions from Extension 25 in Vryburg. The sub-station supplies 1500 households in Extension 25 and 1000 households in Extension 28 which are in the process of being electrified.

Contact Thandiwe Maimane, Department of Energy, Tel 012 406-7470,

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Source: EE plublishers

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