Wits engineers have built an affordable off the grid system - and they want it to power whole villages
- The engineers say the home-based electrical grid solution can easily integrate multiple energy sources – from solar panels to batteries.
- This makes it possible to grow a household’s ‘off the grid capacity’ bit by bit.
- Eventually they want them to become much larger grids to power entire neighbourhoods and villages.
- The system is designed to be user-friendly and can be easily up scaled without the need to hire a trained technician.
- Basic kits are expected to start at R3,500.
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Called the Personal Consumer grid innovation, it is a home-based electrical grid solution that can easily integrate multiple energy sources – from solar panels and wind turbines to batteries and 12 volt appliances.
The system is designed to be user-friendly and can be easily up scaled without the need to hire a trained technician.
The innovation makes it possible to expand and grow a household’s ‘off the grid capacity’ which can be linked up to power entire neighbourhoods and villages, especially in remote areas where installing conventional electrical infrastructure is often deemed too expensive. Essentially, a household can grow its ‘off the grid capacity’ bit by bit.
It is the brain child of Professor Willie Cronje and a team of engineers from the Electric Power Research Group at the University of the Witwatersrand’s School of Electrical and Information Engineering (EIE).
“Current off-grid solar home solutions do not accommodate multiple or different types of power sources, and multiple or different types of batteries. They restrict the number of loads i.e. appliances that can be connected. The Wits solution, which works on 12V direct current, can accommodate multiple loads, power and battery components and no central controller, or configuration by a technician is needed: each unit self-configures as the ‘grid’ is expanded in a plug-and-play approach,” said Cronje.
“We have an opportunity to make a real impact in communities by literally lighting up lives throughout Africa whilst creating jobs and driving local economy through PeCo Power," said Muhammed Aswat, Wits alumni and Engineering Manager at PeCo Power.
The engineers believe it can help:
- Rural households and small businesses that are far from the electricity grid.
- High-density informal settlements in urban settlements.
- Camping and off-roading sites.
- Emergency Services such as when NGOs, relief organisations and government organisations require bulk distribution of power, e.g. where a natural disaster has cut off access to electricity.
The company wants to provide a basic starter kit from R3,500:
*Cost's are estimate valuations, subject to change.
Along with promoting renewable energy the model also contributes to lowering the serious fire risk associated with the use of paraffin, candles and wood.
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