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Sierra Leonean Innovator’s Saltwater Power Breakthrough Could Electrify Off-Grid Africa

Sierra Leonean Innovator’s Saltwater Power Breakthrough Could Electrify Off-Grid Africa
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Across Africa, access to affordable and reliable electricity remains one of the continent’s most persistent challenges, particularly in off-grid rural areas. As solar struggles during rainy seasons and fossil fuels prove costly, local innovators are turning to homegrown, sustainable solutions that rethink how energy can be generated and used.
In Sierra Leone, one such breakthrough comes from Oswald Abioseh Dundas, an inventor who turned a personal tragedy into a transformative idea. Faced with a power outage while his infant son relied on hospital oxygen, Dundas began experimenting with salt water as a power source. The result? A technology that instantly generates electricity when salt and water are added, no charging required, no noise, no pollution.
Dundas explained that unlike solar panels or generators, his saltwater-powered lamps and devices work instantly and are ideal for communities without access to the grid. He emphasized how this approach can bridge the energy poverty gap across Africa, without dependence on expensive or imported technologies.
“So one of the reasons why it's also very affordable and reliable is because you don't need to wait for it to get charged. The moment you turn the salt and water inside the device, you will have 100% charge. Whether it be in a lamp, a power bank, a power station, whether it is for a grid, whatever way or model the device is in, the moment the reaction starts, you have full charge,” Dundas explained.
To find out more on how he generates electricity using salt water, tune in to Global South Pole podcast, brought to you by Sputnik Africa.
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