A renewable energy powered street light which provides off-grid lighting. Powered by a combination system of a vertical axis wind turbine, a solar panel, and a rechargeable battery system. Twerly™ uses a vertical axis wind turbine (VAWT) to harvest wind energy and a standard 140W photovoltaic (PV)

SUNSPOT is a solar thermal power plant with rock-bed storage, containing a unique set of patented and individually licensable Stellenbosch University technologies. The SUNSPOT cycle is appropriate and efficient for generating, storing and deploying solar power in arid regions.

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The technology uses a clear polymer film embedded with luminescent compounds that absorb high-energy UV light and re-emit it as blue light, which solar cells can convert more efficiently into electricity. This film works with all types of solar panels and can be applied to existing installations