I have designed and built several cost-cutting solar power systems (I would estimate that my designs halve the usual, total cost). These light up several houses at the moment (one is pictured on the right). They have proved to be very popular. That is, those who see these systems in use really want to have the same.
OBSERVATION: But the trouble is, in every case, people cannot come up with the money, so in special cases, I give away systems as gifts. I would estimate the wholesale cost of lighting up a four-room house for five years, with the ability to power small devices, at R600 ($50). But nearly 50% of our population live in poverty, so R600 is steep.
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