The Canadian company gets paid in the local country’s currency for the power from the solar farm, so the company has invested in a Chili pepper plantation beside the solar farm, and sells the chili peppers on the international market for a return on their investment in dollars. There is farming, and then there is farming.
If Africa can keep the American hands off the country, it will happen. Africa gets mega-huge amounts of sunlight, the perfect place for solar farms.