SOUTH Africa will launch a bidding process for an extra 2,500 megawatts (MW) of nuclear power by March, as the country attempts to tackle its worst power outages on record. Businesses and households have been left without power for up to 10 hours on some days this year, hitting South Africa's economic output and prompting plans to boost generation. However, officials said on Tuesday that the new nuclear power procurement is not a short-term fix, as the first units are only expected to start operating in a decade. "We are excited about the prospects and we are confident about our…