South Africa's Eskom cuts to 4,000 MW from grid after generating units fail

South Africa's cash-strapped state utility Eskom on Thursday imposed its biggest power cut this year in Africa's most advanced economy when more than five power generating units failed. The utility, which supplies virtually all of South Africa's power, slashed about 10 percent of electricity supplies from the national grid as it struggled to avoid a total system collapse. Eskom said that it was moving its controlled outages to "Stage 3" from "Stage Two," which