FILE - In this Tuesday, March 10, 2015 file photo, electricity pylons cross the skyline of Johannesburg city, background. South Africa's troubled power utility has been implementing a series of power cuts nationwide, intensifying concern about attempts to spur growth in one of Africa's biggest economies.
FILE - In this Tuesday, March 10, 2015 file photo, electricity pylons cross the skyline of Johannesburg city, background. South Africa's troubled power utility has been implementing a series of power cuts nationwide, intensifying concern about attempts to spur growth in one of Africa's biggest economies. Themba Hadebe, File AP Photo
FILE - In this Tuesday, March 10, 2015 file photo, electricity pylons cross the skyline of Johannesburg city, background. South Africa's troubled power utility has been implementing a series of power cuts nationwide, intensifying concern about attempts to spur growth in one of Africa's biggest economies. Themba Hadebe, File AP Photo