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Johannesburg - The energy department warned that South Africa faces unplanned power outages unless R68bn was invested in the electricity maintenance infrastructure backlog, the Star reported on Wednesday.
The backlog went from R38bn in 2006/2007 to R68bn according to a study, the department told parliament on Tuesday.
Energy department acting director general Wolsey Barnard said outages like the one in Johannesburg on Monday were caused by poor maintenance.
"If we keep doing the wrong things we are doing, not maintaining infrastructure, we will continue to see the trend," he was quoted as saying.
Nothing to do with Eskom
The problem would require fixing of distribution lines, substations and switch gears.
One metro in Gauteng had 400 outages between July 2013 and June 2014 because of poor maintenance of infrastructure, he said.
These had nothing to do with Eskom.
He told journalists on the sidelines that lack of maintenance had been due to lack of money by municipalities - who were not using money on the tariff structure to fix infrastructure.
