WATCH | Energy expert: SA on the cusp of Stage 7 blackouts

JOHANNESBURG - South Africa is on the cusp of record-breaking Stage 7 blackouts.

That's according to energy analyst Ted Blom.

READ: Eskom says Stage 6 power cuts to continue indefinitely

Eskom earlier implemented Stage 6 blackouts until further notice.

The embattled power utility says it's been unable to deal with the high number of breakdowns since Tuesday night.

WATCH: Stage 8 rolling blackouts can't be ruled out - energy analyst

Its emergency generation reserves are also not enough and are being preserved.

"If they don't resolve Stage 6 by tomorrow [Thursday], we'll move to Stage 7 because we're about to lose another 1,000MW when they take unit 1 of Koeberg down for refurbishment for six months," he said.

"So yes, we're on the cusp of record-breaking Stage 7 load-shedding."