Already four years behind schedule, the Limpopo coal power station is now only projected to be fully on line by 2019 at the earliest.
Eskom spokesperson Khulu Phasiwe said that while the week looked clear on load shedding they still couldn't rule out the possibility of power cuts.
Feeling out of the loop as you return from holiday? We bring you up to date with important news you may have missed during the festive season.
Eskom has warned that its R7-billion profit will not be enough to meet its revenue shortfall over the next five years and keep the lights on.
Medupi delays have led to the utility forking out nearly R2-billion in penalties to supplier Exxaro.
At first we were told unit one of Medupi was vital to Eskom's capacity issues. But now government says its contribution would have been negligible.
Reports claim Eskom is diverting electricity to Botswana while South Africans face rolling blackouts and appeals to reduce power consumption.
The time might have come for the ANC to reconsider its investment arm Chancellor House as a commercial venture, says treasurer general Zweli Mkhize.
South Africa can expect electricity next year from coal-fired power stations Medupi in Limpopo and Kusile in Mpumalanga.
Power utility still searches for its capital division head.
A wildcat strike at Eskom's Medupi plant has turned violent, with two cars stoned and unconfirmed reports that they were set alight by protesters.
The utilityâ€™s board is still trying to find a suitable candidate to replace its finance director.
PODCAST: We find out how the setback at Eskom's Medupi power station will affect the country's power supply and economic growth.
The power utility didn't have the competence and capacity for an expansion like this, say analysts.
When Eskom's last build cycle ended in the early 1990s, the utility restructured and redeployed experienced engineering staff to operations.
Medupi has failed on so many levels, but will the minister carry out his 'heads will roll' threat?
Despite strong words from Malusi Gigaba earlier this year against the delay of its construction, the project will be set back. What went wrong?
The completion of just the first unit of the Medupi power station in Limpopo, is to be delayed, pushing the project's deadline back into next year.
Concerns that South Africa is a hair's breadth from experiencing rolling power cuts.