Eskom was forced to turn off the lights this week following a number of breakdowns at plants.
Gordhan said there are a number of key problems at Eskom.
He explained the problems facing the power utility were operational, financial, and a lack of skilled and proficient labour.
The minister said the issues at Eskom are like a huge onion and peeling away the layers will help to understand the issue.
Gordhan stated an arms-length assessment by local and international engineers is being conducted and will be complete as soon as possible.
* Watch the full interview below.