JOHANNESBURG - Electricity Minister Kgosientsho Ramokgopa continues to visit coal-fired power stations across the country.
During his visit to Medupi and Matimba, he highlighted the design flaws in the construction of Medupi.
READ: SA's electricity crisis | Ramokgopa visits Limpopo power stations
The minister says structural alignment is the biggest challenge at Medupi.
“If you where, you don't have a situation where there were corrupt intentions, corrupt means, you can see that the intention was to cut corners," he said.
READ: SA's electricity crisis | Ramokgopa tours troubled Tutuka
"Six years into the life of a very young plant you're beginning to see these defects, and management tells us that once a unit fails, it's only then that they see the compromised quality of these materials.
"And you see that the country and economy is paying a heavy penalty for that."
* eNCA’s Heidi Giokos reports.