Power utility Eskom on Wednesday called on consumers to switch off geysers, pool pumps and all non-e.
Spokesman Motsamai Motlhaolwa said about 200 households, which were believed to to have settled on dangerous land, were removed from the area in late 2009 into early 2010.
"There are no other families living under dangerous conditions," he said. "But as part of a programme to era dicate informal settlements the department is continuing with plans to develop new formal townships where these families can be relocated."
People have been staying at Tudor Shaft since 1996.
World expert in uranium products Chris Busby visited Tudor Shaft last year and warned that residents should be relocated immediately since radiation levels were 15 times higher than normal.
He said part of the area where people were removed was also a wetland.