According to the information received from Eskom
(a) The frequency of inspections of pylons varies between 3 monthly to 10 yearly, depending on the categorisation of the infrastructure.
(b) Eskom currently has 7281 inspectors.
(c) Eskom has a total of 11 599 773 pylons across the country.
(d) Eskom conducts extensive condition monitoring time based maintenance on pylons, and powerlines according to prescribed maintenance standards. Preventative maintenance includes: