Earth leakage tripping when Eskom power returns after load shedding

The problem started after a bad lightening strike. We put in a claim to ABSA ,they came out and said the earth leakage was old it was not their problem. We then got and electrician to replace the earth-leakage circuit breaker and install surge protection this did not solve the problem. We then then tried a different electrical company after our electrician stopped taking our calls - they had two attempts and then stopped taking our calls. We then got hold of Wisolar who had installed our solar system and they resolved the problem efficiently and kept us informed on progress and followed up frequently.