Sounds like a new NBN NTD box required. Fibre itself is impervious to lightning, but mains supplied equipment is not. TPG will arrange for NBN to replace when they've done their tests. No doubt you've sent a mod a private message with your full details?
We've edited your post as it contains your account details.
Please avoid posting any personal or account information on a public thread as it may compromise your security.
We've responded to your PM and will wait for you to complete the verification.