Hi i have quite a lot of credit and sent an email regarding a refund. Just wondering how long this usually takes. Thanks!

What I can recollect from similar queries is that it takes about 5 days (discounting Sat & Sun) . Have you met the criteria mentioned on this page:

@sophiebakerx I have just replied to your email, if you could get us an electricity reading we can see if we can offer a refund.