When will i get a refund from Bulb?

I switched to another supplier and know that I have credit with Bulb. When will I get this money back as it has been ages now and my account must have been sorted?
I have already started paying my new provider so please refund the money owed to me.

I switched to another supplier and know that I have credit with Bulb. When will I get this money back as it has been ages now and my account must have been sorted? I have already started paying my new provider so please refund the money owed to me.