Are you talking general credit or solar credit ?Apparently regular credit (very low power user with govco credits, perhaps bill smoothing excessive credit, etc) can only be claimed by contacting AGL support.Solar credit can be also claimed like that too, OR you can "arrange to be paid periodically" . . . not sure how often, I know you can have an yearly anniversary date for credit refund to your bank, it could be as arranged too, perhaps twice a year or even quarterly. * I just found online you ...