Originally Posted by
fatlard
It has been a couple days later.
I do not think they will close my account. Not sure if they legally can. Here are the rules for overpayment for my state.
https://www.ilga.gov/commission/jcar...00G01100R.html
My account is now zeroed out. I will have to monitor when the check comes. I will put $1000 next time and request a refund next time.

You're paying the utility directly with a credit card? And then requesting a refund and getting a cheque?