Update your contact info in SmartHub so we can reach you if necessary. It's a snap on the SmartHub app! Pay with credit card, debit card or check by phone at 1-844-REMCPAY. SmartHub is the easiest way to pay. Pay by phone at 1-844-REMCPAY. Update your contact info in SmartHub so we can reach you if necessary. Use the SmartHub app to see your daily meter readings and save money NOW! Update your contact info in SmartHub so we can reach you if necessary. Pay on SmartHub or call 1-844-REMCPAY.