Traditional Payment Methods

Delivered in person: 7:30 a.m. to 4 p.m. Monday through Friday at either of our offices: 2815 Kennedy Road, Janesville, or 15229 Willowbrook Road, South Beloit.

Left in our night depository boxes: Located as you exit the parking lots at both offices. Please don't leave cash in the boxes.

Mailed to: P.O. Box 3081, Milwaukee, WI 53201-3081. Please don't mail cash.

Phoned in to: Member Services at 608-752-4550 or 866-752-4550 between 7:30 a.m. and 4 p.m. Monday through Friday or 855-201-3304 after hours. Payment can be made using a credit card, debit card, or check. Please note that our payment processor charges a $3.95 convenience fee for each of these transactions. Rock Energy does not set this fee or receive any portion of it.