Traditional Payment Methods

  • Left in our Drop 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: Call Member Services at 866-752-4550. Please listen to the phone options and press "2" to make an electronic payment or to get your balance. 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.

  • Office Lobbies: Stop by one of our offices in Janesville, WI, and South Beloit, IL to pay your bill in person. Office locations are below. 

Janesville Headquarters

South Beloit Location