Office Hours
Monday - Thursday: 8:00 a.m. to 4:30 p.m.
Friday: 8:30 a.m. to 4:30 p.m.
Contact Us
Phone: 763.441.2020
Fax: 763.441.8099
After-hours Outages
After-hours Water Emergencies
Mailing Address
P.O. Box 430
Elk River, MN 55330-0430
Utilities Office Address
Field Services Building Address
At ERMU, we make it easy and convenient to set up or access account information with innovative technology and unparalleled customer service. Explore account information or contact one of our highly trained customer service professionals for assistance.

View billing and payment options, including online bill pay and a detailed explanation of how to read your bill.

Log into SmartHub to manage your account, view your bill, or make a payment.

View information to start or stop service within ERMU’s territory for both residential and commercial customers.

During the Cold Weather Rule time period, ERMU can make special payment arrangements for customers who are unable to pay their bills in full.

You may be eligible for energy assistance programs through Tri-County Action Program (Tri-CAP) or other local organizations.

In order to protect customer data, ERMU has instituted specific measures to safeguard your personal information.

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