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Pay Your Bill

Log-in to mySuperior to make regular payments online within a secure environment.


Order Fuel

Log-in to mySuperior to order fuel for your home or business.


Become a Customer

Serving Duluth area residents for 46+ years. Let us earn your business.

Contact Us

Reach out to learn more about how we can meet your energy needs.

4985 Miller Trunk Highway
Hermantown, MN 55811

Business Hours: 
Monday – Friday: 7:30 AM – 4:30 PM
Saturday – Sunday: CLOSED


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Attention Curtis Oil Customers!

We’re pleased to bring you our upgraded Customer Portal, mySuperior. New features will make it easier to find information and manage your account.

 What you need to know:

  •  If you are already registered on the current portal, all you’ll need to do is set a new password. Look for further instructions in your email associated with your account.
  • Not registered yet? No worries, it's easy. Click on the button below and then on the next page click “Register Here” to get started.

Continue to Account Login