Add Additional Accounts to Member Portal-Mobile
Select “Pay Online (Member Portal)” from the stemc.com home page or go to stemc.utilitynexus.com in your internet browser.
Log in to your account.
1. Click on
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2. Click on MY PROFILE.
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3. Scroll down to Add Account to User Profile. Click ADD ACCOUNT.
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4. Enter your 12 digit account #
5. Answer 1 of 3 other questions.
6. Click ADD ACCOUNT.
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