One-Time Payment Mobile
1. Select “Pay Online (Member Portal)” from the stemc.com home page or go to stemc.utilitynexus.com in your internet browser.
2. To make a one-time payment without registering your account, click MAKE A PAYMENT.
![1 1](https://stemc.com/wp-content/uploads/2023/12/1.png)
3. Enter your 12 digit account number
4. Click CONTINUE.
![2 2](https://stemc.com/wp-content/uploads/2023/12/2.png)
5. Enter all payment information
6. Click CONTINUE.
![3 3](https://stemc.com/wp-content/uploads/2023/12/3.png)
7. Review payment information. Click BOX to agree to Terms & Conditions.
8. Click SUBMIT.
![4 4](https://stemc.com/wp-content/uploads/2023/12/4.png)
9. Confirm information. Print Confirmation (optional)
10. Click FINISH. If you entered an email address you will receive an email confirmation.
![5 5](https://stemc.com/wp-content/uploads/2023/12/5.png)