United Power Online Bill Pay: Guest Pay & Supports

United Power is a member-owned electric cooperative serving more than 100,000 members in Adams, Weld, and parts of Boulder and Larimer counties in Colorado. Paying your United Power bill on time prevents late fees, service disconnection, reconnection charges, or negative credit impacts.

Official United Power Payment Resources

Bank account (ACH/eCheck) payments through SmartHub have the lowest or no additional fees. Credit/debit card payments may incur a small processing fee (disclosed at checkout). Cash payments at United Power kiosks have zero fees.

1. Pay Now (Guest / One-Time Payment – Fastest for Quick Payments)

United Power offers a convenient Pay Now option for one-time payments without creating a full SmartHub account.

How to pay as a guest:

  • Visit the official Pay Now page: https://unitedpower.smarthub.coop/PayNow.html.
  • Enter your account number or invoice number.
  • Select your payment amount and choose credit or debit card.
  • Review and submit for immediate confirmation.

Payments are processed securely and typically post the same or next business day. This method is ideal for urgent or one-time payments when you do not have (or want) a full online account.

2. Pay Online via SmartHub (Recommended for Full Management)

The official SmartHub portal provides complete account access and recurring payment options.

How to pay:

  • Go to https://unitedpower.smarthub.coop/ and log in or register (new users need account number and ZIP code).
  • Navigate to Make a Payment or Pay Bill.
  • Pay with bank account (ACH/eCheck) or credit/debit card.
  • View current balance, usage history, past bills, outage information, and payment records.

The portal also supports the free SmartHub mobile app for iOS and Android.

3. Set Up Auto Pay

Enroll in Auto Pay through SmartHub for automatic monthly deductions from your checking or savings account. This eliminates missed payments and late fees. Auto Pay can be modified or canceled anytime via the portal or by contacting Member Services.

4. Pay by Phone (24/7 Automated System)

Use the automated phone payment system for quick payments without internet access.

  • Call 866-999-4485 (available 24 hours a day, 7 days a week).
  • Follow the prompts to pay with credit/debit card or bank information.

For live assistance, call Member Services at 303-637-1300 during business hours.

5. Pay In Person or at Payment Kiosks

  • Payment Kiosks: Four self-service kiosks located at United Power offices and partner sites. Cash payments have zero fees. Credit/debit card and check payments are also accepted. Have your account number ready.
  • In-Person Payments: Visit the Brighton Headquarters office at 500 Cooperative Way, Brighton, CO 80603 during business hours. Check or credit card payments are accepted at the office.

6. Payment Assistance & Important 2026 Notes

If you are experiencing financial hardship, contact Member Services at 303-637-1300 immediately to discuss payment arrangements or assistance programs. United Power works with members on a case-by-case basis to avoid service interruptions.

Important 2026 Notes:

  • Always use official unitedpower.com domains and the verified phone numbers above.
  • United Power will never call or visit you in person to collect payment and will never demand prepaid debit cards.
  • Late payments may result in additional fees or service disconnection after proper notice.
  • For power outages or emergencies, call 303-637-1350.

Customer Service Contacts

  • Member Services: 303-637-1300
  • Automated Payments: 866-999-4485
  • Physical Address: 500 Cooperative Way, Brighton, CO 80603

Frequently Asked Questions (FAQs)

1. What is the official way to pay my United Power bill online? Use SmartHub at https://unitedpower.smarthub.coop/ or the Pay Now guest option at https://unitedpower.smarthub.coop/PayNow.html.

2. Is Pay Now (guest payment) available without registering? Yes — pay instantly with credit or debit card using only your account number via the dedicated Pay Now page.

3. Are there fees for online payments? Credit/debit card payments may incur a small processing fee (disclosed at checkout). Bank account (ACH) payments typically have the lowest or no additional fee. Cash at kiosks has zero fees.

4. What phone number is used for automated payments? Call 866-999-4485 for the 24/7 secure automated phone payment system.

5. How do I set up Auto Pay? Log into SmartHub and follow the prompts under Billing & Payments.

6. Where can I pay in person or use a kiosk? Cash payments with zero fees at four payment kiosks or in-person at the Brighton Headquarters office (500 Cooperative Way, Brighton, CO 80603).

7. What payment methods are accepted? Bank account (ACH), credit/debit cards, checks, and cash at kiosks or the office.

8. How quickly do online or phone payments post? Most electronic payments post within 1–2 business days.

9. Can I view my usage history and bills online? Yes — full access to billing history and usage data is available after logging into SmartHub.

10. What should I do if I cannot pay my full bill? Contact Member Services at 303-637-1300 immediately to discuss payment arrangements or assistance options.

11. Is there a mobile app for payments? Yes — download the free SmartHub app for iOS and Android to manage and pay your bill on the go.

12. Are third-party bill-pay services recommended? No. United Power only endorses its official SmartHub portal, Pay Now, phone system, kiosks, and office payments to avoid extra fees or delays.

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