Biller name
UniSource Energy Services
HQ: Tucson, Arizona
Legal name
UniSource Energy Services, Inc.
Website
Deferit is unaffiliated with UniSource Energy Services
Pay your UniSource Energy Services bill with Deferit
Earn 2% cashback on every bill you pay with Deferit.
Financing Option
Deferit can pay your bill now, then you pay it back later.
How to pay Payment methods Support FAQ Split into installments
UniSource Energy Services Account & Billing Support
| Department | Number / Channel |
|---|---|
| Customer Service Main | 877-837-4968 |
| Emergency / Outage | 877-837-4968 |
| TTY | 800-842-4681 |
Retrieved June 2026 · Source: uesaz.com/contact · current departmental phone numbers and hours of operation.
About UniSource Energy Services
UniSource Energy Services is an electric and natural gas utility company serving Arizona, operated as a subsidiary of Fortis Inc. The company supplies electricity to more than 107,000 customers in Mohave and Santa Cruz counties, and natural gas to approximately 171,000 customers, serving areas including Kingman, Lake Havasu City, and Nogales.
UniSource Energy Services bills commonly include electric service charges, natural gas service charges, usage fees based on consumption, and program-related fees for services like budget billing and auto pay options. Deferit is unaffiliated with UniSource Energy Services.
How to Pay Your UniSource Energy Services Bill
- Online: Pay for free through My Account portal at https://www.uesaz.com/ or download the mobile app for iOS/Android.
- Phone: Call 1-800-285-4960 for electric bills or 1-800-284-9730 for gas bills ($1.95 fee).
- Mail: Mail check or money order to P.O. Box 5212, Boone, IA 50950-0212 for electric bills (free, no fee).
- Auto-Pay: Set up automatic monthly deductions from your bank account through My Account at https://www.uesaz.com/.
- In-Person: Drop off check or money order at courtesy drop box locations throughout Northern Arizona service territory.
- With Deferit: pay now and split into 4 installments, once every two weeks. Learn more →
Payment Methods & Addresses
Retrieved June 2026 · Source: uesaz.com/pay ·uesaz.com/contact.
Need to split your UniSource Energy Services bill into installments?
Retrieved June 2026 · Source: uesaz.com.
| UniSource Energy Services payment arrangement |  Deferit | |
|---|---|---|
| How to access | Check UniSource Energy Services's online account, payment portal, or customer support team for available payment arrangement options. | Sign up, take a picture of your bill, and Deferit pays it on your behalf. Online or in app. |
| Maximum split | If UniSource Energy Services offers payment arrangements, limits are set by UniSource Energy Services based on your account status. We couldn't verify a published maximum split. | 4 installments, once every two weeks, up to your Deferit balance |
| Eligibility & approval | Decided by UniSource Energy Services at request time based on account status | Monthly Deferit membership, no lock-ins. Cancel anytime. |
| Fees & interest | Fees and interest were not published in the sources reviewed. Check UniSource Energy Services's payment portal or support team before setting up an arrangement. | Monthly Deferit membership plus a $0.99 processing fee per bill. No interest. No late fees on eligible Deferit memberships.* |
| If you miss a payment | Missed-payment consequences are set by UniSource Energy Services and may include late fees, service interruption, or collection activity depending on your account. | You can reschedule a repayment date in the app before it's due. Late fees may apply depending on your Deferit membership.* |
| Works for | UniSource Energy Services bills only | UniSource Energy Services and most other US household bills |
| Learn more → |
*No late fees feature included with Max and Ultra memberships. Installments on the Lite membership may incur late fees if overdue. See Membership terms for details.
Pay your UniSource Energy Services bill with Deferit
Earn 2% cashback on every bill, redeemed off your next payment. No subscription fee.
Common Questions About UniSource Energy Services
Can I use Deferit to pay my UniSource Energy Services bill? ›
Yes. Enter your UniSource Energy Services bill amount in Deferit and we pay UniSource Energy Services in full right away. You repay us in 4 bi-weekly installments.
What payment methods does UniSource Energy Services accept? ›
UniSource Energy Services typically accepts online payments via credit card, debit card, or bank transfer. Visit uesaz.com or contact their support team for the most up-to-date options.
Does UniSource Energy Services offer autopay? ›
Most billers offer automatic payment to help avoid late fees. Visit UniSource Energy Services's website or app to check whether autopay is available and how to enroll.
What do I do if I can't pay my UniSource Energy Services bill on time? ›
Contact UniSource Energy Services directly to ask about payment arrangements or hardship assistance programs. Deferit can also help — split your bill into 4 payments to ease the immediate financial pressure.
Updated: June 2026