Electricity rates in Mammoth, AZ
Mammoth (1,487 people, Pinal County) is served by 2 electric utilities. Homes on Arizona Public Service Co. pay about 17.08¢/kWh, 11% more than the Arizona average.
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Electric companies serving Mammoth
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Arizona Public Service Co. | Investor-owned utility | 17.08¢ | $165 | 1.29M | 73 |
| USBIA-San Carlos Project | Federal utility | 16.46¢ | $142 | 12K | — |
Power outages in Pinal County right now
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Outage history in Pinal County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 347 | 206 |
| Days with outages | 94 | 86 |
| Most customers out at once | 33,580 (36.5%) | 8,576 (9.3%) |
| Worst day | 2024-04-23 | 2025-08-26 |
Outage minutes by month, 2025
Less outage time than 2024 (347 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- San Manuel 17.1¢
- Oracle 17.1¢
- Saddlebrooke 14.9¢
- Catalina 14.9¢
- Kearny 17.1¢
- Oro Valley 14.9¢
- Tortolita 14.9¢
- Tanque Verde 14.9¢
- Catalina Foothills 14.9¢
- Casas Adobes 14.9¢
ZIP codes: 85618
Frequently asked questions
What is the electricity rate in Mammoth?
Most homes in Mammoth get power from Arizona Public Service Co., where residential customers pay an average of 17.08¢/kWh including all charges. The Arizona average is 15.40¢ and the U.S. average 17.99¢. Other utilities serving parts of Mammoth: USBIA-San Carlos Project (16.46¢).
What is the average electric bill in Mammoth?
About $165 a month, based on 966 kWh a month (the average for Arizona Public Service Co. customers) at 17.08¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Mammoth, AZ?
2 utilities serve Mammoth's ZIP codes: Arizona Public Service Co., USBIA-San Carlos Project. Which one serves you depends on your street address.
How often does the power go out in Mammoth?
In 2025, customers in Pinal County averaged 3 hr 26 min without power. Outages hit 86 days of the year, and the worst day was 2025-08-26, when 8,576 customers (9.3%) were out. Source: ORNL EAGLE-I.