Arizona Public Service Co. electricity rates
Investor-owned utility · Arizona · WECC region
Arizona Public Service Co. is a for-profit, investor-owned utility regulated by the state utility commission, serving 1,287,097 homes in Arizona. Its residential customers pay an average of 17.08¢/kWh including fixed and delivery charges, 5% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Arizona Public Service Co. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $85.40 | $105.95 |
| 1,000 kWh | $170.80 | $197.95 |
| 1,500 kWh | $256.20 | $289.96 |
| 2,000 kWh | $341.60 | $381.96 |
*Fixed Energy Charge Plan (R-1) Large Tier 3 (effective 2026-02-01, $13.94/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Arizona Public Service Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Fixed Energy Charge Plan (R-1) Large Tier 3 | 2026-02-01 | $13.94 | 18.40¢ |
| Time-of-Use 4pm-7pm Weekdays with Demand Charge (R-3)time-of-use | 2026-02-01 | $13.94 | 8.9¢ (12am–4pm, 7pm–12am) · 17.2¢ (4pm–7pm) — summer weekdays |
| Residential Electric Vehicle Time-of-Use (R-EV)time-of-use | 2026-02-01 | $13.94 | 15.3¢ (5am–4pm, 7pm–11pm) · 11.5¢ (12am–5am, 11pm–12am) · 39.8¢ (4pm–7pm) — summer weekdays |
| Time-of-Use 4pm-7pm Weekdays (R-TOU-E)time-of-use | 2026-02-01 | $13.94 | 15.3¢ (12am–4pm, 7pm–12am) · 37.4¢ (4pm–7pm) — summer weekdays |
| Residential Service TOU Time Advantage 7PM-Noon (ET-2) [Frozen]time-of-use | 2025-03-01 | $21.67 | 35.1¢ (12pm–7pm) · 10.9¢ (12am–12pm, 7pm–12am) — summer weekdays |
| Residential Service (Pilot Technology Rate) R-Techtime-of-use | 2023-05-31 | $14.40 | 7.5¢ (12am–3pm, 8pm–12am) · 8.5¢ (3pm–8pm) — summer weekdays |
| Residential Service Standard (E-12) [Frozen]time-of-use | 2017-08-18 | $10.00 | 13.0¢ (12am–12am) — summer weekdays |
| Residential Service TOU Combined Advantage 7PM-Noon (ECT-2) [Frozen]time-of-use | 2017-08-18 | $19.56 | 11.7¢ (12pm–7pm) · 6.6¢ (12am–12pm, 7pm–12am) — summer weekdays |
| Residential Service Standard (E-12) Low Incometime-of-use | 2016-05-30 | $6.50 | 8.3¢ (12am–12am) — summer weekdays |
| Fixed Energy Charge Plan (R-1) Small Tier 1 | 2026-02-01 | $11.02 | 42.76¢ |
| Fixed Energy Charge Plan (R-1) Medium Tier 2 | 2026-02-01 | $13.94 | 17.04¢ |
| Large Residential Service (Premier Choice Large) R-Basic L [Frozen] | 2018-09-01 | $20.00 | 15.26¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Arizona Public Service Co. rate history
2015–2025: +32% change in the average residential rate (12.93¢ → 17.03¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Arizona Public Service Co. | Arizona avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 73 | 70 | 266 |
| Outages per customer (SAIFI) | 0.84 | 0.89 | 1.34 |
| Average restoration time (CAIDI) | 87 min | — | — |
| Outage minutes excluding major storms | 73 | 63 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Arizona Public Service Co.'s counties, customers averaged 95 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Santa Cruz | 1,686 | 43 | 2,487 | 2025-06-02 |
| Greenlee | 651 | 15 | 802 | 2025-04-01 |
| Apache | 514 | 30 | 5,562 | 2025-04-01 |
| Gila | 207 | 61 | 5,849 | 2025-09-14 |
| Pinal | 206 | 86 | 8,576 | 2025-08-26 |
| Navajo | 139 | 29 | 13,067 | 2025-04-19 |
| Maricopa | 98 | 13 | 62,447 | 2025-08-26 |
| Yuma | 93 | 28 | 19,028 | 2025-09-05 |
| Coconino | 91 | 41 | 4,904 | 2025-06-10 |
| Yavapai | 71 | 38 | 5,427 | 2025-05-27 |
| Pima | 57 | 34 | 18,508 | 2025-11-12 |
| Mohave | 45 | 19 | 9,999 | 2025-03-14 |
| Cochise | 36 | 28 | 8,138 | 2025-07-23 |
| Graham | 0 | 0 | 6 | 2025-04-25 |
Arizona Public Service Co. service area
Arizona Public Service Co. serves 14 counties in Arizona and 294 ZIP codes.
Apache, Cochise, Coconino, Gila, Graham, Greenlee, Maricopa, Mohave, Navajo, Pima, Pinal, Santa Cruz, Yavapai, Yuma
Cities: Phoenix, Tucson, Mesa, Chandler, Glendale, Scottsdale, Peoria, Tempe, Tempe Junction, Surprise, Yuma, San Tan Valley, Avondale, Goodyear, Flagstaff, Lake Havasu City, Casa Grande, Buckeye, Maricopa, Sierra Vista, Prescott Valley, Prescott, Marana, Apache Junction, Sun City, El Mirage, San Luis, Florence, Kingman, Fortuna Foothills, Sun City West, Eloy, Tanque Verde, Douglas, Payson, Somerton, New River, Sierra Vista Southeast, Sun Lakes, Paradise Valley
Programs, smart meters & solar
| Smart meters (AMI) for homes | 88% |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 746,931 |
| Net-metered solar homes | 190,481 |
| Home batteries paired with solar | 8,770 |
| Homes in demand response (e.g. thermostat rebates) | 101,367 |
| Residential efficiency incentives paid (2025) | $14,274,187 |
| Residential energy saved by programs | 67,479 MWh |
Arizona Public Service Co. at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing |
| Commercial rate | 13.52¢/kWh |
| Industrial rate | 10.98¢/kWh |
| Retail revenue (2025) | $5,084,255,600 |
| Electricity sold (2025) | 34,197,800 MWh |
| Peak demand | 8,648 MW summer · 4,958 MW winter |
| Power from own generation | 64% (rest purchased) |
| Line losses | 7.2% |
| Balancing authority | AZPS |
| EIA utility ID | 803 |
Other utilities in Arizona
Frequently asked questions
What is Arizona Public Service Co.'s electricity rate?
Arizona Public Service Co. residential customers pay an average of 17.08¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 11% above the Arizona average of 15.40¢ and 5% below the U.S. average.
What is the average Arizona Public Service Co. electric bill?
About $165 a month. The average Arizona Public Service Co. home uses 966 kWh a month. At 1,000 kWh the bill would be about $171.
How many customers does Arizona Public Service Co. have?
Arizona Public Service Co. serves 1,287,097 residential customers and 1,433,294 customers in total in Arizona, across 14 counties.
How reliable is Arizona Public Service Co.?
In 2025, the average Arizona Public Service Co. customer was without power for 73 min (SAIDI) over 0.84 interruptions (SAIFI), including major storms. Excluding major event days it was 73 min. The Arizona average was 70 min and the U.S. average 4 hr 26 min.
Does Arizona Public Service Co. offer time-of-use rates?
Yes. The OpenEI rate database lists 8 time-of-use residential plans, including Time-of-Use 4pm-7pm Weekdays with Demand Charge (R-3). Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Arizona Public Service Co. offer net metering for solar?
Arizona Public Service Co. had 190,481 residential net-metered customers in 2025 with 1,726.2 MW of capacity and 8,770 solar-paired batteries. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Arizona Public Service Co. before making decisions.