Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error
In Arizona, UNS Electric, Inc bills 107,484 accounts, 88.6% residential, as an investor owned utility. Its home price moved +54.3% from 2015 to 2024, 31.4 points faster than Arizona.
At 924 kWh a month a UNS Electric, Inc home pays about $148 in energy: 16.02 ¢/kWh, 7.4% above the Arizona average of 14.91 ¢.
Its home price moved +54.3% from 2015 to 2024, 31.4 points faster than Arizona.
The record that sets UNS Electric, Inc apart is the path of its home price: 10.38 ¢ in 2015, 16.02 ¢ in 2024. That is +54.3%, while the Arizona average went +22.9%, so this utility climbed faster by 31.4 points.
Among Arizona utilities with 20,000+ homes it stood 1st cheapest of 10 in 2015 and is 8th of 10 in 2024, so it fell down the list.
| UNS Electric, Inc, 2024 | Home | Business | Bill | SAIDI |
|---|---|---|---|---|
| UNS Electric, Inc | 16.02 ¢/kWh | 15.23 ¢/kWh | $148at 924 kWh | 60 minSAIDI |
| Arizona average against this company, which is 8 of 10 on priceLowest in this table | -1.11 ¢/kWhcompany 7.4% above | -3.00 ¢/kWhcompany 24.5% above | -$10a month at 924 kWh | +21 mincompany 21 below |
| Tucson Electric Power Co | 15.63 ¢/kWhcompany 2.5% above | 15.58 ¢/kWhcompany 2.3% below | $1444 less than company | 68 mincompany 8 below |
UNS Electric, Inc: +6.1% on 2024 for homes, Arizona +2.7%.
UNS Electric, Inc: 16.99 ¢/kWh in the 2025 early release, +6.1% from 16.02 ¢; Arizona as a whole went +2.7%, so UNS Electric, Inc ran ahead of it by 3.3 points. Its SAIDI is 64 minutes against 60 in 2024.
UNS Electric, Inc serves 95,191 homes in Arizona. At 924 kWh a month that is about 288 kg of CO₂, or 3,453 kg a year, at the Arizona plant rate, state generation and not this utility: Arizona generation mix.
10.38 ¢ in 2015, 16.02 ¢ in 2024 (+54.3%); Arizona 12.13 to 14.91 ¢.
| Year | UNS Electric, Inc | Gap to Arizona residential | Gap to U.S. residential |
|---|---|---|---|
| 2015 | 10.38 | -1.75 | -2.27 |
| 2016 | 10.79 | -1.36 | -1.76 |
| 2017 | 9.89 | -2.55 | -3.00 |
| 2018 | 10.04 | -2.73 | -2.83 |
| 2019 | 9.30 | -3.13 | -3.71 |
| 2020 | 10.02 | -2.25 | -3.13 |
| 2021 | 10.53 | -2.01 | -3.13 |
| 2022 | 12.03 | -0.99 | -3.01 |
| 2023 | 13.64 | -0.38 | -2.36 |
| 2024 | 16.02 | +1.11 | -0.46 |
10 rows from EIA retail sales.
CSV72 min in 2015, 60 in 2024.
| Year | UNS Electric, Inc, no major events | UNS Electric, Inc, all events |
|---|---|---|
| 2015 | 72 | 72 |
| 2016 | 64 | 64 |
| 2017 | 93 | 196 |
| 2018 | 48 | 48 |
| 2019 | 7 | 65 |
| 2020 | No data | 43 |
| 2021 | 48 | 183 |
| 2022 | 77 | 157 |
| 2023 | 44 | 165 |
| 2024 | 60 | 72 |
10 rows from EIA-861 survey.
CSV60.1 min, 0.60x the median reporter, rank 197 of 673.
UNS Electric, Inc, Reliability: EIA-861 survey.
CSVUNS Electric, Inc billed homes 10.38 ¢/kWh in 2015 and 16.02 ¢ in 2024, +54.3% in all, and outpaced the Arizona average (+22.9%) by 31.4 points. UNS Electric, Inc's sharpest move came in 2024, +17.4%. The latest year is the high at 16.02 ¢; the low was 9.30 ¢ (2019). 2024: +17.4% here, +6.3% for the Arizona average. SAIDI at UNS Electric, Inc (major events excluded) fell from 72 minutes in 2015 to 60 in 2024, -17%; best year 2019 at 7. At 60 minutes in 2024, UNS Electric, Inc sat -39 from the national SAIDI median, with 9 of 9 years below it. 2017: 196 minutes with major events, 93 without, the widest gap of any year. UNS Electric, Inc has 7 cheaper and 2 higher-priced Arizona peers among 10 with 20,000+ homes. Next cheaper, Tucson Electric Power Co, bills 15.63 ¢ (-0.39). Next higher-priced, Arizona Public Service Co, bills 16.45 ¢ (+0.43).
Customers pay 7.4% over the Arizona average and get some return: 60 outage minutes, 40% under the national median.
Home accounts at UNS Electric, Inc went from 82,823 in 2015 to 95,191 in 2024, +14.9%. Business customers paid 0.95 times the home price in 2024 (15.23 against 16.02 ¢); the ratio was 1.02 in 2015. SAIFI went from 0.97 in 2015 to 0.69 in 2024, between 0.02 and 1.24.
UNS Electric, Inc customers lost power for 60 minutes in 2024, down from 109 in 2013 (−45%). Its best year was 2020 (0 min), its worst 2013 (109 min), across 12 filed years. Against a Arizona median of 68 minutes in 2024, UNS Electric, Inc was below the middle.
Corrected for inflation, a UNS Electric, Inc home paid 16.44 ¢/kWh in 2024 against 13.29 ¢ in 2013, +23.6%; the bill itself went 9.62 ¢ to 16.02 ¢ (+66.5%). A home using 1,000 kWh a month paid $1,595 for the year at the 2013 real price and $1,973 at the 2024 price. Place on home price: 4th cheapest of 21 in 2013, 17th of 22 in 2024 among Arizona utilities with 1,000+ homes.
UNS Electric, Inc at 60 min in 2024 and the Arizona median at 68.
UNS Electric, Inc: 16.44 ¢ in 2025 dollars (solid) and 16.02 ¢ as billed (dashed) in 2024.
| Year, UNS Electric, Inc | ¢ billed | ¢ in 2025 $ | Price place, UNS Electric, | SAIDI min | SAIFI | SAIDI place, UNS Electric, | Arizona median SAIDI |
|---|---|---|---|---|---|---|---|
| 2013 | 9.62 | 13.29 | 4 of 21 | 109 | 1.78 | 5 of 5 | 64 |
| 2014 | 10.29 | 14.00 | 6 of 22 | 58 | 0.88 | 3 of 5 | 58 |
| 2015 | 10.38 | 14.10 | 7 of 24 | 72 | 0.97 | 4 of 6 | 68 |
| 2016 | 10.79 | 14.48 | 9 of 26 | 64 | 0.85 | 3 of 7 | 65 |
| 2017 | 9.89 | 12.99 | 7 of 26 | 93 | 0.48 | 7 of 7 | 65 |
| 2018 | 10.04 | 12.87 | 6 of 27 | 48 | 0.62 | 7 of 10 | 44 |
| 2019 | 9.30 | 11.72 | 5 of 34 | 7 | 0.02 | 1 of 8 | 52 |
| 2020 | 10.02 | 12.46 | 5 of 22 | 0 | 0.00 | 1 of 8 | 45 |
| 2021 | 10.53 | 12.51 | 6 of 21 | 48 | 0.56 | 5 of 8 | 48 |
| 2022 | 12.03 | 13.23 | 8 of 22 | 77 | 1.24 | 7 of 9 | 55 |
| 2023 | 13.64 | 14.41 | 11 of 22 | 44 | 0.58 | 2 of 10 | 67 |
| 2024 | 16.02 | 16.44 | 17 of 22 | 60 | 0.69 | 5 of 11 | 68 |
UNS Electric, Inc, EIA utility 19728: EIA-861, CPI-U.
CSV| UNS Electric, Inc sector | Accounts | Rate ¢/kWh | Gap to Arizona ¢/kWh |
|---|---|---|---|
| Residential | 95,191 | 16.02 | +1.11 |
| Commercial | 12,287 | 15.23 | +3.00 |
| Year | Home accounts, UNS Electric, Inc | Home ¢ | Business ¢ | Ratio | SAIDI | SAIFI |
|---|---|---|---|---|---|---|
| 2015 | 82,823 | 10.38 | 10.54 | 1.02 | 72 | 0.97 |
| 2016 | 83,620 | 10.79 | 10.82 | 1.00 | 64 | 0.85 |
| 2017 | 84,590 | 9.89 | 9.85 | 1.00 | 93 | 0.48 |
| 2018 | 86,232 | 10.04 | 9.97 | 0.99 | 48 | 0.62 |
| 2019 | 86,869 | 9.30 | 9.19 | 0.99 | 7 | 0.02 |
| 2020 | 89,139 | 10.02 | 10.04 | 1.00 | No data | No data |
| 2021 | 90,640 | 10.53 | 10.57 | 1.00 | 48 | 0.56 |
| 2022 | 92,408 | 12.03 | 12.23 | 1.02 | 77 | 1.24 |
| 2023 | 93,838 | 13.64 | 13.92 | 1.02 | 44 | 0.58 |
| 2024 | 95,191 | 16.02 | 15.23 | 0.95 | 60 | 0.69 |
| Utility near UNS Electric, Inc on price | SAIDI min, gap to UNS Electric, Inc | Home ¢, gap to UNS Electric, Inc | Gap % to UNS Electric, Inc | Accounts, UNS Electric, Inc = 1 |
|---|---|---|---|---|
| 5. Electrical Dist No3 Pinal County | +26 | -2.09 | -13.0% | 0.32 |
| 6. Trico Electric Cooperative Inc | +23 | -1.85 | -11.5% | 0.51 |
| 7. Tucson Electric Power Co | +8 | -0.39 | -2.4% | 4.24 |
| 8. UNS Electric, Inc (this utility) | 60 | 16.02 | - | 1.00 |
| 9. Arizona Public Service Co | +21 | +0.43 | +2.7% | 13.03 |
| 10. Navajo Tribal Utility Authority | No data | +0.61 | +3.8% | 0.28 |
| Class at UNS Electric, Inc | Accounts | Of UNS Electric, Inc accounts | Of UNS Electric, Inc MWh sold | kWh a year per UNS Electric, Inc account |
|---|---|---|---|---|
| Residential | 95,191 | 88.6% | 55.4% | 11,085 |
| Commercial | 12,287 | 11.4% | 38.6% | 59,921 |
| Industrial and other | 6 | 0.01% | 6.0% | 19,048,333 |
| UNS Electric, Inc and its neighbours on price | SAIDI min, gap to UNS Electric, Inc | Home ¢, gap to UNS Electric, Inc | Accounts, UNS Electric, Inc = 1 |
|---|---|---|---|
| 1. Tucson Electric Power Co (AZ) | +8 | -0.39 | 4.24 |
| 2. UNS Electric, Inc (AZ, this utility) | 60 | 16.02 | 1.00 |
| 3. Central Hudson Gas & Elec Corp (NY) | +107 | +7.83 | 2.99 |
| Measure | UNS Electric, Inc | Arizona context | UNS Electric, Inc detail |
|---|---|---|---|
| UNS Electric, Inc home meters on AMI | 82.7% | Arizona 93.4% | 85,250 of 103,122 meters |
| Home meters, AMR (drive-by read) | 17,838 | Arizona figure not published | 17.3% of meters |
| Time-of-use rate for UNS Electric, Inc homes | Offered | 10 of 11 Arizona utilities offer one | 20,956 homes on dynamic pricing, 22.01% of 95,191 |
| Net-metered installations | 10,601 | 98% residential | 108.7 homes per 1,000 accounts, 9.4 kW average |
| kWh | Share of a 924 kWh month | Cost a month at 16.02 ¢ | vs U.S. | Cost a year |
|---|---|---|---|---|
| 250 | 27% | $40.04 | -$1.16 | $481 |
| 500 | 54% | $80.09 | -$2.31 | $961 |
| 750 | 81% | $120.13 | -$3.47 | $1,442 |
| 1,000 | 108% | $160.18 | -$4.62 | $1,922 |
| 1,500 | 162% | $240.27 | -$6.93 | $2,883 |
| 2,000 | 217% | $320.36 | -$9.24 | $3,844 |
| Measure, UNS Electric, Inc | No events | All events | Converted |
|---|---|---|---|
| SAIDI minutes | 60.1 | 72.4 | 1.00 h |
| SAIFI interruptions | 0.695 | 0.792 | 1.44 yr apart |
| CAIDI minutes | 86.5 | 91.5 | 1.44 h |
2 Arizona counties, region WECC:
Arizona other states: 2 of 2 counties of UNS Electric, Inc drawn
UNS Electric, Inc: 2 counties listed by EIA-861, Census 2023 outlines.
CSV107,484 accounts in 2024: residential 95,191, commercial 12,287, industrial 6.
In 2024 homes paid 16.02 cents; against the Arizona average that is +7.4%.
SAIDI 60.1 min and SAIFI 0.69 a year, major events excluded; ratio to the national median 0.60, CAIDI 87 min.
10,601 installations with 100.0 MW, of which residential installations number 10,345.
924 kWh at 16.02 cents comes to about $148, energy only.
Rank 8 of 10 in Arizona on price, +7.4% against the state average; 7 charge less than 16.02 ¢.
Homes take 55.4% of 1,905,700 MWh, commercial accounts 38.6%, industrial and other 6.0%; the 12,287 commercial accounts use 59,921 kWh each, 5.4 times a home.
85,250 of 103,122 home meters are AMI, 82.7%. UNS Electric, Inc offers a home time-of-use rate; 20,956 customers use dynamic pricing, 22.01% of its homes.
1st cheapest of 10 in 2015, 8th of 10 in 2024; its price rose 54.3% while Arizona rose 22.9%.
Place 2 of 3 on home price at 16.02 ¢ (Fortis group); median 16.02 ¢, cheapest member 15.63 ¢.
16.99 cents per kWh, +6.1% on the 16.02 of 2024 (EIA early release for 2025).
Home prices nearest to UNS Electric, Inc at 16.02 ¢/kWh in 2024, among companies with a page here, any state.
3 home plan records, energy charges: 8.1 to 15.8 ¢/kWh.
Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).