Tohono O'Odham Utility Authority electricity rates
Public power district · Arizona
Tohono O'Odham Utility Authority is a public power district or authority run by an elected or appointed board, serving 4,047 homes in Arizona. Its residential customers pay an average of 13.51¢/kWh including fixed and delivery charges, 25% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Tohono O'Odham Utility Authority bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $67.55 | $53.03 |
| 1,000 kWh | $135.10 | $100.46 |
| 1,500 kWh | $202.65 | $154.70 |
| 2,000 kWh | $270.20 | $208.95 |
*Mission View Low Income Discount Rate (effective nan), 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.
Tohono O'Odham Utility Authority residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Mission View Low Income Discount Rate | nan | — | 18.33¢ first 50 kWh, 11.02¢ first 200 kWh, 8.90¢ first 300 kWh, 9.22¢ first 600 kWh, 9.55¢ first 1,000 kWh, 10.85¢ after |
| Farm and Residential Service | nan | — | 23.50¢ first 50 kWh, 14.50¢ first 200 kWh, 10.85¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Tohono O'Odham Utility Authority rate history
2015–2025: -3% change in the average residential rate (13.86¢ → 13.44¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Tohono O'Odham Utility Authority doesn't report reliability metrics to EIA (common for small utilities).
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 Tohono O'Odham Utility Authority's counties, customers averaged 94 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Pinal | 206 | 86 | 8,576 | 2025-08-26 |
| Maricopa | 98 | 13 | 62,447 | 2025-08-26 |
| Pima | 57 | 34 | 18,508 | 2025-11-12 |
Tohono O'Odham Utility Authority service area
Tohono O'Odham Utility Authority serves 3 counties in Arizona and 10 ZIP codes.
Maricopa, Pima, Pinal
Cities: Tempe, San Tan Valley, Apache Junction, Gold Camp, Sells
Programs, smart meters & solar
| Smart meters (AMI) for homes | 76% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Tohono O'Odham Utility Authority at a glance
| Ownership | Public power district |
| Services | — |
| Retail revenue (2025) | $12,121,000 |
| Electricity sold (2025) | 90,170 MWh |
| Balancing authority | AZPS |
| EIA utility ID | 14543 |
Other utilities in Arizona
Frequently asked questions
What is Tohono O'Odham Utility Authority's electricity rate?
Tohono O'Odham Utility Authority residential customers pay an average of 13.51¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 12% below the Arizona average of 15.40¢ and 25% below the U.S. average.
What is the average Tohono O'Odham Utility Authority electric bill?
About $251 a month. The average Tohono O'Odham Utility Authority home uses 1,857 kWh a month. At 1,000 kWh the bill would be about $135.
How many customers does Tohono O'Odham Utility Authority have?
Tohono O'Odham Utility Authority serves 4,047 residential customers in Arizona, across 3 counties.
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 Tohono O'Odham Utility Authority before making decisions.