Electricity rates in 86515 — Window Rock, AZ
Homes in ZIP 86515 pay about 18.1¢ per kWh (Navajo Tribal Utility Authority, Jan–Aug 2026). The Arizona average is 15.1¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 18.1¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 86515 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 86515
| Utility | Home price | Avg. bill | Customers in AZ |
|---|---|---|---|
| Navajo Tribal Utility Authority State | 18.1¢ Jan–Aug 2026 | $81 | 27,014 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for McKinley County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Arizona price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Mountain region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 86515
How much does electricity cost in 86515?
About 18.1¢ per kWh for homes (Navajo Tribal Utility Authority, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $163.
Who is the electric utility for 86515?
Navajo Tribal Utility Authority, with about 27,014 residential customers in Arizona.
Is electricity in AZ getting more expensive?
The Arizona residential average was 15.1¢ per kWh in August 2026, down 0.3% from a year earlier; the U.S. average was 18.2¢.