Electricity rates — Arizona

What a typical bill in Arizona costs

At 1,000 kWh a month the 28 generally available plans here run from $1,607.17 on E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - Standard Price Plan for Residential Time-of-Use Service to $2,255.29 on Time-of-Use 4pm-7pm Weekdays (R-TOU-E), with a median of $1,794.34.

Effective rates span 13.4¢ to 18.8¢ per kWh at that usage.

What households in Arizona pay, by EIA's count

Arizona's residential electricity averaged 15.4¢ per kWh over the 12 months to June 2026, the 22nd-lowest of the 50 states and DC and 14% below the US average of 17.9¢. It sits between New Mexico (15.3¢) and Florida (15.4¢).

EIA lists 19 utilities serving homes in Arizona. By homes served, the largest 5 are Arizona Public Service Co (1,256,120), Salt River Project (1,053,407), Tucson Electric Power Co (412,747), UNS Electric, Inc (95,191), and Trico Electric Cooperative Inc (52,450). Public power districts supply about 36% and member-owned cooperatives supply about 6% of its households.

Arizona homes used the most electricity in July and the least in November (2021–2025): a summer peak, 2.5 times the lightest month. July's bills were the highest, averaging $246; February's the lowest, $95. May was the dearest month per kWh, 9% above January.

The utilities with a ranked plan on this page serve about 90% of Arizona's households: Arizona Public Service Co (1,256,120), Salt River Project (1,053,407), Tucson Electric Power Co (412,747). Their median plan at 1,000 kWh a month works out to 15.0¢ per kWh, 3% below EIA's average, which is why this page compares that median with other states'.

Chart of this for reuse (PNG), free to republish under CC BY 4.0 with credit to WattClear. Suggested alt text: “Bar chart. Arizona's average home electricity price, July 2025 to June 2026, was 2.2% higher than the 12 months before, the 45th-largest rise of the 50 states. Washington, DC: +24.9%. United States average: +6.7%. Source: U.S. Energy Information Administration.”

In the guides: Summer and winter bills, state by state

How Arizona compares

At 1,000 kWh a month the median plan in Arizona costs $1,794.34 a year: the 6th-lowest of the 30 states whose indexed plans stand for them, and 22% less than their median of $2,303.60. It sits between Utah ($1,731.56) and Florida ($1,808.46).

Its cheapest open plan, E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - Standard Price Plan for Residential Time-of-Use Service from Salt River Project at $1,607.17, is the 8th-lowest of the 30 states' cheapest plans.

45 of its 67 priceable plans price by the hour, the 6th-largest share of any state here.

The largest fixed charge on any plan here is $40.00 a month, the 7th-largest such charge of the 30 states.

In the guides: What published electricity plans cost, state by state · What a plan charges by the hour, and what moving a kilowatt-hour is worth · What a bill costs before a single kilowatt-hour

What each provider in Arizona costs

3 utilities serve customers across Arizona in this data. At 1,000 kWh a month the cheapest of them is Salt River Project at $1,607.17 a year on E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - STANDARD PRICE PLAN FOR RESIDENTIAL TIME-OF-USE SERVICE; the dearest is Arizona Public Service Co at $2,255.29.

That is $648.12 a year between the best each provider offers.

Cheapest available plan by provider: Salt River Project $1,607.17; Tucson Electric Power Co $1,787.37; Arizona Public Service Co $2,255.29.

Which plan in Arizona is cheapest as use rises

E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - Standard Price Plan for Residential Time-of-Use Service is cheapest at every level tested — $923.60 a year at 500 kWh a month, $2,974.35 at 2,000 kWh.

The penalty for a poor choice grows with usage: $287.64 a year at 500 kWh against $1,369.04 at 2,000 kWh.

How Arizona's plans are structured

Of 67 priceable plans: 13 tiered, 45 time-of-use, 18 priced by season, 17 with demand charges, 4 flat-rate.

Fixed monthly charges run from $5.17 to $40.00.

Who provides Arizona's plans

These plans come from 3 utilities: Arizona Public Service Co, Salt River Project, Tucson Electric Power Co.

The largest saving among Arizona's plans

Moving from Time-of-Use 4pm-7pm Weekdays (R-TOU-E) to E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - Standard Price Plan for Residential Time-of-Use Service saves $648.12 a year at 1,000 kWh a month, with no change in consumption.

What the Arizona figures do not cover

45 of these plans price by the hour; their figures assume the typical hourly pattern of homes in Arizona, not this household's own hours.