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Electricity rates — Arizona Public Service Co

Arizona Public Service Co's customers paid 16.5¢ per kWh in 2024, riders included (EIA-861): about $170 a month for 1,034 kWh. Time-of-Use 4pm-7pm Weekdays (R-TOU-E), the lowest of 1 open plan at 1,000 kWh a month, comes to $2,255 a year, at the typical hour-by-hour use of homes in Arizona. Schedule retrieved October 8, 2026.

Every priced Arizona Public Service Co plan, 1,000 kWh/mo

Annual cost of each published plan, 1,000 kWh/mo: plans open to any household first, then plans priced but not ranked, each group cheapest first
PlanPer yearvs cheapestEffective
Time-of-Use 4pm-7pm Weekdays (R-TOU-E)✓ cheapesttime-of-use · in effect since February 2026$2,255.29—18.8¢
Priced but not ranked — restricted, older, or not verifiable as a bill
Residential Service Standard (E-12) Low Incomepriced by season · tiered · in effect since May 2016 · low-income rate$1,200.42−$1,054.8710.0¢
Time Advantage 7pm to noontime-of-use · no start date · older schedule, not ranked$1,339.21−$916.0811.2¢
Residential Service TOU Combined Advantage 7PM-Noon (ECT-2) [Frozen]time-of-use · demand charge · in effect since August 2017 · frozen$1,371.94−$883.3511.4¢
Residential Service (Pilot Technology Rate) R-Techtime-of-use · demand charge · in effect since June 2023 · pilot programme$1,382.07−$873.2211.5¢
Residential Service (Saver Choice Plus)time-of-use · demand charge · no start date · older schedule, not ranked$1,561.76−$693.5313.0¢
Time-of-Use 4pm-7pm Weekdays with Demand Charge (R-3)time-of-use · demand charge · in effect since February 2026 · billed on peak kW, which monthly use cannot price; not ranked$1,603.81−$651.4813.4¢
Residential Service Standard (E-12) [Frozen]priced by season · tiered · in effect since August 2017 · frozen$1,866.60−$388.6915.6¢
Large Residential Service (Premier Choice Large) R-Basic L [Frozen]flat rate · in effect since September 2018 · frozen$2,071.56−$183.7317.3¢
Fixed Energy Charge Plan (R-1) Medium Tier 2flat rate · in effect since February 2026 · needs a household in that usage band$2,211.38−$43.9118.4¢
Residential Electric Vehicle Time-of-Use (R-EV)time-of-use · in effect since February 2026 · needs an electric vehicle$2,240.66−$14.6318.7¢
Residential Service TOU Time Advantage 7PM-Noon (ET-2) [Frozen]time-of-use · in effect since March 2025 · frozen$2,253.54−$1.7518.8¢
Fixed Energy Charge Plan (R-1) Large Tier 3flat rate · in effect since February 2026 · needs a household in that usage band$2,375.30+$120.0119.8¢
Fixed Energy Charge Plan (R-1) Small Tier 1flat rate · in effect since February 2026 · needs a household in that usage band$5,262.84+$3,007.5543.9¢

Price Arizona Public Service Co’s plans at your own usage — and see what moving from your current plan would save.

What the one Arizona Public Service Co plan ranked here costs at each level of use

  • 500 kWh/mo — $1,211.24 (Time-of-Use 4pm-7pm Weekdays (R-TOU-E)), the one plan ranked here
  • 1,000 kWh/mo — $2,255.29 (Time-of-Use 4pm-7pm Weekdays (R-TOU-E)), the one plan ranked here
  • 2,000 kWh/mo — $4,343.39 (Time-of-Use 4pm-7pm Weekdays (R-TOU-E)), the one plan ranked here

What a typical Arizona Public Service Co bill costs

At 1,000 kWh a month one plan here is open to any household — Time-of-Use 4pm-7pm Weekdays (R-TOU-E), at $2,255.29 a year. There is no cheaper option to move to, only the restricted schedules priced below.

Effective rates come to 18.8¢ per kWh at that usage.

What Arizona Public Service Co's customers were billed in 2024

At 1,034 kWh a month, Arizona Public Service Co's median open plan comes to 18.7¢ per kWh, 14% above the 16.5¢ its customers were billed in 2024, riders included. Rates set since 2024 may account for some of that.

EIA-861 figures for Arizona Public Service Co, 2024, and this page’s plans at the same use
Ownership, as EIA classes itInvestor-owned
Full-service homes in Arizona1,256,120
Share of Arizona's households41%
Average use per home1,034 kWh a month
Average bill per home$170.02 a month
Billed per kWh, riders included16.5¢
Median open plan here, at that use18.7¢

Arizona Public Service Co in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.

How the Time-of-Use 4pm-7pm Weekdays (R-TOU-E) bill at 1,000 kWh has moved since 2017

Arizona Public Service Co's Time-of-Use 4pm-7pm Weekdays (R-TOU-E) cost $161.46 a month under its August 2017 version, filed then as Residential Time of Use (Saver Choice), and costs $187.94 under its February 2026 one, 16% more. Its biggest single step, in March 2025, added $17.30 (10%). In Arizona, EIA's average price rose 23% between 2017 and 2025.

Time-of-Use 4pm-7pm Weekdays (R-TOU-E) at 1,000 kWh a month, 2017–2026
2017 $161.46 to $187.94 a month2026
Every version of Time-of-Use 4pm-7pm Weekdays (R-TOU-E)
Each version of Time-of-Use 4pm-7pm Weekdays (R-TOU-E) priced at 1,000 kWh a month, fixed charges included, from the URDB record linked in its row.
Took effectAt 1,000 kWhChangeRecord
February 2026$187.94+$1.71 (+0.9%)URDB
March 2025$186.23+$17.30 (+10.2%)URDB
June 2023$168.93+$7.05 (+4.4%)URDB
May 2022$161.88+$10.31 (+6.8%)URDB
April 2019as Residential Time of Use (Saver Choice) TOU-E$151.57−$9.89 (−6.1%)URDB
August 2017as Residential Time of Use (Saver Choice)$161.46First on recordURDB

In the guides: Why electricity rates change

How it compares

Among the 100 utilities indexed, Arizona Public Service Co's cheapest open plan is the 29th-highest, 22% more than their median of $1,849.47. It sits between Niagara Mohawk Power Corp. ($2,254.56) and New York State Elec & Gas Corp ($2,324.40).

In Arizona it is the dearest of the 3 utilities indexed; Salt River Project starts lowest, at $1,607.17.

None of Arizona Public Service Co's plans open to any household has a tiered step or a seasonal price in this data: a kWh costs the same however much is used and whatever the month.

Which plan from Arizona Public Service Co is cheapest as use rises

Time-of-Use 4pm-7pm Weekdays (R-TOU-E) is cheapest at every level tested — $1,211.24 a year at 500 kWh a month, $4,343.39 at 2,000 kWh.

Cheapest 6 plans at 1,000 kWh a month

Time-of-Use 4pm-7pm Weekdays (R-TOU-E) — $2,255.29 a year, 18.8¢ per kWh effective, time-of-use. It carries a $0.46 daily standing charge. In effect since February 2026.

Residential Service Standard (E-12) Low Income — $1,200.42 a year, 10.0¢ per kWh effective, tiered and priced by season. It carries a $6.50 monthly standing charge. In effect since May 2016. Too old to quote as a current price.

Time Advantage 7pm to noon — $1,339.21 a year, 11.2¢ per kWh effective, time-of-use. It carries no standing charge. It states no start date. Too old to quote as a current price.

Residential Service TOU Combined Advantage 7PM-Noon (ECT-2) [Frozen] — $1,371.94 a year, 11.4¢ per kWh effective, time-of-use and demand-charged. It carries a $19.56 monthly standing charge. In effect since August 2017. Too old to quote as a current price.

Residential Service (Pilot Technology Rate) R-Tech — $1,382.07 a year, 11.5¢ per kWh effective, time-of-use and demand-charged. It carries a $0.47 daily standing charge. In effect since June 2023. Too old to quote as a current price.

Residential Service (Saver Choice Plus) — $1,561.76 a year, 13.0¢ per kWh effective, time-of-use and demand-charged. It carries a $13.00 monthly standing charge. It states no start date. Too old to quote as a current price.

How Arizona Public Service Co's plans are structured

Of 14 priceable plans: 2 tiered, 8 time-of-use, 2 priced by season, 4 with demand charges, 4 flat-rate.

Fixed monthly charges run from $6.50 to $21.36.

Arizona Public Service Co's published schedules

Arizona Public Service Co was found serving Phoenix, Arizona. 14 of its 14 published residential schedules can be priced.

When Arizona Public Service Co's time-of-use plans charge most

Time-of-Use 4pm-7pm Weekdays (R-TOU-E) charges 37.4¢ a kWh weekdays 4 pm to 7 pm, May to October, against 6.5¢ in its cheapest hours; those dearest hours are 4% of the year. Homes in Arizona typically put 7% of their electricity in them (NREL ResStock), which is what its price above assumes: moving use out of them lowers the bill, adding to them raises it.

In the guides: Time-of-use plans, hour by hour

What the Arizona Public Service Co figures do not cover

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

The methodology page explains tiered bands, time-of-use periods and fixed charges, and sets out exactly what the rate engine assumes.

Estimate — your actual bill may differ.

Tariff structures from NREL/OpenEI Utility Rate Database (CC0 1.0), retrieved October 8, 2026.

Time-of-use plans priced on the typical hourly pattern of a state’s homes from NREL/NLR ResStock 2025 Release 1 (AMY2018), timeseries aggregates by state, baseline (CC BY 4.0), retrieved October 1, 2026. Data includes information from the ResStock™ dataset developed by the National Laboratory of the Rockies (NLR) with funding from the U.S. Department of Energy (DOE).

Location resolved through the US Census Bureau Geocoder (Public domain) at 33.4484, -112.0740.