APS vs Salt River Project — Electricity Rates Compared
Updated April 2026 · Independent rate comparison
Compare APS and Salt River Project electricity rates side by side. See per-kWh rates, bills, peak hours, and rate plans to find the cheaper option.
Rate Comparison
Metric
APS
Salt River Project
State
Arizona
Arizona
Standard Plan Rate
~14.1¢/kWh
~12.3¢/kWh
Plan Rate Range
3.5¢–34.4¢/kWh
3.9¢–40.2¢/kWh
Time-of-Use
12.3¢/kWh off-peak / 34.4¢/kWh peak
3.9¢/kWh off-peak / 40.2¢/kWh peak
Data Updated
February 2026
February 2026
Key Findings
Salt River Project has the lower median rate (12.00¢/kWh vs 13.50¢/kWh) — about 11.1% less expensive on the standard plan.
Both utilities serve Arizona, so customers in overlapping or neighboring service areas can use this comparison to validate their bill.
Time-of-use plans can save 15–30% if you can shift dishwasher, laundry, and EV charging to off-peak windows.
Use our free bill check to confirm whether your current plan is the cheapest option for your usage.
Frequently Asked Questions
Which has lower rates: APS or Salt River Project?
Based on median residential rates, Salt River Project has the lower per-kWh rate. The standard plans are ~14.1¢/kWh (APS) and ~12.3¢/kWh (Salt River Project).
Can I switch between APS and Salt River Project?
These two utilities operate in Arizona, but most customers don't get to choose between them — service territory is determined by your address. In deregulated states, you can change the supplier portion of your bill but not the utility itself.
How do I check if I'm overpaying on my APS or Salt River Project bill?
Upload your bill to Utility Check for an independent verification. We compare your rate plan against alternatives, identify billing errors, and provide a call script to dispute incorrect charges. The free sanity check takes under 60 seconds.
Are time-of-use plans worth it for APS or Salt River Project customers?
TOU plans typically save 15–30% for customers who can shift heavy usage (laundry, dishwasher, EV charging, pool pumps) to off-peak windows. APS offers Time-of-Use 4pm-7pm Weekdays (RTOUE47) at 12.3¢/kWh off-peak / 34.4¢/kWh peak. Salt River Project offers Conserve 6-9 p.m. and Save (E-28) at 3.9¢/kWh off-peak / 40.2¢/kWh peak.