Arizona electric rates compared: APS vs SRP
APS and SRP price power differently, answer to different authorities, and are moving in opposite directions in 2026. Here are the published rates side by side, with the July arithmetic.
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SRP
Salt River Project (SRP) serves much of the East Valley and prices power differently than APS, including its own board and rate-setting process. This category covers SRP's residential rate structure, starting with the E-27 plan and its combination of low per-kWh pricing and a summer demand charge, plus a side-by-side comparison of SRP and APS rates. It is written for SRP customers trying to understand a demand charge or deciding between plans.
2 articles in this category
SRP's E-27 rate plan explained (and why customers call it a trap)
E-27 has the lowest energy prices SRP sells, 6.13 to 8.23 cents a kWh in summer. It also charges up to $36.05 per kW of on-peak demand in July and August, and it disappears in November 2029. Here is the full arithmetic.
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