Will My Bill Go Up

Arizona Public Service, Arizona

2025 general rate case

Pending Base rate case, docket E-01345A-25-0105 before the Arizona Corporation Commission.

+$26a month, estimate
on a typical bill, if approved as asked

16.4% of the average Arizona bill of $160 (EIA, 2024); your own bill scales with your usage. Our arithmetic, not the utility's figure; the methodology page shows how.

What happens next

Next comes a hearing, then a decision from the Arizona Corporation Commission. Many states give the commission a deadline of roughly seven to eleven months from filing. How rate cases work.

What it means for your bill

$

FiledJun 13, 2025
Hearingnot scheduled yet
Decisionpending
On billsafter the decision

APS is asking for a 16.44 percent residential increase, widely reported as about 20 dollars a month for a typical household. The same filing proposes a new extra high load factor class for data centers with a 47 percent class increase, meant to stop residential customers from subsidizing data center growth. Evidentiary hearings concluded in July 2026; the Administrative Law Judge is expected to issue a recommendation by late November 2026, and the Arizona Corporation Commission must vote by December 31, 2026, with new rates possible in early 2027 if approved.

Status
Pending
Utility
Arizona Public Service
Commission
Arizona Corporation Commission
Docket
E-01345A-25-0105
Filed
June 13, 2025
Requested
16.4% residential
Data center linked
Yes. The filing ties part of the cost or the tariff design to data center load. The projects themselves: isadatacentercoming.com.
Last checked
September 22, 2026

Common questions

How much will my Arizona Public Service bill go up?

Would add about $26 a month on a typical bill. 16.4% of the average Arizona bill of $160 (EIA, 2024); your own bill scales with your usage.

When would the new rates start?

Not yet set. That is decided along with the case, usually as part of the commission's final order.

When is the hearing?

Not scheduled yet. Check back, or ask for an email alert below.

How do I comment?

Submit a public comment on Docket E-01345A-25-0105 through the Arizona Corporation Commission's online eFiling comment portal. Comment page.

How to comment

Submit a public comment on Docket E-01345A-25-0105 through the Arizona Corporation Commission's online eFiling comment portal. Comment page. Residential Utility Consumer Office represents households in this case.

Sources

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Other pending cases in Arizona

2
First annual rate adjustment mechanism filing UNS Gas, AZ
Pending Rider or surcharge, gas

This is a smaller, recurring infrastructure charge, not a full base rate case; it would add about 2.25 dollars a month to a typical UNS Gas bill if approved.

+$2a month