Case-specific; utilities initiate fair-value rate cases
Case-specific; utilities initiate fair-value rate cases
Rate period: Historic test years and fair-value rate base are developed in the evidentiary record.
Governing rule ↗← All cases
AZ · electric · E-01933A-25-0103
Tucson Electric Power — 2025 general rate case
Active case·Filed·Utility request
Tucson Electric PowerArizona Corporation CommissionOfficial docket not linkedUpdated Jul 22, 2026View sources
Bottom line
The matter is moving through the ACC evidentiary process; unsupported headline economics remain explicit gaps until the reviewed filing supports them.
Case summary
TEP is seeking revised electric rates in a contested ACC proceeding.
- Latest development
- Application filed
- Next event
- No scheduled event
Jun 1, 2025
Not scheduled
Case stage
Regulatory process
filed
Filed
Jun 1, 2025
Testimony
Not recorded
Hearings
Not recorded
Briefing
Not recorded
Decision
Not recorded
Rates effective
Not recorded
State rules
Base-rate reviews and adjustment mechanisms in Arizona
This docket is a full base-rate review. Selected charges can change on separate schedules without reopening every issue in this case.
Full base-rate review
Between full reviews
Purchased power and fuel adjustor
Periodic adjustment
Approved fuel and purchased-power costs can change between base-rate cases.
Governing source ↗Current case economics
Economics
Filed request and any outcome captured in this docket.
| Metric | Utility request | Current case outcome | Like-for-like difference |
|---|---|---|---|
| Annual revenue increase | Not available Annual utility request | Not available No outcome yet | — |
| Rate base | Not available Not captured in current case sources | Not available No outcome yet | — |
| Return on equity | Not available Not captured in current case sources | Not available No outcome yet | — |
| Common equity ratio | Not available Not captured in current case sources | Not available No outcome yet | — |
| Residential bill impact | Not available The official launch source identifies the active case but does not state this requested value. · Jun 1, 2025 | Not available No outcome yet | — |
Full docket record
1 event · 0 documents · 1 citation
View record
Full docket record
1 event · 0 documents · 1 citation
- Last updated
- Jul 22, 2026
- Docket reviewed
- Jul 22, 2026
- Economics reviewed
- Jul 22, 2026
- Official documents
- 0
- Evidence citations
- 1
Docket history
Material filings, hearings, orders, and effective dates.
Jun 1, 2025
Application filed
official commission · completed
Documents
Docket and evidence documents linked to this proceeding.
No documents are linked to this proceeding.
Citations
Field-level excerpts and review metadata supporting material facts.
TEP rate-case timeline
official record · Feb 17, 2026
Raw observations
Stage-preserving economics and party positions as published in the canonical record.
| Metric | Stage | Party | Period | Value | Evidence |
|---|---|---|---|---|---|
| Annual revenue change | utility request | Tucson Electric Power Company | — | Not available | |
| Residential monthly bill impact | utility request | Tucson Electric Power Company | — | Not available |