Complete Unit 4 final planned major outage at Four Corners
Delivered by the deadline
AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.
- Announced
- 6 Jan 2025
- Due
- 31 Dec 2025
- Delivered
- Q2 2025
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“Unit 4 final planned major outage in 2025”
What we found
Evidence strength A What the grades mean
APS/Pinnacle West SEC investor decks report the Four Corners Unit 4 major outage occurred in Q1 2025 (72 days) with completion in Q2 2025 (12 days), both listed as actual durations.
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A Q1 2025 Earnings Presentation Original Q1 2025 planned outage schedule for Four Corners Unit 4
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A August Investor Deck - Pinnacle West Capital Corp Confirms same actual outage duration data for Four Corners Unit 4
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A October Investor Deck - Pinnacle West Capital Corp Shows Four Corners Unit 4 Q1 (72 days) and Q2 (12 days) as 'Actual Duration'
Checked 12 Sep 2026.
Commitment DNA
The structured record of this commitment. Fields the company did not state are left blank rather than guessed.
- Event type
- Construction
- Indicative materiality
- Medium rules
- Action
- Complete
- Language
- Expected (“expects”, “plans”)
How this entry was checked
- Commitment recordedRecorded from the company's filing.
- First checkAn AI model read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Gemini (Google), re-read the evidence without being told the outcome and reached the same answer.
Confirmed. This outcome counts towards the company's Kept Score. How verification works
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Report an error in this entry Reference: KI-C-2025-C007286-000054 · Corrections policy