Komori
Occurring Fact9503The Kansai Electric Power Company,IncorporatedElectricity and gas

Regarding changes to the periodic inspection schedule for Takahama Nuclear Power Station Unit 4

For the 26th periodic inspection of Unit 4 at the Takahama Nuclear Power Plant, the work schedule, including measures to address damage to the heat-transfer tubes of the steam generator, was revised, and the planned reconnection to the transmission grid was changed to 19 October.

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高浜発電所4号機の定期検査工程の変更

Subject Entity

The Kansai Electric Power Company,Incorporated

Target Locations / Products

高浜発電所4号機(加圧水型軽水炉)

Occurrence2025年9月8日

(開示日。工程変更自体の発生日はNot disclosed)

This disclosure09/08/2025
Cause

蒸気発生器伝熱管の損傷。原因は調査中とされている。

Company response

Suspended operations

高浜発電所4号機の運転(定期検査中で、運転再開予定が示されている)

Scheduled resumption date

2025年10月19日(並列予定)

Outlook

2025年10月19日に並列予定

Event that occurred
ItemDetails
Event name高浜発電所4号機の定期検査工程の変更
Date of occurrence2025年9月8日(開示日。工程変更自体の発生日はNot disclosed)
Subject EntityThe Kansai Electric Power Company,Incorporated
Target Locations / Products高浜発電所4号機(加圧水型軽水炉)
Cause蒸気発生器伝熱管の損傷。原因は調査中とされている。
Suspended operations高浜発電所4号機の運転(定期検査中で、運転再開予定が示されている)
Scheduled resumption date2025年10月19日(並列予定)
Outlook2025年10月19日に並列予定
Items this document does not state (17)
Date recognized / date notice receivedAmount of Impact on Business PerformanceAccounting period in which recognizedImpact on Earnings ForecastType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the changePlanned follow-up disclosure

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

蒸気発生器伝熱管の損傷を確認し、原因調査と当該伝熱管の施栓等の対策を進めたうえで、作業工程を精査した結果、運転再開の見通しが立ったためです。

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This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
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Regarding changes to the periodic inspection schedule for Takahama Nuclear Power Station Unit 4 | The Kansai Electric Power Company,Incorporated (9503) timely disclosure | Komori