Regarding the Automatic Shutdown of the Reactor at Ohi Nuclear Power Station Unit 3
The Kansai Electric Power Company,Incorporated (reporting company)
Ohi Nuclear Power Station Unit 3 (operating at constant rated thermal output)
The “loss of field” alarm was activated. The root cause is currently under investigation.
If any matters requiring disclosure, including any impact on business performance, are identified, we will promptly announce them.
Company response
The generator automatically shut down, followed by the automatic shutdown of the reactor.
We will investigate the cause and promptly provide notice if any matters requiring disclosure, including any impact on earnings, are identified.
We will promptly provide notice if any matters requiring disclosure are identified.
| Item | Details |
|---|---|
| Event name | Regarding the Automatic Shutdown of the Reactor at Ohi Nuclear Power Station Unit 3 |
| Date of occurrence | 23:56 on 8 August 2026 |
| Subject Entity | The Kansai Electric Power Company,Incorporated (reporting company) |
| Target Locations / Products | Ohi Nuclear Power Station Unit 3 (operating at constant rated thermal output) |
| Cause | The “loss of field” alarm was activated. The root cause is currently under investigation. |
| Impact on Earnings Forecast | If any matters requiring disclosure, including any impact on business performance, are identified, we will promptly announce them. |
| Suspended operations | The generator automatically shut down, followed by the automatic shutdown of the reactor. |
| Outlook | We will investigate the cause and promptly provide notice if any matters requiring disclosure, including any impact on earnings, are identified. |
| Planned follow-up disclosure | We will promptly provide notice if any matters requiring disclosure are identified. |
Items this document does not state (16)
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.The generator automatically shut down when the “loss of field” alarm was activated, and the reactor automatically shut down as a result. The root cause is currently under investigation.