To avoid system-wide isolation risk at Mihama Unit 3, the reactor was shut down for inspection. No environmental impact detected. 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No environmental impact detected. Future impact on earnings is undecided and will be disclosed promptly when determined.","jir_summary":"### Section Heading\nKansai Electric Power Company, during Mihama Nuclear Power Station Unit 3's 2nd periodic inspection, detected water droplets from the insulation material at the outlet pipe of the feedwater heater, considering that system isolation could become difficult, and therefore shut down the reactor. After the shutdown, an inspection is planned, and currently no environmental radiological impact has been confirmed. The impact on future earnings is undecided, and additional information will be disclosed promptly when determined.\n\n### Section 2 Heading\nThe appendix includes a piping diagram and detailed drawings; inspection targets are the 6th high-pressure feedwater heater and surrounding degasser and feedwater system piping locations. The reactor shutdown was made with a timely and appropriate\u505c","jir_financial_highlights":"Environmental impact: Unknown (Unknown)\nReactor shutdown: Unknown (Unknown)","jir_category":"","jir_hashtags":"#KansaiElectricPower, #MihamaNuclearPowerStation, #ReactorShutdown, #\u91cd\u5927\u4e8b\u8c61","jir_key_figures":"Environmental impact: Unknown\nInspection planned: Unknown\nShutdown reason: Equipment inspection due to output increase and confirmation of insulation droplet","jir_meta_title":"\u3010Kansai Electric Power\u3011Manual Reactor Trip at Mihama Unit 3\uff5cSeptember 2026","jir_meta_description":"Kansai Electric Power shut Mihama Unit 3 reactor manually. Inspected following detection of droplets from insulation. No environmental impact. Future earnings impact is undecided; will disclose as information becomes available.","jir_og_title":"Manual Reactor Trip at Mihama Unit 3\uff5cSeptember 2026","jir_og_description":"Stopped Mihama Unit 3 reactor and started inspection. No environmental impact. Future earnings impact is undecided; will notify when additional information becomes available.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":7311,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"general_ir","footnotes":""},"sector":[],"importance":[],"class_list":["post-115040","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n