{"id":129168,"date":"2026-10-09T16:40:57","date_gmt":"2026-10-09T07:40:57","guid":{"rendered":"https:\/\/japanir.jp\/en\/ir\/9509-20261009-01_wp_disclosure_update\/"},"modified":"2026-10-09T16:40:57","modified_gmt":"2026-10-09T07:40:57","slug":"9509-20261009-01_wp_disclosure_update","status":"publish","type":"ir_release","link":"https:\/\/japanir.jp\/en\/company\/company-9509\/ir\/9509-20261009-01_wp_disclosure_update\/","title":{"rendered":"Overview of Seawall Installation Work at Tomari Power Plant (Construction Cost Revised to 125.5 billion yen)"},"content":{"rendered":"<p>For the seawall installation work at the Tomari Power Plant, the construction cost has been finalized at 125.5 billion yen following the determination of the completion date. The work targets completion in August 2027 and will adopt a rock-anchored support structure. There are no changes other than the previously reported completion date and cost.<\/p>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","meta":{"Ticker":"","DATE":"","longName":"","company_name_ja":"","fullTimeEmployees":0,"address":"","phone":"","website":"","industry":"","sector":"","regularMarketPrice":0,"financialCurrency":"","marketCap":0,"fiftyTwoWeekLow":0,"fiftyTwoWeekHigh":0,"epsTrailingTwelveMonths":0,"epsForward":0,"bookValue":0,"totalRevenue":0,"OperatingIncome":0,"operatingMargins":0,"NetIncome":0,"profitMargins":0,"ebitda":0,"trailingPE":0,"forwardPE":0,"priceToBook":0,"returnOnEquity":0,"recommendationMean":0,"recommendationKey":"","targetMeanPrice":0,"numberOfAnalystOpinions":0,"analyst_earnings_data":"","dividendRate":0,"dividendYield":0,"payoutRatio":0,"totalEsg":0,"environmentScore":0,"socialScore":0,"governanceScore":0,"title":"","providerPublishTime":"","link":"","longBusinessSummary":"","longBusinessSummary_ja":"","quarterly_revenue":0,"quarterly_net_income":0,"quarterly_operating_profit":0,"enterprise_value":0,"price_fetched_at":"","company_officer_1_name":"","company_officer_1_title":"","company_officer_2_name":"","company_officer_2_title":"","company_officer_3_name":"","company_officer_3_title":"","company_officer_4_name":"","company_officer_4_title":"","company_officer_5_name":"","company_officer_5_title":"","company_officers_update_time":"","get_dividend_history_year1":0,"get_dividend_history_year2":0,"get_dividend_history_year3":0,"get_dividend_history_year4":0,"get_dividend_history_year5":0,"get_dividend_history_year6":0,"get_dividend_history_year7":0,"get_dividend_history_year8":0,"get_dividend_history_year9":0,"get_dividend_history_year10":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jir_stock_code":"9509","jir_company_name":"Hokkaido Electric Power Company, Incorporated","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-10-09","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/9509-20261009-01.pdf","jir_short_summary":"For the seawall installation work at the Tomari Power Plant, the construction cost has been finalized at 125.5 billion yen following the determination of the completion date. The work targets completion in August 2027 and will adopt a rock-anchored support structure. There are no changes other than the previously reported completion date and cost.","jir_summary":"### Key Points of the News Release\nHokkaido Electric Power Company, Incorporated has determined the completion date for the seawall installation work at the Tomari Power Plant as August 2027 and has newly set the construction cost at 125.5 billion yen. Based on prior deliberations and review results, a rock-anchored support structure with high safety was selected, and construction will proceed aiming to shorten the schedule while commencing work. There are no changes other than the construction cost, and safety will remain the top priority going forward.\n\n### Impact and Outlook\nThis matter only updates the construction cost and completion date, and the direct impact on financial performance items is undetermined. There is a possibility of delays to the completion date, but efforts will be made to achieve early completion through planned schedule shortening. The company will promptly disclose any changes that should be reported.","jir_financial_highlights":"Construction cost: 125.5 billion yen (Newly determined)\nCompletion date: August 2027 (Determined)","jir_category":"","jir_hashtags":"#HokkaidoElectricPower, #Seawall, #DisclosureUpdate","jir_key_figures":"Construction cost: 125.5 billion yen\nCompletion date: August 2027\nStructure: Rock-anchored support structure","jir_meta_title":"Hokkaido Electric Power Company, Incorporated: Tomari Power Plant Seawall Construction Cost Set at 125.5 billion yen | Completion August 2027","jir_meta_description":"Hokkaido Electric Power Company, Incorporated announced the completion date for the Tomari Power Plant seawall installation as August 2027 and finalized the construction cost at 125.5 billion yen. A rock-anchored support structure will be used to enhance safety. Progress and any impacts on financial results will be disclosed as appropriate.","jir_og_title":"Hokkaido Electric Power Company, Incorporated: Tomari Power Plant Seawall Construction Cost Set at 125.5 billion yen | Completion 2027","jir_og_description":"The construction cost for the Tomari Power Plant seawall installation has been finalized at 125.5 billion yen. The planned completion date is August 2027. A rock-anchored support structure emphasizing safety will be adopted. Updates on progress will be provided as necessary.","jir_og_image_url":"\/assets\/og\/company-disclosure_update.jpg","jir_chart_data_collection":"[]","ir_related_company":8896,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-129168","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Overview of Seawall Installation Work at Tomari Power Plant (Construction Cost Revised to 125.5 billion yen) - Japan IR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/japanir.jp\/en\/company\/company-9509\/ir\/9509-20261009-01_wp_disclosure_update\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/japanir.jp\/en\/company\/company-9509\/ir\/9509-20261009-01_wp_disclosure_update\/\",\"url\":\"https:\/\/japanir.jp\/en\/company\/company-9509\/ir\/9509-20261009-01_wp_disclosure_update\/\",\"name\":\"Overview of Seawall Installation Work at Tomari Power Plant (Construction Cost Revised to 125.5 billion yen) - 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