{"id":4972,"date":"2024-12-21T12:35:00","date_gmt":"2024-12-21T11:35:00","guid":{"rendered":"https:\/\/www.optimum-te-recette.horizon-ci.fr\/unclassified\/celtic-interconnector-microtunnel-done\/"},"modified":"2025-06-12T11:03:29","modified_gmt":"2025-06-12T09:03:29","slug":"celtic-interconnector-microtunnel-done","status":"publish","type":"post","link":"https:\/\/www.optimum-te.com\/en\/electricity-en\/celtic-interconnector-microtunnel-done\/","title":{"rendered":"Celtic Interconnector ; Microtunnel ? DONE !"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Construction of the onshore link from the coast to RTE\u2019s converter station is in full swing. The 84-metre-long AVN 1200 microtunnel section under the River \u00c9lorn and the Paris \u2013 Brest railway is now complete and the cable ducts installed.<\/strong><\/p>\n<p>After the successful completion of the landfall works on the French Brittany coast, OPTIMUM turned its attention to the microtunnel. OPTIMUM engineers monitored construction of the entry \/ exit shafts and were on hand throughout the microtunnel operations, providing technical expertise to both project owner, RTE, and the construction team from Eiffage. Tunnelling under the railway, through slate schist below the water table had its challenges, so teamwork was key to success.<\/p>\n<p>With only an HDD crossing left to go early next year, completion of all the trenchless work for this ambitious project is now in sight !<\/p>\n<p><span>The Celtic Interconnector project is supported by the Connecting Europe Facility (CEF) funding programme.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Construction of the onshore link from the coast to RTE\u2019s converter station is in full swing. The 84-metre-long AVN 1200 microtunnel section under the River \u00c9lorn and the Paris \u2013 Brest railway is now complete and the cable ducts installed.<\/p>\n","protected":false},"author":1,"featured_media":3998,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[49],"tags":[77],"class_list":["post-4972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electricity-en","tag-microtunnelling-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Celtic Interconnector ; Microtunnel ? DONE ! - Optimum<\/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:\/\/www.optimum-te.com\/en\/electricity-en\/celtic-interconnector-microtunnel-done\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Celtic Interconnector ; Microtunnel ? DONE ! - Optimum\" \/>\n<meta property=\"og:description\" content=\"Construction of the onshore link from the coast to RTE\u2019s converter station is in full swing. The 84-metre-long AVN 1200 microtunnel section under the River \u00c9lorn and the Paris \u2013 Brest railway is now complete and the cable ducts installed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.optimum-te.com\/en\/electricity-en\/celtic-interconnector-microtunnel-done\/\" \/>\n<meta property=\"og:site_name\" content=\"Optimum\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-21T11:35:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-12T09:03:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2025\/01\/Celtic-Dec-2024-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1459\" \/>\n\t<meta property=\"og:image:height\" content=\"1094\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin-optimum-549\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin-optimum-549\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/celtic-interconnector-microtunnel-done\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/celtic-interconnector-microtunnel-done\/\"},\"author\":{\"name\":\"admin-optimum-549\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/1c9e13c61c909e5e87588c754752807c\"},\"headline\":\"Celtic Interconnector ; Microtunnel ? 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