{"id":2515,"date":"2026-10-12T13:10:43","date_gmt":"2026-10-12T13:10:43","guid":{"rendered":"https:\/\/energie-environnement.setec.fr\/?post_type=projet&#038;p=2515"},"modified":"2026-10-12T14:57:16","modified_gmt":"2026-10-12T14:57:16","slug":"etablir-letat-initial-de-lenvironnement-du-parc-eolien-au-large-de-bretagne-sud","status":"publish","type":"projet","link":"https:\/\/energie-environnement.setec.fr\/en\/projets\/etablir-letat-initial-de-lenvironnement-du-parc-eolien-au-large-de-bretagne-sud\/","title":{"rendered":"establish the initial state of the environment of the wind farm off the coast of South Brittany"},"content":{"rendered":"<section id=\"wp-block-setec-chapeau-carousel-6ad15942881e9\" class=\"wp-block-setec-chapeau-carousel\">\n\t<div id=\"carousel-wp-block-setec-chapeau-carousel-6ad15942881e9\" class=\"carousel slide h-100\" data-bs-ride=\"carousel\">\n\t\t<div class=\"carousel-inner h-100\">\n\t\t\t\t\t\t\t<div class=\"carousel-item active h-100\">\n\t\t\t\t\t<div class=\"carousel-slide-background py-3 py-md-4 py-lg-5 h-100\" style=\"background-image: url('https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-1-scaled.webp');\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"carousel-slide-text my-5 my-md-0 py-5 py-md-3 py-lg-5 h-100 d-flex flex-column justify-content-end\">\n\t\t\t\t\t\t\t<div class=\"carousel-slide-content text-white\">\n                                                                            <h1 class=\"text-white text-pre-line\">Establishing the initial state of the environment of the wind farm off the coast of South Brittany<\/h1>\n                                    \n                                    \n                                    \n                                    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t<\/div>\n<\/section>\n\n\n<section class=\"wp-block-setec-main-content\">\n    <div class=\"main-content-inner has-padding-left has-padding-right\">\n        \n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-1\"><strong>Client<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ministry of Ecological Transition \u2013 General Directorate of Energy and Climate<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-2\"><strong>CALENDAR<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2021-2025<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-3\"><strong>LOCALISATION<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Off the coast of the islands of Groix and Belle-Ile, FRANCE<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-vert-setec-color has-text-color has-link-color wp-elements-4\"><strong>Context<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">Since the Essoc Law, the first steps of the authorization procedure for the construction of a marine wind farm project and its connection are the responsibility of the State.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This was the case for the creation of the current state of the environment in the areas on which the competitive bidding procedures for the implementation of the projects will be based.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Setec \u00e9nergie environnement was responsible for the creation of this current state of affairs. <a href=\"https:\/\/www.eoliennesenmer.fr\/facades-maritimes-en-france\/facade-nord-atlantique-manche-ouest\/projet-en-bretagne-sud\" target=\"_blank\" rel=\"noreferrer noopener\">the AO5 area in South Brittany<\/a>, across all biological compartments (marine habitats, benthic communities, plankton, fish, molluscs, crustaceans, marine megafauna, avifauna, chiroptera\u2026), and some physical compartments such as water quality, noise (submarine and airborne) and the landscape.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-300x225.webp\" alt=\"\" class=\"wp-image-2517\" style=\"width:370px;height:auto\" srcset=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-300x225.webp 300w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-1024x768.webp 1024w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-768x576.webp 768w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-1536x1152.webp 1536w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2-16x12.webp 16w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/DREAL-BZH-EI-BNO-2.webp 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-bleu-fonc-setec-color has-text-color has-link-color wp-elements-5\"><strong>DETAILED MISSIONS<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The mission consisted of conducting, in addition to a bibliographic initial report, field studies in the open sea (20 km from the coast) in high-tide conditions and at depths of 80 to 100 m, necessary for all the compartments studied over a period of 1 to 2 years:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For water quality: measurements and water sampling (1\/month);<\/li>\n\n\n\n<li>For underwater noise: passive listening with hydrophones and C-PODS (continuous);<\/li>\n\n\n\n<li>For airborne noise: passive listening (2\/year);<\/li>\n\n\n\n<li>For marine habitats and benthic communities: sampling by bucket (2\/year), videos and photos by ROV (1\/year);<\/li>\n\n\n\n<li>For plankton: measurements and sampling (1\/month);<\/li>\n\n\n\n<li>For halieutic populations: scientific fishing (1\/season);<\/li>\n\n\n\n<li>For the avifauna and the marine megafauna: expertises by boat and by plane, with observers (1\/month);<\/li>\n\n\n\n<li>For chiropterans: passive listening on land and at sea (continuous from April to October);<\/li>\n\n\n\n<li>For the landscape: description and identification of the issues.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n    <\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-setec-section-text-columns\">\n    <div class=\"container p-0\">\n        <div class=\"row justify-content-center g-0\">\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-bleu-fonc\u00e9-setec\">\n                            Challenge                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <p>Accompanying the State in acquiring reference environmental knowledge to prepare the implementation of a future offshore wind farm off the coast of South Brittany and establishing a robust and shared current state of the environment covering all components of the marine and coastal environment, in order to inform future permitting procedures and the project\u2019s competitive bidding process.<\/p>                        <\/div>\n                <\/div>\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-vert-setec\">\n                            Key figure                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <p>10 environmental compartments studied<\/p>                        <\/div>\n                <\/div>\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-bleu-canard-setec\">\n                            Expertise                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <ol><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Habitats and benthic communities<\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Plankton<\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Marine megafauna<\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Avifaune<\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Fisheries resources <\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Chiropt\u00e8res<\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Marine biodiversity and ecology<\/li><\/ol>                        <\/div>\n                <\/div>\n\t\t            <\/div>\n    <\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"wp-block-setec-main-content\">\n    <div class=\"main-content-inner has-padding-left has-padding-right\">\n        \n<div class=\"setec-button-wrapper d-flex justify-content-center align-items-center wp-block-setec-button\">\n\t<a class=\"btn btn-setec btn-primary\" href=\"https:\/\/energie-environnement.setec.fr\/en\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n\t\tCONTACT OUR TEAMS\t<\/a>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-vert-setec-color has-text-color has-link-color wp-elements-6\"><strong>Also worth discovering<\/strong><\/h3>\n\n\n<section id=\"wp-block-setec-card-carousel-6ad159428995c\" class=\"wp-block-setec-card-carousel\">\n                        <div class=\"card-carousel-desktop d-none d-md-block\">\n                        <div id=\"carousel-desktop-wp-block-setec-card-carousel-6ad159428995c\" class=\"carousel slide\" data-bs-ride=\"carousel\">\n                                <div class=\"carousel-inner\">\n                                                                                        <div class=\"carousel-item active\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                            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                       <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Conducting environmental and regulatory studies for the connections of wind farms (Fa\u00e7ade Atlantique)<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                                        <div class=\"col-md-4\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/etablir-letat-initial-de-lenvironnement-dans-la-zone-ao7-en-amont-de-limplantation-dun-parc-eolien-en-mer\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/54549-DGEC-AO7-ATL-SUD-1.webp\" alt=\"\u00c9tablir l&#039;\u00e9tat initial de l\u2019environnement dans la zone AO7 en amont de l\u2019implantation d\u2019un parc \u00e9olien en mer\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Establishing the initial state of the environment in the AO7 zone upstream of the installation of a wind farm in the sea<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                        <\/div>\n                                                        <\/div>\n                <\/div>\n                                <div class=\"card-carousel-mobile d-block d-md-none\">\n                        <div id=\"carousel-mobile-wp-block-setec-card-carousel-6ad159428995c\" class=\"carousel slide\" data-bs-ride=\"carousel\">\n                                <div class=\"carousel-inner\">\n                                                                                        <div class=\"carousel-item active\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                                                                                        <div class=\"col-12\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/realiser-les-etudes-environnementales-et-reglementaires-pour-les-raccordements-de-parcs-eoliens-facade-atlantique\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/RTE-GILA-1.webp\" alt=\"R\u00e9aliser les \u00e9tudes environnementales et r\u00e9glementaires pour les raccordements de parcs \u00e9oliens (Fa\u00e7ade Atlantique)\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Conducting environmental and regulatory studies for the connections of wind farms (Fa\u00e7ade Atlantique)<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                                        <div class=\"carousel-item\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                                                                                        <div class=\"col-12\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/etablir-letat-initial-de-lenvironnement-dans-la-zone-ao7-en-amont-de-limplantation-dun-parc-eolien-en-mer\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/54549-DGEC-AO7-ATL-SUD-1.webp\" alt=\"\u00c9tablir l&#039;\u00e9tat initial de l\u2019environnement dans la zone AO7 en amont de l\u2019implantation d\u2019un parc \u00e9olien en mer\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Establishing the initial state of the environment in the AO7 zone upstream of the installation of a wind farm in the sea<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                        <\/div>\n                                                                                                                <div class=\"card-carousel-controls\">\n                                                <div class=\"carousel-indicators\">\n                                                                                                                        <button type=\"button\" data-bs-target=\"#carousel-mobile-wp-block-setec-card-carousel-6ad159428995c\" data-bs-slide-to=\"0\" class=\"active\" aria-current=\"true\" aria-label=\"Slide 1\"><\/button>\n                                                                                                                        <button type=\"button\" data-bs-target=\"#carousel-mobile-wp-block-setec-card-carousel-6ad159428995c\" data-bs-slide-to=\"1\"  aria-label=\"Slide 2\"><\/button>\n                                                                                                        <\/div>\n                                        <\/div>\n                                                        <\/div>\n                <\/div>\n                <\/section>\n\n    <\/div>\n<\/section>","protected":false},"featured_media":0,"template":"","class_list":["post-2515","projet","type-projet","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00e9tablir l\u2019\u00e9tat initial de l\u2019environnement du parc \u00e9olien au large de Bretagne Sud - Setec \u00e9nergie environnement<\/title>\n<meta name=\"robots\" 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