{"id":5170,"date":"2026-01-17T21:13:41","date_gmt":"2026-01-17T21:13:41","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=5170"},"modified":"2026-01-17T21:13:41","modified_gmt":"2026-01-17T21:13:41","slug":"extension-naval-group-indre-opposition-anti-nucleaire","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/extension-naval-group-indre-opposition-anti-nucleaire\/","title":{"rendered":"Indre : le projet d\u2019extension de Naval Group pour le porte-avions divise \u00e9lus et associations"},"content":{"rendered":"\n<article id=\"imn-naval-group-extension-indre-anti-nucleaire\" style=\"font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;max-width:1100px;margin:auto;padding:24px;background:#fff;\">\n\n<header>\n\n  <p>\n    \u00c0 Indre, pr\u00e8s de Nantes, le site d\u2019Indret de Naval Group doit \u00e9voluer pour r\u00e9pondre \u00e0 une nouvelle commande strat\u00e9gique de l\u2019\u00c9tat.\n    L\u2019entreprise y fabriquera les moteurs des futurs sous-marins nucl\u00e9aires et du porte-avions nouvelle g\u00e9n\u00e9ration (PANG).\n    Ce projet implique des transformations importantes du site et une modification du plan local d\u2019urbanisme m\u00e9tropolitain (PLUm),\n    ce qui suscite l\u2019opposition de plusieurs collectifs antinucl\u00e9aires et \u00e9cologistes.\n  <\/p>\n<\/header>\n\n<section>\n  <h2>Un site industriel appel\u00e9 \u00e0 se transformer<\/h2>\n\n  <p>\n    Sp\u00e9cialis\u00e9 dans la propulsion nucl\u00e9aire navale, Naval Group pr\u00e9pare le chantier du PANG, un porte-avions de nouvelle g\u00e9n\u00e9ration\n    d\u2019environ 310 m\u00e8tres de long. Pour accompagner ce programme, le site d\u2019Indret doit \u00eatre adapt\u00e9.\n    De nouveaux b\u00e2timents plus grands et un quai \u00e9largi sont pr\u00e9vus afin d\u2019accueillir des \u00e9quipements lourds,\n    dont deux unit\u00e9s de production \u00e9lectrique de grande capacit\u00e9.\n  <\/p>\n\n  <p>\n    Ces am\u00e9nagements n\u00e9cessitent une modification du plan local d\u2019urbanisme m\u00e9tropolitain, notamment avec la r\u00e9duction du p\u00e9rim\u00e8tre\n    d\u2019un espace bois\u00e9 class\u00e9. C\u2019est ce point qui cristallise une partie des oppositions exprim\u00e9es par plusieurs associations locales\n    et nationales.\n  <\/p>\n<\/section>\n\n<section>\n  <h2>Des associations mobilis\u00e9es contre le nucl\u00e9aire civil et militaire<\/h2>\n\n  <p>\n    Les organisations Sortir du nucl\u00e9aire, le comit\u00e9 Stop Bure en Retz et les Soul\u00e8vements de la Terre d\u00e9noncent un projet qu\u2019elles\n    estiment incompatible avec les politiques locales en faveur de l\u2019environnement et de la protection des g\u00e9n\u00e9rations futures.\n    Elles rappellent \u00e9galement les risques associ\u00e9s au nucl\u00e9aire, qu\u2019il soit civil ou militaire.\n  <\/p>\n\n  <p>\n    Les opposants \u00e9voquent notamment une contradiction avec le Manifeste de la Loire, sign\u00e9 par le maire d\u2019Indre en mai 2025,\n    document qui engage les collectivit\u00e9s signataires \u00e0 pr\u00e9server le fleuve et ses \u00e9cosyst\u00e8mes.\n    Selon ces collectifs, la justification s\u00e9curitaire du projet ne peut pas, \u00e0 elle seule, constituer un argument d\u2019int\u00e9r\u00eat g\u00e9n\u00e9ral.\n  <\/p>\n<\/section>\n\n<section>\n  <h2>La mairie d\u2019Indre pr\u00e9cise la nature des activit\u00e9s pr\u00e9vues<\/h2>\n\n  <p>\n    La municipalit\u00e9 d\u2019Indre affirme pour sa part qu\u2019il n\u2019y aura pas d\u2019agrandissement du p\u00e9rim\u00e8tre industriel ni de pr\u00e9sence de mati\u00e8res\n    nucl\u00e9aires sur le site. Elle pr\u00e9cise qu\u2019aucun uranium ne sera stock\u00e9 et que les b\u00e2timents ne sont pas class\u00e9s comme installations\n    nucl\u00e9aires.\n  <\/p>\n\n  <p>\n    Selon la mairie, l\u2019activit\u00e9 concerne la fabrication de syst\u00e8mes de propulsion destin\u00e9s aux navires de la Marine nationale.\n    La modification du PLUm rel\u00e8verait d\u2019une proc\u00e9dure r\u00e9glementaire encadr\u00e9e par la loi, dans le cadre d\u2019un projet port\u00e9 par l\u2019\u00c9tat\n    pour soutenir la fili\u00e8re navale strat\u00e9gique.\n  <\/p>\n<\/section>\n\n<section>\n  <h2>Concertation publique et retomb\u00e9es \u00e9conomiques attendues<\/h2>\n\n  <p>\n    Lors du dernier conseil m\u00e9tropolitain, une concertation pr\u00e9alable du public a \u00e9t\u00e9 vot\u00e9e.\n    Elle se tiendra du 1er au 15 avril, dans le cadre de la proc\u00e9dure de modification du plan local d\u2019urbanisme m\u00e9tropolitain\n    concernant le site de Naval Group \u00e0 Indre.\n  <\/p>\n\n  <p>\n    D\u2019apr\u00e8s les \u00e9l\u00e9ments communiqu\u00e9s, les programmes de construction de navires de guerre entra\u00eeneraient environ\n    150 embauches par an pendant quatre ans. Le site pourrait ainsi atteindre pr\u00e8s de 2 000 salari\u00e9s,\n    renfor\u00e7ant son poids \u00e9conomique dans l\u2019agglom\u00e9ration nantaise.\n  <\/p>\n<\/section>\n\n<!-- =========================================================\n     MINI-JEU IMN : QUIZ INTERACTIF \u2014 NAVAL GROUP \u00c0 INDRE\n     15 questions, 3 niveaux, QCM lisible, tracking IMN\n========================================================= -->\n\n<section id=\"imn-quiz-naval\" style=\"max-width:520px;margin:32px auto;padding:16px;border-radius:16px;background:#ffffff;border:2px solid #5532F0;box-shadow:0 6px 18px rgba(0,0,0,.08);font-family:Inter,Arial,sans-serif;\">\n\n  <h2 style=\"text-align:center;color:#5532F0;margin:4px 0 6px;\">Mini-jeu IMN : Quiz \u2013 Naval Group \u00e0 Indre<\/h2>\n  <p style=\"text-align:center;margin:0 0 10px;font-size:14px;\">\n    Teste tes connaissances sur le projet, la concertation publique et les enjeux environnementaux.\n  <\/p>\n\n  <div 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?\",a:[\"Indre\",\"Saint-Herblain\",\"Rez\u00e9\",\"Bouguenais\"],c:0},\n    {q:\"Quel type d\u2019\u00e9quipements seront fabriqu\u00e9s \u00e0 Indret ?\",a:[\"Des turbines \u00e9oliennes\",\"Des moteurs de propulsion navale\",\"Des r\u00e9acteurs civils\",\"Des batteries industrielles\"],c:1},\n    {q:\"Quel grand navire est concern\u00e9 par ce programme ?\",a:[\"Un ferry\",\"Un cargo\",\"Un porte-avions nouvelle g\u00e9n\u00e9ration\",\"Un paquebot\"],c:2},\n    {q:\"Quelle proc\u00e9dure d\u2019urbanisme doit \u00eatre modifi\u00e9e ?\",a:[\"Le SCOT\",\"Le PLUm\",\"Le PPRT\",\"Le cadastre communal\"],c:1},\n    {q:\"Quel \u00e9l\u00e9ment naturel est partiellement concern\u00e9 par la modification ?\",a:[\"Zone humide class\u00e9e\",\"Espace bois\u00e9 class\u00e9\",\"Parc naturel r\u00e9gional\",\"Zone Natura 2000\"],c:1},\n    {q:\"Quelles associations contestent le projet ?\",a:[\"Associations sportives\",\"Collectifs antinucl\u00e9aires et \u00e9cologistes\",\"Chambres consulaires\",\"Comit\u00e9s d\u2019entreprise\"],c:1},\n    {q:\"Que dit la mairie d\u2019Indre concernant la pr\u00e9sence de nucl\u00e9aire ?\",a:[\"Stockage d\u2019uranium pr\u00e9vu\",\"R\u00e9acteur en fonctionnement\",\"Pas de mati\u00e8res nucl\u00e9aires sur site\",\"Centrale en construction\"],c:2},\n    {q:\"Quelle concertation est pr\u00e9vue ?\",a:[\"R\u00e9f\u00e9rendum local\",\"Consultation en ligne uniquement\",\"Concertation publique du 1er au 15 avril\",\"Vote du personnel\"],c:2},\n    {q:\"Combien d\u2019embauches par an sont annonc\u00e9es ?\",a:[\"50\",\"150\",\"300\",\"500\"],c:1},\n    {q:\"Combien de salari\u00e9s pourrait compter le site \u00e0 terme ?\",a:[\"800\",\"1 200\",\"2 000\",\"3 500\"],c:2},\n    {q:\"Quel est l\u2019argument principal des opposants ?\",a:[\"Baisse du tourisme\",\"Risque environnemental et contradiction avec les engagements locaux\",\"Probl\u00e8me de stationnement\",\"Manque de logements\"],c:1},\n    {q:\"Quel document local est cit\u00e9 par les opposants ?\",a:[\"Plan climat\",\"Manifeste de la Loire\",\"Charte portuaire\",\"Agenda 21\"],c:1},\n    {q:\"Quel acteur porte la commande du programme ?\",a:[\"La R\u00e9gion\",\"La M\u00e9tropole\",\"L\u2019\u00c9tat\",\"L\u2019Union europ\u00e9enne\"],c:2},\n    {q:\"\u00c0 quoi servent les moteurs produits ?\",a:[\"Navires civils\",\"Navires militaires\",\"Trains \u00e0 grande vitesse\",\"Centrales \u00e9lectriques\"],c:1},\n    {q:\"Quel est l\u2019objectif de la modification du site ?\",a:[\"R\u00e9duire l\u2019activit\u00e9\",\"D\u00e9molir les b\u00e2timents\",\"Adapter l\u2019outil industriel aux nouveaux programmes\",\"Changer de secteur \u00e9conomique\"],c:2}\n  ];\n\n  let idx=0, score=0;\n\n  function imnTrackSafe(ev,data){\n    try{ if(window.imnTrack) imnTrack(ev,data||{}); }catch(e){}\n  }\n\n  function showQ(){\n    const q=questions[idx];\n    numEl.textContent=idx+1;\n    qEl.textContent=q.q;\n    aEl.innerHTML='';\n    const 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},1200);\n  }\n\n  function end(){\n    qEl.textContent=\"Quiz termin\u00e9\";\n    aEl.innerHTML=\"\";\n    fb.innerHTML=\"Score final : <strong>\"+score+\"\/15<\/strong>\";\n    startBtn.style.display=\"none\";\n    restartBtn.style.display=\"inline-block\";\n    imnTrackSafe('quiz_end',{score:score});\n  }\n\n  function start(){\n    idx=0; score=0;\n    scoreEl.textContent=0;\n    fb.textContent=\"\";\n    startBtn.style.display=\"none\";\n    restartBtn.style.display=\"none\";\n    imnTrackSafe('quiz_start',{});\n    showQ();\n  }\n\n  startBtn.onclick=start;\n  restartBtn.onclick=start;\n})();\n<\/script>\n\n<footer>\n  <h2>Sources<\/h2>\n  <ul>\n    <li>Communications publiques de la M\u00e9tropole de Nantes sur la modification du PLUm (concertation pr\u00e9alable)<\/li>\n    <li>D\u00e9clarations de la mairie d\u2019Indre sur le projet Naval Group \u2013 site d\u2019Indret<\/li>\n    <li>Dossiers institutionnels sur le programme du porte-avions nouvelle g\u00e9n\u00e9ration (PANG)<\/li>\n    <li>Prises de position des associations Sortir du nucl\u00e9aire, Stop Bure en Retz et Les Soul\u00e8vements de la Terre<\/li>\n  <\/ul>\n<\/footer>\n\n<\/article>\n\n","protected":false},"excerpt":{"rendered":"<p>\u00c0 Indre, pr\u00e8s de Nantes, le site d\u2019Indret de Naval Group doit \u00e9voluer pour r\u00e9pondre \u00e0 une nouvelle commande strat\u00e9gique de l\u2019\u00c9tat. L\u2019entreprise y fabriquera les moteurs des futurs sous-marins nucl\u00e9aires et du porte-avions nouvelle g\u00e9n\u00e9ration (PANG). Ce projet implique des transformations importantes du site et une modification du plan local d\u2019urbanisme m\u00e9tropolitain (PLUm), ce [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[29,22],"tags":[3621,162,3618,7,2670,3620,3622,3619,280],"class_list":["post-5170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entreprises-locales-nantes","category-actualites-nantes","tag-concertation-publique","tag-environnement","tag-indre","tag-loire-atlantique","tag-naval-group","tag-nucleaire","tag-porte-avions","tag-sous-marins","tag-urbanisme"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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