{"id":68281,"date":"2026-02-14T17:58:16","date_gmt":"2026-02-14T16:58:16","guid":{"rendered":"https:\/\/plumeseconomiques.com\/fr\/?p=68281"},"modified":"2026-02-14T17:58:16","modified_gmt":"2026-02-14T16:58:16","slug":"les-usines-tunisiennes-en-train-de-fuir-la-steg","status":"publish","type":"post","link":"https:\/\/plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/les-usines-tunisiennes-en-train-de-fuir-la-steg\/","title":{"rendered":"Les usines tunisiennes en train de fuir la STEG"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Les usines tunisiennes en train de fuir la STEG<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Le basculement \u00e9nerg\u00e9tique des industriels tunisiens<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Face \u00e0 la hausse des co\u00fbts de l\u2019\u00e9lectricit\u00e9 et \u00e0 l\u2019incertitude tarifaire, de plus en plus d\u2019usines tunisiennes investissent dans <strong>l\u2019autoconsommation solaire industrielle<\/strong>.<\/span><br \/>\n<span style=\"color: #000000;\">Objectif : <strong>r\u00e9duire la d\u00e9pendance \u00e0 la STEG, stabiliser les co\u00fbts et raccourcir les d\u00e9lais de rentabilit\u00e9<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Tarif STEG : un co\u00fbt structurellement \u00e9lev\u00e9 pour l\u2019industrie<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Le <strong>prix moyen de l\u2019\u00e9lectricit\u00e9 en Tunisie<\/strong> atteint environ :<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\"><strong>472 millimes\/kWh<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>70 % du co\u00fbt d\u00e9pend du gaz naturel<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>40 % du prix est soutenu par des subventions publiques<\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Ce mod\u00e8le reste <strong>fragile<\/strong>, expos\u00e9 aux prix du gaz et aux contraintes budg\u00e9taires de l\u2019\u00c9tat .<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Implication directe pour l\u2019industrie :<\/span><\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">Co\u00fbt \u00e9nerg\u00e9tique volatil<\/span><\/li>\n<li><span style=\"color: #000000;\">Marges industrielles sous pression<\/span><\/li>\n<li><span style=\"color: #000000;\">Risque de hausse tarifaire \u00e0 moyen terme<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Les industriels sont les plus gros consommateurs d\u2019\u00e9lectricit\u00e9 en Tunisie<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Les clients industriels en moyenne et haute tension repr\u00e9sentent :<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\"><strong>58 % de la demande totale HT\/MT<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Une croissance des ventes HT de <strong>+22 % en 2025<\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">L\u2019industrie est donc <strong>la premi\u00e8re cible \u00e9conomique du solaire en autoconsommation<\/strong> .<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Le solaire industriel progresse d\u00e9j\u00e0 sur le terrain<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Capacit\u00e9 photovolta\u00efque install\u00e9e en Tunisie (2024\u20132025) :<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\"><strong>~400 MW<\/strong> sur toitures r\u00e9sidentielles<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>70\u2013125 MW<\/strong> autoris\u00e9s en <strong>moyenne et haute tension<\/strong> (industrie, tertiaire, agriculture)<\/span><\/li>\n<li><span style=\"color: #000000;\">Part des renouvelables dans la production nationale : <strong>~6 %<\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">L\u2019autoproduction industrielle n\u2019est plus th\u00e9orique : <strong>elle est d\u00e9j\u00e0 d\u00e9ploy\u00e9e \u00e0 grande \u00e9chelle<\/strong> .<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Combien co\u00fbte un parc solaire industriel en Tunisie en 2026 ?<\/span><\/strong><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\">Hypoth\u00e8se usine moyenne (textile \/ agro \/ c\u00e2bles)<\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">Puissance install\u00e9e : <strong>500 kWc<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Co\u00fbt CAPEX estim\u00e9 : <strong>650 000 \u00e0 850 000 TND<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Production annuelle moyenne : <strong>800 000 \u00e0 900 000 kWh<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Co\u00fbt du kWh solaire produit : <strong>0,18 \u00e0 0,25 TND\/kWh<\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Comparaison avec le tarif STEG<\/span><\/strong><\/p>\n<table>\n<thead>\n<tr>\n<td><span style=\"color: #000000;\"><strong>Source<\/strong><\/span><\/td>\n<td><span style=\"color: #000000;\"><strong>Co\u00fbt du kWh<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span style=\"color: #000000;\">STEG industriel<\/span><\/td>\n<td><span style=\"color: #000000;\"><strong>~0,47 TND<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000;\">Solaire autoconsomm\u00e9<\/span><\/td>\n<td><span style=\"color: #000000;\"><strong>~0,20 TND<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u00c9conomie brute : ~0,27 TND par kWh<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Temps de rentabilit\u00e9 estim\u00e9 en 2026 (ROI)<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">\u00c9conomies annuelles moyennes<\/span><\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">850 000 kWh \u00d7 0,27 TND = <strong>~230 000 TND \/ an<\/strong><\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\">Retour sur investissement (ROI)<\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">CAPEX : ~750 000 TND<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>ROI estim\u00e9 : 32 \u00e0 40 mois<\/strong><\/span><br \/>\n<span style=\"color: #000000;\">&#x27a1;&#xfe0f; <strong>\u2248 2,5 \u00e0 3,5 ans<\/strong><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Point cl\u00e9 :<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Une usine tunisienne bien dimensionn\u00e9e peut <strong>amortir son parc solaire en moins de 36 mois<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Pourquoi certaines usines r\u00e9duisent leur d\u00e9pendance \u00e0 la STEG ?<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Motifs \u00e9conomiques<\/span><\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">Protection contre les hausses tarifaires<\/span><\/li>\n<li><span style=\"color: #000000;\">R\u00e9duction des co\u00fbts fixes \u00e9nerg\u00e9tiques<\/span><\/li>\n<li><span style=\"color: #000000;\">Am\u00e9lioration de la comp\u00e9titivit\u00e9 export<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Motifs strat\u00e9giques<\/span><\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">S\u00e9curisation de l\u2019approvisionnement<\/span><\/li>\n<li><span style=\"color: #000000;\">Image ESG et attractivit\u00e9 investisseurs<\/span><\/li>\n<li><span style=\"color: #000000;\">Anticipation d\u2019un futur durcissement des subventions<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">Le point de bascule industriel est atteint<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">La combinaison suivante change la donne :<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #000000;\">Tarifs STEG \u00e9lev\u00e9s<\/span><\/li>\n<li><span style=\"color: #000000;\">Baisse du co\u00fbt du solaire<\/span><\/li>\n<li><span style=\"color: #000000;\">Forte irradiation en Tunisie<\/span><\/li>\n<li><span style=\"color: #000000;\">Acc\u00e9l\u00e9ration des autorisations industrielles<\/span><\/li>\n<li><span style=\"color: #000000;\">Pression sur les subventions publiques<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>R\u00e9sultat :<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Le solaire devient <strong>moins cher que le r\u00e9seau<\/strong> pour une part croissante des sites industriels.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"color: #000000;\">D\u00e9cision strat\u00e9gique pour les industriels tunisiens<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">L\u2019autoconsommation industrielle en Tunisie <strong>n\u2019est plus un pari \u00e9cologique<\/strong>, mais <strong>un arbitrage financier rationnel<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>Combien de temps mon usine peut-elle encore supporter un kWh STEG \u00e0 0,47 TND avant que le solaire devienne une \u00e9vidence \u00e9conomique ?<\/em><\/span><\/p>\n<p><strong>Lire aussi:<\/strong><\/p>\n<div class=\"gsc-thumbnail-inside\">\n<div class=\"gs-title\"><a class=\"gs-title\" dir=\"ltr\" href=\"https:\/\/www.plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-dette-dus-par-les-clients-s-eleve-a-environ-368-millions-de-dinars\/\" data-cturl=\"https:\/\/www.google.com\/url?client=internal-element-cse&amp;cx=011238217578432545340:5m9aarzzppc&amp;q=https:\/\/www.plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-dette-dus-par-les-clients-s-eleve-a-environ-368-millions-de-dinars\/&amp;sa=U&amp;ved=2ahUKEwjug7Tdt9mSAxXBhP0HHZXaPO4QFnoECAgQAQ&amp;usg=AOvVaw2uSsmi7IqDEpgh_kqXr3HN&amp;fexp=73152292,73152290\" data-ctorig=\"https:\/\/www.plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-dette-dus-par-les-clients-s-eleve-a-environ-368-millions-de-dinars\/\"><b>STEG<\/b> : dette dus par les clients s&rsquo;\u00e9l\u00e8ve \u00e0 environ 368 millions de &#8230;<\/a><\/div>\n<\/div>\n<div class=\"gsc-thumbnail-inside\">\n<div class=\"gs-title\"><a class=\"gs-title\" dir=\"ltr\" href=\"https:\/\/plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-clarification-de-la-situation-des-societes-d-energie-solair\/\" data-cturl=\"https:\/\/www.google.com\/url?client=internal-element-cse&amp;cx=011238217578432545340:5m9aarzzppc&amp;q=https:\/\/plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-clarification-de-la-situation-des-societes-d-energie-solair\/&amp;sa=U&amp;ved=2ahUKEwjug7Tdt9mSAxXBhP0HHZXaPO4QFnoECAoQAQ&amp;usg=AOvVaw1DwXVaqkIjixmBMyuxiGmA&amp;fexp=73152292,73152290\" data-ctorig=\"https:\/\/plumeseconomiques.com\/fr\/magazine\/sous-le-zoom\/STEG-clarification-de-la-situation-des-societes-d-energie-solair\/\"><b>STEG<\/b> : clarification de la situation des soci\u00e9t\u00e9s d&rsquo;\u00e9nergie solaire<\/a><\/div>\n<\/div>\n<div class=\"gsc-thumbnail-inside\">\n<div class=\"gs-title\"><a class=\"gs-title\" dir=\"ltr\" href=\"https:\/\/plumeseconomiques.com\/fr\/a-la-une\/La-STEG-une-augmentation-de-16-pc-de-la-consommation-d-electricit\/\" data-cturl=\"https:\/\/www.google.com\/url?client=internal-element-cse&amp;cx=011238217578432545340:5m9aarzzppc&amp;q=https:\/\/plumeseconomiques.com\/fr\/a-la-une\/La-STEG-une-augmentation-de-16-pc-de-la-consommation-d-electricit\/&amp;sa=U&amp;ved=2ahUKEwjug7Tdt9mSAxXBhP0HHZXaPO4QFnoECAMQAQ&amp;usg=AOvVaw16iDdNbpRF0PY3PsjBOaFx&amp;fexp=73152292,73152290\" data-ctorig=\"https:\/\/plumeseconomiques.com\/fr\/a-la-une\/La-STEG-une-augmentation-de-16-pc-de-la-consommation-d-electricit\/\">La <b>STEG<\/b> : une augmentation de 16 pc de la consommation d &#8230;<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Autoconsommation industrielle en Tunisie : analyse des tarifs STEG, co\u00fbts solaires et ROI r\u00e9el des usines en 2026.<\/p>\n","protected":false},"author":1,"featured_media":68282,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Les usines tunisiennes en train de fuir la STEG","_seopress_titles_desc":"Face \u00e0 la hausse des co\u00fbts de l\u2019\u00e9lectricit\u00e9 et \u00e0 l\u2019incertitude tarifaire, de plus en plus d\u2019usines tunisiennes investissent dans l\u2019autoconsommation","_seopress_robots_index":"","footnotes":""},"categories":[74],"tags":[],"class_list":{"0":"post-68281","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sous-le-zoom"},"_links":{"self":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts\/68281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/comments?post=68281"}],"version-history":[{"count":0,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts\/68281\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/media\/68282"}],"wp:attachment":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/media?parent=68281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/categories?post=68281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/tags?post=68281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}