{"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_titles_title":"Les usines tunisiennes en train de fuir la 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tunisiennes,industriels tunisiens,STEG,clients industriels,c\u00e2bles,exportateurs,\u00e9lectricit\u00e9,co\u00fbt de l'\u00e9lectricit\u00e9,tarif STEG,472 millimes\/kWh,gaz naturel,subventions publiques,haute tension,moyenne tension,volatilit\u00e9 des prix,hausses tarifaires,autoconsommation solaire,autoproduction industrielle,photovolta\u00efque,toitures industrielles,parc solaire,capacit\u00e9 install\u00e9e,irradiation solaire,ensoleillement,CAPEX,production annuelle,co\u00fbt du kWh solaire,\u00e9conomies annuelles,ROI,temps de rentabilit\u00e9,seuil de rentabilit\u00e9,comparaison STEG vs Solaire,\u00e9conomie brute,comp\u00e9titivit\u00e9,marges industrielles,co\u00fbts fixes \u00e9nerg\u00e9tiques,d\u00e9pendance \u00e0 la STEG,s\u00e9curisation de l'approvisionnement,r\u00e9duction des co\u00fbts,protection contre les hausses,image ESG,RSE,attractivit\u00e9 investisseurs,fin des subventions,transition \u00e9nerg\u00e9tique,\u00e9nergies renouvelables,EnR,part des renouvelables,autorisations industrielles,d\u00e9lais de raccordement,point de bascule,arbitrage 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