{"id":9153,"date":"2026-07-24T11:44:52","date_gmt":"2026-07-24T08:44:52","guid":{"rendered":"https:\/\/axinar.com\/blog\/bifacial-pv-ground-mount-terrasol"},"modified":"2026-07-24T11:44:52","modified_gmt":"2026-07-24T08:44:52","slug":"bifacial-pv-ground-mount-terrasol","status":"publish","type":"post","link":"https:\/\/axinar.com\/fr\/blog\/bifacial-pv-ground-mount-terrasol","title":{"rendered":"PV bifacial au sol : production suppl\u00e9mentaire avec Terrasol"},"content":{"rendered":"<p><strong>PV bifacial<\/strong> les panneaux produisent de l\u2019\u00e9nergie des deux c\u00f4t\u00e9s : \u00e0 l\u2019avant par le rayonnement direct, \u00e0 l\u2019arri\u00e8re par la r\u00e9flexion du sol. Dans une bonne configuration, cela se traduit par <strong>10 \u00e0 25 % de production annuelle en plus<\/strong> sans surface suppl\u00e9mentaire. Dans une mauvaise configuration, l\u2019\u00e9cart est n\u00e9gligeable. Ce qui compte, c\u2019est COMMENT ils sont install\u00e9s, pas seulement l\u2019achat d\u2019un panneau bifacial.<\/p>\n<h2>Comment fonctionnent les panneaux bifaciaux<\/h2>\n<p>Un panneau monofacial classique a un film arri\u00e8re opaque. Le bifacial a une face arri\u00e8re transparente (verre ou polym\u00e8re) et <strong>des cellules photovolta\u00efques qui fonctionnent des deux c\u00f4t\u00e9s<\/strong>. La face avant produit l\u2019essentiel de l\u2019\u00e9nergie (~90 % du total). La face arri\u00e8re apporte en plus <strong>10\u201325%<\/strong>, selon les conditions.<\/p>\n<h2>Facteurs du gain bifacial<\/h2>\n<h3>1. R\u00e9flectivit\u00e9 du sol (alb\u00e9do)<\/h3>\n<table>\n<thead>\n<tr>\n<th>Type de sol<\/th>\n<th>Alb\u00e9do<\/th>\n<th>Gain bifacial<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Neige fra\u00eeche<\/td>\n<td>0,70\u20130,90<\/td>\n<td>25\u201330%<\/td>\n<\/tr>\n<tr>\n<td>Gravier blanc \/ granit<\/td>\n<td>0,40\u20130,60<\/td>\n<td>15\u201322%<\/td>\n<\/tr>\n<tr>\n<td>Sable \/ sol meuble<\/td>\n<td>0,25\u20130,40<\/td>\n<td>10\u201315%<\/td>\n<\/tr>\n<tr>\n<td>Herbe<\/td>\n<td>0,15\u20130,25<\/td>\n<td>6\u201310%<\/td>\n<\/tr>\n<tr>\n<td>Asphalte \/ sombre<\/td>\n<td>0,05\u20130,15<\/td>\n<td>3\u20136%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. Hauteur au-dessus du sol<\/h3>\n<p>Plus la hauteur est grande, plus la r\u00e9flexion atteint les deux faces. Hauteur id\u00e9ale : <strong>0,8 \u00e0 1,5 m du sol<\/strong> pour le montage au sol, ou au-dessus des toits avec lestage (~30 \u00e0 50 cm).<\/p>\n<h3>3. Angle d\u2019inclinaison<\/h3>\n<p>A <em>plus bas<\/em> inclinaison (15 \u00e0 25\u00b0) laisse davantage de rayonnement r\u00e9fl\u00e9chi atteindre la face arri\u00e8re. Convient aux syst\u00e8mes est-ouest et au montage au sol.<\/p>\n<h3>4. Aucun ombrage par les \u00e9l\u00e9ments de structure<\/h3>\n<p>Poutres, pieux et rails doivent \u00eatre aussi en retrait et aussi fins que possible, pour ne pas ombrager la face arri\u00e8re.<\/p>\n<h2>Installations id\u00e9ales pour le bifacial<\/h2>\n<ul>\n<li><strong>Montage au sol (Terrasol) :<\/strong> Hauteur au sol, face inf\u00e9rieure d\u00e9gag\u00e9e, gain bifacial de 10 \u00e0 20 %<\/li>\n<li><strong>Agri-PV est-ouest :<\/strong> Faible inclinaison, r\u00e9flexion uniforme, gain bifacial de 15 \u00e0 25 %<\/li>\n<li><strong>Carport solaire :<\/strong> Abris avec surface claire en dessous (b\u00e9ton, asphalte), gain bifacial de 5 \u00e0 10 % (AXINAR utilise des panneaux PERC bifaciaux sur le carport solaire)<\/li>\n<li><strong>Toit avec lestage :<\/strong> Hauteur au-dessus de la membrane, surface claire, gain bifacial de 8 \u00e0 12 %<\/li>\n<\/ul>\n<h2>Pas id\u00e9al (le bifacial ne vaut PAS le coup)<\/h2>\n<ul>\n<li><strong>Toit en tuiles :<\/strong> Le panneau est coll\u00e9 aux tuiles, aucune r\u00e9flexion arri\u00e8re. Utilisez du monofacial simple.<\/li>\n<li><strong>Toits sombres :<\/strong> Tuiles noires, asphalte sombre, gain bifacial &lt; 3 %. Le surco\u00fbt n\u2019est pas justifi\u00e9.<\/li>\n<li><strong>Dispositions denses sans hauteur :<\/strong> Si les faces arri\u00e8re s\u2019ombragent mutuellement.<\/li>\n<\/ul>\n<h2>Co\u00fbt &amp; Amortissement<\/h2>\n<p>Les panneaux bifaciaux co\u00fbtent en g\u00e9n\u00e9ral <strong>5 \u00e0 15 % de plus<\/strong> que le m\u00eame panneau monofacial. Dans une installation au sol bien con\u00e7ue avec 15 % de gain bifacial, le surco\u00fbt est amorti <strong>sous 1 \u00e0 2 ans<\/strong>. Sur les 23 ann\u00e9es d\u2019exploitation restantes, les 15 % suppl\u00e9mentaires sont un gain net.<\/p>\n<div style=\"border:1px solid rgba(221,43,28,.28);border-radius:10px;padding:22px;margin:26px 0;background:rgba(255,255,255,.02);\">\n<div style=\"margin-bottom:14px;\">\n<div style=\"font-family:'Barlow Condensed', sans-serif;font-size:1.35rem;font-weight:700;line-height:1.15;margin-bottom:2px;color:#ffffff;\">AXINAR Terrasol 2V<\/div>\n<div style=\"opacity:.85;font-size:.92rem;color:#ffffff;\">Au sol ou en toiture, compatible bifacial<\/div>\n<\/div>\n<div>\n<p style=\"margin:0 0 12px 0;line-height:1.55;color:#ffffff;\">Le Terrasol 2V est install\u00e9 en hauteur par rapport au toit, ce qui laisse de la place au rayonnement r\u00e9fl\u00e9chi sur la face arri\u00e8re des panneaux bifaciaux, soit 8 \u00e0 12 % de gain bifacial en conditions typiques.<\/p>\n<ul style=\"margin:0 0 14px 0;padding-left:20px;color:#ffffff;\">\n<li style=\"margin-bottom:6px;\">Compact, 2 rang\u00e9es, maximise la surface r\u00e9fl\u00e9chissante<\/li>\n<li style=\"margin-bottom:6px;\">Angle r\u00e9glable 10 \u00e0 35\u00b0<\/li>\n<li style=\"margin-bottom:6px;\">Galvanis\u00e9, fabrication grecque<\/li>\n<\/ul>\n<p><a href=\"https:\/\/axinar.com\/fr\/p\/terrasol-2v-systeme-pv-au-sol-a-deux-pieux-fr\" style=\"display:inline-block !important;background:#dd2b1c !important;color:#ffffff !important;font-family:Barlow Condensed, sans-serif !important;font-size:.9rem !important;font-weight:700 !important;text-transform:uppercase !important;letter-spacing:1.2px !important;padding:10px 22px !important;border-radius:6px !important;text-decoration:none !important;margin-top:10px;\">Voir le produit \u2192<\/a><\/div>\n<\/div>\n<h2>Demander une \u00e9tude statique &amp; Devis<\/h2>\n<p>Envoyez-nous les donn\u00e9es de base de votre projet : surface, type de toiture ou de sol, zone, puissance PV, et nous r\u00e9pondons sous 24 heures avec un syst\u00e8me de montage recommand\u00e9 et <strong>\u00e9tude statique gratuite<\/strong>.<\/p>\n<p><a href=\"https:\/\/axinar.com\/fr\/contact\" style=\"display:inline-block !important;background:#dd2b1c !important;color:#ffffff !important;font-family:Barlow Condensed, sans-serif !important;font-size:1rem !important;font-weight:700 !important;text-transform:uppercase !important;letter-spacing:1.5px !important;padding:12px 28px !important;border-radius:8px !important;text-decoration:none !important;margin-top:8px;\">Demander un devis \u2192<\/a><\/p>\n<hr>\n<p><em>Voir <a href=\"https:\/\/axinar.com\/fr\/blog\/pv-tilt-angle-greece-by-zone\">angle d\u2019inclinaison optimal<\/a>, or <a href=\"https:\/\/axinar.com\/fr\/blog\/east-west-agrivoltaics-greece\">Agri-PV est-ouest<\/a> o\u00f9 le bifacial est pleinement exploit\u00e9.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PV bifacial les panneaux produisent de l\u2019\u00e9nergie des deux c\u00f4t\u00e9s : \u00e0 l\u2019avant par le rayonnement direct, \u00e0 l\u2019arri\u00e8re par [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":7415,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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pourcentage de production suppl\u00e9mentaire (gain bifacial), conditions optimales, AXINAR Terrasol 2V.","footnotes":""},"categories":[381,167],"tags":[],"class_list":["post-9153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts\/9153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/comments?post=9153"}],"version-history":[{"count":0,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts\/9153\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/media\/7415"}],"wp:attachment":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/media?parent=9153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/categories?post=9153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/tags?post=9153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}