{"id":14923,"date":"2025-04-08T14:08:08","date_gmt":"2025-04-08T12:08:08","guid":{"rendered":"https:\/\/www.renouvelle.be\/?p=14923"},"modified":"2025-04-08T14:08:11","modified_gmt":"2025-04-08T12:08:11","slug":"la-biomethanisation-reprend-sa-progression-en-wallonie","status":"publish","type":"post","link":"https:\/\/www.renouvelle.be\/fr\/la-biomethanisation-reprend-sa-progression-en-wallonie\/","title":{"rendered":"La biom\u00e9thanisation reprend sa progression en Wallonie"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Valbiom a r\u00e9cemment partag\u00e9 son panorama annuel de la biom\u00e9thanisation en Wallonie, qui revient sur les r\u00e9sultats et l\u2019\u00e9tat du secteur en 2023.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour rappel, la biom\u00e9thanisation est une technique de fermentation o\u00f9 des micro-organismes d\u00e9composent de la mati\u00e8re organique, et cela dans une grande cuve. Le processus se d\u00e9roule dans des conditions ana\u00e9robies, autrement dit : sans oxyg\u00e8ne et avec une temp\u00e9rature constante de 40\u202f\u00b0C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la fin du processus, on obtient du digestat (fertilisant) et du biogaz. Ce dernier pourra \u00eatre valoris\u00e9 dans diff\u00e9rentes productions d\u2019\u00e9nergie : chaleur (par combustion dans une chaudi\u00e8re), \u00e9lectricit\u00e9 (par combustion actionnant un alternateur ou par la production de vapeur actionnant une turbine, puis un alternateur), \u00e9lectricit\u00e9 et chaleur (par cog\u00e9n\u00e9ration), ou biom\u00e9thane (en \u00e9purant le CO\u2082 et en compressant le biogaz).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"631\" src=\"https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation.png\" alt=\"biom\u00e9thanisation Wallonie\" class=\"wp-image-14928\" style=\"width:604px;height:auto\" srcset=\"https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation.png 955w, https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation-300x198.png 300w, https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation-768x507.png 768w, https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation-100x65.png 100w\" sizes=\"auto, (max-width: 955px) 100vw, 955px\" \/><figcaption class=\"wp-element-caption\">Source image : Valbiom<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Bilan de la biom\u00e9thanisation en Wallonie pour 2023<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En 2023, la Wallonie comptait 63 unit\u00e9s de biom\u00e9thanisation, dont une majorit\u00e9 dans le secteur agricole, qui totalisait 40 sites, dont 17 micro-unit\u00e9s. Trois de ces unit\u00e9s agricoles injectent m\u00eame du biom\u00e9thane sur le r\u00e9seau de gaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Progressant de fa\u00e7on stable entre 2014 et 2021, la biom\u00e9thanisation a n\u00e9anmoins connu quelques variations \u00e0 partir de 2018, subissant notamment un net ralentissement en 2022. Mais 2023 est reparti \u00e0 la hausse, passant de 47 installations l\u2019ann\u00e9e pr\u00e9c\u00e9dente \u00e0 63. La plus forte \u00e9volution a \u00e9t\u00e9 observ\u00e9e dans le secteur agricole, qui valorise le <a href=\"https:\/\/www.renouvelle.be\/fr\/pourra-t-on-remplacer-le-gaz-naturel-par-du-biogaz-en-europe\/\" target=\"_blank\" rel=\"noreferrer noopener\">biogaz<\/a> essentiellement en cog\u00e9n\u00e9ration.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"667\" height=\"561\" src=\"https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation_2.png\" alt=\"biom\u00e9thanisation Wallonie\" class=\"wp-image-14930\" style=\"width:630px;height:auto\" srcset=\"https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation_2.png 667w, https:\/\/www.renouvelle.be\/wp-content\/uploads\/2025\/04\/valbiom_biomethanisation_2-300x252.png 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><figcaption class=\"wp-element-caption\">Source image : Valbiom<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">La puissance \u00e9lectrique totale install\u00e9e, port\u00e9e par la biom\u00e9thanisation agricole, s\u2019\u00e9l\u00e8ve \u00e0 un peu plus de 60 MW. En ce qui concerne la puissance thermique totale install\u00e9e, elle grimpe \u00e0 presque 65 MW.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au total, 918\u202f000 tonnes de mati\u00e8res organiques ont \u00e9t\u00e9 valoris\u00e9es. Les <a href=\"https:\/\/www.renouvelle.be\/fr\/waste-end-transformer-les-dechets-alimentaires-en-energie-verte\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u00e9chets<\/a> agroalimentaires, en particulier, ont repr\u00e9sent\u00e9 environ 54\u202f% des 880\u202f000 tonnes utilis\u00e9es dans la biom\u00e9thanisation agricole.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">249 GWh d\u2019\u00e9lectricit\u00e9 ont \u00e9t\u00e9 produits gr\u00e2ce \u00e0 la fili\u00e8re de la biom\u00e9thanisation. Pour ce qui est de la production thermique, elle s\u2019est \u00e9lev\u00e9e \u00e0 157 GWh. Enfin, 123 GWh de biom\u00e9thane ont \u00e9t\u00e9 inject\u00e9s sur le r\u00e9seau de gaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019\u00e9dition 2024 du rapport complet est \u00e0 d\u00e9couvrir <a href=\"https:\/\/www.valbiom.be\/sites\/default\/files\/tool\/file\/lay-panorama-biometh-2024-ecran-v3_0.pdf\">ici<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Valbiom a r\u00e9cemment partag\u00e9 son panorama annuel de la biom\u00e9thanisation en Wallonie, qui revient sur les r\u00e9sultats et l\u2019\u00e9tat du secteur en 2023. Pour rappel, la biom\u00e9thanisation est une technique de fermentation o\u00f9 des micro-organismes d\u00e9composent de la mati\u00e8re organique, et cela dans une grande cuve. Le processus se d\u00e9roule dans des conditions ana\u00e9robies, autrement dit : sans oxyg\u00e8ne et avec une temp\u00e9rature constante de 40\u202f\u00b0C. \u00c0 la fin du processus, on obtient du digestat (fertilisant) et du biogaz. Ce dernier pourra \u00eatre valoris\u00e9 dans diff\u00e9rentes productions d\u2019\u00e9nergie : chaleur (par combustion dans une chaudi\u00e8re), \u00e9lectricit\u00e9 (par combustion actionnant un alternateur ou par la production de vapeur actionnant une turbine, puis un alternateur), \u00e9lectricit\u00e9 et chaleur (par cog\u00e9n\u00e9ration), ou biom\u00e9thane (en \u00e9purant le CO\u2082 et en compressant le biogaz). Bilan de la biom\u00e9thanisation en Wallonie pour 2023 En 2023, la Wallonie comptait 63 unit\u00e9s de biom\u00e9thanisation, dont une majorit\u00e9 dans le secteur agricole, qui totalisait 40 sites, dont 17 micro-unit\u00e9s. Trois de ces unit\u00e9s agricoles injectent m\u00eame du biom\u00e9thane sur le r\u00e9seau de gaz. Progressant de fa\u00e7on stable entre 2014 et 2021, la biom\u00e9thanisation a n\u00e9anmoins connu quelques variations \u00e0 partir de 2018, subissant notamment un net ralentissement en 2022. Mais 2023 est reparti \u00e0 la hausse, passant de 47 installations l\u2019ann\u00e9e pr\u00e9c\u00e9dente \u00e0 63. La plus forte \u00e9volution a \u00e9t\u00e9 observ\u00e9e dans le secteur agricole, qui valorise le biogaz essentiellement en cog\u00e9n\u00e9ration. La puissance \u00e9lectrique totale install\u00e9e, port\u00e9e par la biom\u00e9thanisation agricole, s\u2019\u00e9l\u00e8ve \u00e0 un peu plus de 60 MW. En ce qui concerne la puissance thermique totale install\u00e9e, elle grimpe \u00e0 presque 65 MW. Au total, 918\u202f000 tonnes de mati\u00e8res organiques ont \u00e9t\u00e9 valoris\u00e9es. Les d\u00e9chets agroalimentaires, en particulier, ont repr\u00e9sent\u00e9 environ 54\u202f% des 880\u202f000 tonnes utilis\u00e9es dans &hellip; <a href=\"https:\/\/www.renouvelle.be\/fr\/la-biomethanisation-reprend-sa-progression-en-wallonie\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> \u00ab\u00a0La biom\u00e9thanisation reprend sa progression en Wallonie\u00a0\u00bb<\/span><\/a><\/p>\n","protected":false},"author":38,"featured_media":14934,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16,17],"tags":[],"section":[8,4],"class_list":["post-14923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-actualite-en-belgique","section-energie-renouvelables","section-biomasse-energie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La biom\u00e9thanisation reprend sa progression en Wallonie - 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