{"id":14346,"date":"2026-06-01T09:16:09","date_gmt":"2026-06-01T07:16:09","guid":{"rendered":"https:\/\/altens.fr\/19600-decarbonized-social-housing-units-in-guadeloupe\/"},"modified":"2026-10-23T14:25:16","modified_gmt":"2026-10-23T12:25:16","slug":"19600-decarbonized-social-housing-units-in-guadeloupe","status":"publish","type":"post","link":"https:\/\/altens.fr\/en\/projects-achievements\/19600-decarbonized-social-housing-units-in-guadeloupe\/","title":{"rendered":"19,600 Decarbonized Social Housing Units in Guadeloupe"},"content":{"rendered":"\n<h2 class=\"wp-block-heading p1\"><strong>A <mark class=\"altens-highlight\">Partnership for the Energy Transition<\/mark> of Social Housing in Guadeloupe<\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">Faced with persistently rising energy costs, increasing regulatory demands, and the specific constraints of island territories, energy renovation of social housing is becoming a major issue in the Overseas Territories. It is in this context that the <b>Soci\u00e9t\u00e9 Immobili\u00e8re de la Guadeloupe (SIG)<\/b>, a subsidiary of the <b>CDC Habitat<\/b> group, has chosen to partner with <b>Altens<\/b> and <b>Boost Innovative<\/b> to initiate a progressive and concerted approach across its entire residential portfolio. <\/p>\n\n<section class=\"wp-block-group article-two-images\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns article-two-images__grid is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-1024x768.webp\" alt=\"\" class=\"wp-image-13125\" srcset=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-1024x768.webp 1024w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-300x225.webp 300w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-768x576.webp 768w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-1536x1152.webp 1536w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-1-1-2048x1536.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-1024x768.webp\" alt=\"\" class=\"wp-image-13126\" srcset=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-1024x768.webp 1024w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-300x225.webp 300w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-768x576.webp 768w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-1536x1152.webp 1536w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/boostinovation-sig-altens-3-2048x1536.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"wp-block-group article-dark-section\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-dark-section__container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading article-dark-section__title\"><mark>A Structuring Challenge<\/mark> for the Guadeloupean Territory<\/h2>\n\n\n\n<div class=\"wp-block-group article-dark-section__content\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Guadeloupe is among the French territories most exposed to climatic challenges: intense solar radiation, extreme weather events, and energy supply constraints. For a social landlord operating on this scale, modernizing its portfolio is no longer just a question of performance: it is a direct response to the energy vulnerability of households and the energy sovereignty of the territory. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The work envisioned as part of this cooperation may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>energy audits and property diagnostics;<\/li>\n\n\n\n<li>deployment of photovoltaic and self-consumption solutions (PUR-SUN range);<\/li>\n\n\n\n<li>securing electrical installations;<\/li>\n\n\n\n<li>energy management systems;<\/li>\n\n\n\n<li>charging infrastructure for electric vehicles (IRVE) via the PUR-ELEC solution;<\/li>\n\n\n\n<li>any solution contributing to the sustainable improvement of property performance.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n<h2 class=\"wp-block-heading p1\"><strong><mark class=\"altens-highlight\">Altens&#8217; Role<\/mark>: Financing, Engineering, and Project Management<\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">Within this partnership, Altens brings its expertise in low-carbon energy solutions, <b>third-party investment<\/b> mechanisms, and the monetization of <b>Energy Savings Certificates (CEE)<\/b>. This positioning allows SIG to undertake large-scale projects without burdening its initial financing plan. <\/p>\n\n<p class=\"p1 wp-block-paragraph\">This continuum from diagnosis to post-work monitoring constitutes Altens&#8217; operational signature: an integrated approach that secures the actual performance of operations, and not just their initial promises.<\/p>\n\n<section class=\"wp-block-group article-quote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__blockquote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__icon wp-block-paragraph\">\u201c<\/p>\n\n\n\n<p class=\"article-quote__text wp-block-paragraph\">Our goal is to support SIG in the renovation of its real estate portfolio by finding financing for decarbonization and rehabilitation work. This will directly reduce residents&#8217; energy bills. We rely on the Axelia design office to diagnose current issues and propose concrete solutions to improve the quality of life for tenants. Our role extends from initial diagnosis to project completion, including on-site monitoring by our local teams who ensure compliance with best practices. Finally, we finance these projects and manage the results to guarantee that the announced energy savings are indeed real.    <\/p>\n\n\n\n<div class=\"wp-block-group article-quote__footer\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__author wp-block-paragraph\">Mohamed Bennama<\/p>\n\n\n\n<p class=\"article-quote__position wp-block-paragraph\">President of Altens<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This continuum from diagnosis to post-work monitoring constitutes Altens&#8217; operational signature: an integrated approach that secures the actual performance of operations, and not just their initial promises.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n<h2 class=\"wp-block-heading p1\"><strong>A <mark class=\"altens-highlight\">Progressive and Concerted<\/mark> Approach<\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">The commitment protocol is based on a realistic approach, adapted to the operational constraints of the territory. It will rely on: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><b>study and analysis phases<\/b> prior to any operation;<\/li>\n\n\n\n<li><b>technical audits<\/b> of the buildings concerned;<\/li>\n\n\n\n<li><b>financial scenarios<\/b> jointly validated;<\/li>\n\n\n\n<li><b>coordinated governance<\/b> among the three stakeholders.<\/li>\n<\/ul>\n\n<p class=\"p3 wp-block-paragraph\">Operations undertaken following this preparatory work will remain subject to SIG&#8217;s internal validations, applicable regulations, and current administrative procedures. This method guarantees the legal and financial robustness of each project. <\/p>\n\n<p class=\"p3 wp-block-paragraph\"><b>Boost Innovative<\/b> acts as an <b>Assistant to the Contracting Authority (AMO)<\/b>. The organization, led by Marcelle Akoa, ensures strategic and operational coordination, support for preparatory work, and the structuring of the different project phases. <\/p>\n\n<section class=\"wp-block-group article-quote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__blockquote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__icon wp-block-paragraph\">\u201c<\/p>\n\n\n\n<p class=\"article-quote__text wp-block-paragraph\">The objective of this partnership is to structure a progressive, coherent, and operational approach to support reflections related to the energy modernization of the portfolio, in a logic of general interest and sustainable territorial development. <\/p>\n\n\n\n<div class=\"wp-block-group article-quote__footer\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__author wp-block-paragraph\">Marcelle Akoa<\/p>\n\n\n\n<p class=\"article-quote__position wp-block-paragraph\">CEO of Boost Innovative<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n<h2 class=\"wp-block-heading p1\"><strong>A Desired <mark class=\"altens-highlight\">Social and Economic Impact<\/mark> on the Territory<\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">Beyond energy and heritage issues, this initiative aims to generate a positive impact on the local economy. The stakeholders have included in the protocol their willingness to <b>favor the use of local structures<\/b> for audits, work, and associated services, whenever possible. <\/p>\n\n<p class=\"p3 wp-block-paragraph\">The project may also contribute to the <b>training<\/b>, <b>skill development<\/b>, and <b>professional integration of people far from employment<\/b>, in line with identified operational needs and local actors. An CSR dimension that extends SIG&#8217;s commitment as a public interest operator, and that of Altens, certified <b>EcoVadis Gold 2026<\/b> (Top 5% worldwide). <\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"p1 wp-block-paragraph\">\u201cWe only have one planet, and it is fragile. We must preserve it. Just as we must protect our Islands, which have been facing major ecological and climatic challenges for several years now. As the leading landlord in the territory, SIG had to commit strongly and sustainably to a decarbonization and energy efficiency approach.\u201d<\/p>\n\n\n\n<p class=\"p1 wp-block-paragraph\"><b>Olivier Bajard<\/b>, CEO of SIG<\/p>\n<\/blockquote>\n\n<p class=\"wp-block-paragraph\">\u00a0<\/p>\n\n<h2 class=\"wp-block-heading p1\"><strong><mark class=\"altens-highlight\">Why This Partnership Matters<\/mark> for Energy Transition in the Overseas Territories<\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">This protocol illustrates a fundamental dynamic: <b>overseas social housing<\/b> is becoming a priority area for France&#8217;s energy transition. With more than <b>560,000 housing units managed by CDC Habitat<\/b> across the entire territory (mainland France and Overseas Territories), public landlords have considerable leverage to decarbonize the residential sector and improve household purchasing power. <\/p>\n\n<p class=\"p3 wp-block-paragraph\">For Altens, this partnership confirms the extension of its scope beyond road freight transport, towards <b>local authorities<\/b>, <b>social landlords<\/b>, and <b>public operators<\/b> facing decarbonization obligations and significant budgetary constraints. An end-to-end approach, from CEE financing to operational implementation, which aligns with Altens&#8217; mission: to accelerate the energy transition by removing economic and technical barriers. <\/p>\n\n<section class=\"wp-block-group article-quote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-quote__blockquote\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__icon wp-block-paragraph\">\u201c<\/p>\n\n\n\n<p class=\"article-quote__text wp-block-paragraph\">We only have one planet, and it is fragile. We must preserve it. Just as we must protect our Islands, which have been facing major ecological and climatic challenges for several years now. As the leading landlord in the territory, SIG had to commit strongly and sustainably to a decarbonization and energy efficiency approach.   <\/p>\n\n\n\n<div class=\"wp-block-group article-quote__footer\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"article-quote__author wp-block-paragraph\">Olivier Bajard<\/p>\n\n\n\n<p class=\"article-quote__position wp-block-paragraph\">CEO of SIG<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n<section class=\"wp-block-group article-partners\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-partners__container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading article-partners__title\">About the <mark>Partners<\/mark><\/h2>\n\n\n\n<div class=\"wp-block-group article-partners__list\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group article-partners__item is-nowrap is-layout-flex wp-container-core-group-is-layout-e148e5c0 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"196\" height=\"196\" src=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/SIG-guadeloupe.png\" alt=\"\" class=\"wp-image-10050\" srcset=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/SIG-guadeloupe.png 196w, https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/SIG-guadeloupe-150x150.png 150w\" sizes=\"auto, (max-width: 196px) 100vw, 196px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group article-partners__content\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading article-partners__name\"><a href=\"https:\/\/www.sig-guadeloupe.fr\/\" target=\"_blank\" rel=\"noopener\">SIG \u2013 Soci\u00e9t\u00e9 Immobili\u00e8re de la Guadeloupe<\/a><\/h3>\n\n\n\n<p class=\"article-partners__description wp-block-paragraph\">SIG remains the leading social landlord in Guadeloupe, with a portfolio of 19,600 rental, homeownership, intermediate, and commercial properties, distributed throughout the department and its nearby islands. A subsidiary of the CDC Habitat group, it supports housing policies, urban renovation, and the improvement of living environments across the Guadeloupean territory. <\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group article-partners__item is-nowrap is-layout-flex wp-container-core-group-is-layout-e148e5c0 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/altens.fr\/wp-content\/uploads\/2026\/06\/Altens-Logo_H-Couleurs.svg\" alt=\"\" class=\"wp-image-10051\"\/><\/figure>\n\n\n\n<div class=\"wp-block-group article-partners__content\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading article-partners__name\"><strong>Altens<\/strong><\/h3>\n\n\n\n<p class=\"article-partners__description wp-block-paragraph\">Altens supports players in transport, industry, local authorities, and now social landlords in their energy transition. A multi-energy independent provider (B100, HVO100, BioGNV, IRVE, photovoltaic, biomass), Altens covers the entire chain: audit, financing (CEE, third-party investment), implementation, and monitoring. Certified ISCC, ISO 9001, and EcoVadis Gold 2026.  <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Boost Innovative<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Boost Innovative acts as an Assistant to the Contracting Authority (AMO) on modernization projects and the structuring of public-private partnerships with significant territorial impact.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n<h2 class=\"wp-block-heading p1\"><strong>Are you a <mark class=\"altens-highlight\">social landlord, local authority<\/mark>, or <mark class=\"altens-highlight\">public operator?<\/mark><\/strong><\/h2>\n\n<p class=\"p3 wp-block-paragraph\">Altens supports public and parapublic organizations in their decarbonization strategy: energy audit, CEE setup, third-party investment, photovoltaic deployment (<a href=\"https:\/\/altens.fr\/produits\/pur-sun\/\" target=\"_blank\" rel=\"noopener\">PUR-SUN<\/a>), electric charging (<a href=\"https:\/\/altens.fr\/produits\/pur-elec\/\" target=\"_blank\" rel=\"noopener\">PUR-ELEC<\/a>). Our integrated approach secures your actual performance, from study to on-site monitoring. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>On May 19, 2026, in Les Abymes, the Soci\u00e9t\u00e9 Immobili\u00e8re de la Guadeloupe (SIG), Altens, and Boost Innovative signed a structuring commitment protocol. Objective: to support the energy modernization of nearly 19,600 social housing units across the Guadeloupean archipelago. <\/p>\n","protected":false},"author":1,"featured_media":14348,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-14346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects-achievements"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Altens x SIG x Boost: Energy Renovation in Guadeloupe<\/title>\n<meta name=\"description\" content=\"Altens, SIG, and Boost Innovative commit to the energy modernization of 19,600 social housing units in Guadeloupe by 2028. 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