Environment & Sustainability Tenders in Belgium

Discover procurement opportunities and grant funding for sustainability, climate and environment. Renewable energy, water and sanitation, waste management, climate adaptation, biodiversity and nature-based solutions — curated for green contractors, climate consultancies, ESG-focused firms and environmental NGOs.

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open in Belgium

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Who this is for

Renewable energy EPCs, water engineering firms, climate advisory, carbon verification bodies, environmental NGOs, ESG consultancies.

Top funders

Green Climate Fund

The largest dedicated climate finance pool, funding mitigation and adaptation projects in developing countries.

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World Bank

Climate Change Action Plan, PROBLUE, energy transition and water global practice lending.

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GEF

Global Environment Facility — biodiversity, climate change, chemicals and waste.

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EU Green Deal

Horizon Europe, Innovation Fund, Modernisation Fund and the Circular Economy Action Plan.

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AfDB

African Development Bank — Sustainable Energy Fund for Africa, Desert to Power, African Water Facility.

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USAID

Climate and water security programming, resilience funding.

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Environment & Sustainability opportunities in Belgium

In this sector
All Waste & Recycling Environmental Assessment & Management Pollution & Remediation Climate & Decarbonisation Conservation & Biodiversity
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All countries Poland 2,758 Ukraine 2,486 Germany 1,937 France 982 Philippines 766 Spain 421 United Kingdom 417 Netherlands 319 United States 287 Italy 270 Canada 255 Belgium 248 Sweden 176 Romania 176 Czechia 166 Norway 132 Ireland 126 Portugal 87 Australia 80 Brazil 75 Finland 72 Switzerland 69 South Africa 66 Denmark 64 New Zealand 32 Colombia 27 Pakistan 22 Tanzania 21 India 18 Uganda 17 Kenya 16 United Arab Emirates 9 Nigeria 5

A selection of recent tenders and grants. Register for free to see all environment & sustainability opportunities.

Tenders
NewFourniture de carburants pour la commune et le CPAS de Bertrix en 2027Commune de BertrixBECloses 30 Nov 2026NewDésignation d'un bureau de contrôle pour une mission de contrôle technique portant sur le gros-oeuvre fermé et la sécurité incendieUniversité Libre de BruxellesBE787971-2026Closes 11 Dec 2026NewB703a/b/f RenovationBrussels Airport Company nvBE787318-2026Closes 14 Dec 2026NewOnderhoud en snoeien openbaar groen in 2027 en 2028HoogstratenBE786782-2026Closes 17 Dec 2026Schoonmaken lommelse katholieke basisscholenLommelse Katholieke BasisscholenBE785680-2026Closes 16 Nov 2026Services de nettoyage des locaux du Circuit de Spa-FrancorchampsLe Circuit de Spa-FrancorchampsBE785271-2026Closes 16 Nov 2026Update van de bouwcatalogus veranderingsgericht bouwenOpenbare Vlaamse AfvalstoffenmaatschappijBE17498_UitnodigingCloses 3 Dec 2026Marché d'entretien sanitaire et de nettoyage des vitres et châssis de 6 bâtiments dans les arrondissements de Liège et de HuyService public de wallonieBE2026-S2130200-008_pub01Closes 11 Jan 2027Levering van warmte via warmtenet (verwarming en sanitair water) voor de nieuwe gevangenis van AntwerpenFOD JustitieBECloses 26 Nov 2026Completion and development of Environmental Footprint DatasetsEuropean Commission, DG ENV - EnvironmentBE782325-2026Closes 4 Jan 2027€2.7MContent support to the Forest Information System for Europe (FISE) and forest assessments with respect to support to forest-related EU policiesEuropean Commission, DG ENV - EnvironmentBE782284-2026Closes 5 Jan 2027€300KUitbesteding schoonmaak lokaal bestuur KontichGemeente KontichBE782095-2026Closes 23 Nov 2026Raamovereenkomst voor ecologische monitoringAntwerpenBE782152-2026Closes 16 Nov 2026Bail de Brossage et de Curage routier - MI0631 District routier d’OttigniesSOFICOBE781822-2026Closes 23 Nov 2026Accord-cadre de fournitures relatif à l’approvisionnement en lubrifiants, détergents et produits divers durables pour véhicules, engins motorisés et machines-outilsService public de wallonieBE781180-2026Closes 8 Dec 2026€4.2MWWV/OND/D312/2026/1_ Groen- en netheidsonderhoud in het district D312 Kortrijk - gewestwegenVlaamse OverheidBE780522-2026Closes 26 Nov 2026marché de services ayant pour objet le nettoyage de bâtiments dans une approche de développement durable et dans une perspective d’insertion et de formation socio-professionnellesCommission communautaire françaiseBE780349-2026Closes 14 Dec 2026Raamovereenkomst voor de schoonmaak van gemeenschappelijke delen en kantoorgebouw woonmaatschappij Providentia bvWoonmaatschappij Providentia bvBE780130-2026Closes 3 Dec 2026Assistance mechanism on Maritime Spatial Planning (MSP)European Climate, Infrastructure and Environment Executive Agency (CINEA), CINEA - European Climate, Infrastructure and Environment Executive AgencyBE779622-2026Closes 18 Jan 2027€3.6MRaamovereenkomst voor houtpelletsBrandweer Zone AntwerpenBECloses 13 Jan 2027Overheidsopdracht van diensten met als voorwerp de ontvangst, opslag, overslag, vervoer per schip alsook de recyclage van het wit en gekleurd verpakkinglas afkomstig van de selectieve ophalingen door Net Brussel in het Brussels Hoofdstedelijk gewestGewestelijk agentschap voor netheid - Net BrusselBE26/2895_pub01Closes 30 Nov 2026Raamovereenkomst voor het onderhoud van bushaltes via sociale tewerkstellingStad HasseltBECloses 4 Dec 2026UItvoeren labo-analyses water van peilputten en diverse afvalwatersIOK AfvalbeheerBE778422-2026Closes 8 Dec 2026Raamovereenkomst voor de levering van 18F-FDGAZ Groeninge vzwBE776078-2026Closes 8 Dec 2026Services de nettoyage des locaux du Circuit de Spa-FrancorchampsLe Circuit de Spa-FrancorchampsBE775697-2026Closes 16 Nov 2026
Grants
STIPP Call 3 is now open – funding cross-border innovation in the Meuse-Rhine regionInterreg VI-A Maas-Rijn/Meuse-Rhin/Maas-Rhein (Netherlands-Belgium-Germany)EU1452021TC16RFCB001OpenBürgerfonds Ostbelgien - Projektantrag 2026 D „Gemeinsam mehr bewegen“Fondation Roi Baudouin / Koning BoudewijnstichtingBECloses 19 Nov 2026€5KFunctional room TNT Chiers and AlzetteInterreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1342021TC16RFCB040Closes 30 Dec 2026Functional space Mëllerdall-Our-South EifelInterreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1352021TC16RFCB040Closes 31 Dec 2026Functional area Luxembourg-Wallonia SouthInterreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1372021TC16RFCB040Closes 31 Dec 2026Functional area Luxembourg-Wallonia NorthInterreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1362021TC16RFCB040Closes 31 Dec 2026Functional Space Development Concept Upper Moselle Valley (EOM)Interreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1382021TC16RFCB040Closes 31 Dec 2026Applied research focusing on Health and Environment Interactions - Orcadia FundFondation Roi Baudouin / Koning BoudewijnstichtingBECloses 7 Jan 2027€100KFunctional area Eifel-Ostbelgien-ÉislekInterreg VI-A France-Belgium-Germany-Luxembourg (Grande Région/Großregion)EU1392021TC16RFCB040Closes 29 Jan 2027Fonds Duurzaam Materialen- en Energiebeheer: oproep projecten met regionale focus - 2026-2027Fondation Roi Baudouin / Koning BoudewijnstichtingBECloses 23 Feb 2027€40K

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Questions

Who buys green tenders?

State utilities, national energy and water regulators, multilateral development banks, climate funds, and municipalities. Increasingly, private off-takers procure via public PPA frameworks.

How do grants differ from tenders in this space?

Grants typically fund feasibility, pilots, capacity building and TA — issued by climate funds, bilateral agencies and foundations. Tenders fund construction, equipment supply and O&M.

What compliance do green tenders require?

IFC Performance Standards, environmental and social safeguards, increasingly EU Taxonomy alignment for European-funded work, and local-content commitments.

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