Climate & Sustainability Tenders
Browse 1,994 live sustainability tenders and public contracts from government buyers, development banks, UN agencies and municipalities, classified against a curated sustainability taxonomy and refreshed daily. Looking for grants instead? Browse climate and sustainability grants.
Latest live tenders
Supply, transport, installation, configuration, legalization, commissioning, warranty and three-year management of sustainable cycle-tourism mobility system
Municipality· ES
This tender procures a complete sustainable cycle-tourism mobility system for a Spanish municipality, including supply, transport, installation, configuration, legalization, commissioning, warranty, and three-year management. Bidders should be systems integrators or mobility service providers with experience in sustainable transport infrastructure and multi-year operational management.
Modular CHP units (two sets), Zhytomyr District Heating
organisation· UA
Procurement of two modular combined heat and power (CHP) units for district heating in Zhytomyr, Ukraine. Bidders should have experience in thermal energy generation equipment, CHP system design, and district heating infrastructure deployment.
Sludge disposal for decentralized wastewater treatment plants
organisation· DE
This tender procures sludge disposal services for decentralized wastewater treatment plants operated by a German water utility. Bidders should be waste management or environmental services companies with experience in sludge handling and disposal compliance.
Environmental License Extraction for Seawater Desalination Unit in Amlaj
organisation· SA
This tender seeks to obtain an environmental license for a seawater desalination unit in Amlaj, Saudi Arabia, operated by a Saudi water authority. Bidders should be environmental consultancy firms or licensing specialists with experience in Saudi environmental permitting and desalination facility compliance.
Supply and Delivery of Mechanical and Electrical Water Treatment Equipment for Hwiwa WTP in Anbar-LIRA III
organisation· IQ
This tender procures mechanical and electrical water treatment equipment for a water treatment plant (WTP) in Anbar, Iraq, as part of LIRA III infrastructure development. Bidders should be equipment manufacturers or suppliers with proven experience in water treatment systems and international contract delivery.
Street lighting Bremerhaven – operation and maintenance 10+4 years
Municipality· DE
This tender procures operation and maintenance of street lighting infrastructure in Bremerhaven port area for 10+4 years, with explicit goals of energy efficiency, cost-effectiveness, and environmental compliance. Bidders should be experienced lighting service providers capable of managing large-scale municipal infrastructure with sustainability and safety focus.
Punjab Water - Legal Consultant
Bank· PK
A multilateral development lender seeks a legal consultant to support Punjab's water supply and sanitation infrastructure development across 16 secondary cities, addressing child stunting through improved WASH services and potential PPP frameworks. Bidders should have expertise in water-sector law, infrastructure PPPs, and Pakistan regulatory environment.
Biennial Operation and Maintenance of 1089kWp Grid Connected Rooftop Solar Photovoltaic Power Plant on Different Buildings at Bandel Thermal Power Station
organisation· IN
This tender procures biennial operation and maintenance services for a 1089 kWp grid-connected rooftop solar photovoltaic power plant at Bandel Thermal Power Station in West Bengal, India. Bidders should have demonstrated expertise in solar PV system O&M, electrical safety compliance, and experience managing utility-scale renewable energy assets.
RFP for empanelment of PMC for Transmission Infrastructure of Renewable Energy Projects in Madhya Pradesh
organisation· IN
This RFP seeks empanelment of Project Management Consultants (PMC) to oversee transmission infrastructure development for renewable energy projects in Madhya Pradesh, India. Qualified consulting firms with experience in solar/renewable energy transmission systems, project management, and Indian infrastructure standards are the target bidders.
MTF Energy Survey in Zimbabwe
Bank· ZW
A survey is being conducted on Multi-Tier Framework energy access in Zimbabwe to measure household, community, and enterprise energy access across multiple dimensions and establish baseline data for universal energy access progress. Qualified bidders should have expertise in energy surveys, data collection methodology, energy access assessment frameworks, and experience in sub-Saharan Africa.
Development & Piloting of a South Africa Sustainable Agriculture Finance Framework & Toolkit
Bank· ZA
Development and piloting of a Sustainable Agriculture Finance Framework and Toolkit for South Africa to align agricultural sustainability practices with banking sector ESG and climate-risk criteria. Bidders should have expertise in agricultural finance, sustainability standards development, climate-risk integration, and stakeholder engagement across farming and banking sectors.
Purchase and retirement of emissions reduction credits Article 6.4 climate projects
organisation· DE
A German development agency seeks to purchase and retire up to 228,889 emissions reduction credits from Article 6.4 Paris Agreement climate projects for corporate greenhouse gas offsetting. Bidders must be qualified carbon-credit project developers or brokers with verified Article 6.4 projects meeting stringent climate criteria.
Supply of laboratory consumables for Operationalisation of the Oyo Centre of Excellence for Renewable Energy and Energy Efficiency in the Republic of the Congo (SAP ID: 190379)
organisation· CG
A UN agency seeks laboratory consumables for a renewable energy and energy efficiency centre of excellence in the Republic of the Congo. Bidders should be suppliers of lab equipment and consumables with experience serving research institutions in sub-Saharan Africa.
Develop a National Market and Refrigerant Use Characterization, a Market and Legal Barriers Assessment, and a Regulatory Framework for Low-GWP RACHP Technologies and Hydrocarbon (HC) Refrigerant Supply in Chile
organisation· CL
A UN industrial development agency seeks consultants to characterize Chile's refrigeration and air-conditioning market, assess legal barriers to low-GWP and hydrocarbon refrigerants, and develop a regulatory framework for climate-friendly cooling technologies. Bidders should have expertise in F-gas regulation, refrigerant markets, policy analysis, and Latin American energy/environmental law.
National Climate Finance Consultant – EU-SRBC FCCB Accelerator Project
organisation· PG
A development organisation seeks a National Climate Finance Consultant to support the EU-SRBC FCCB Accelerator Project in Papua New Guinea, focusing on climate finance mechanisms and project acceleration. The role suits climate finance specialists, development consultants, and sustainability professionals with experience in multilateral climate funding and Pacific island contexts.
National Blue Carbon Strategy Consultant – EU-SRBC FCCB Accelerator Project
organisation· PG
A development agency seeks a consultant to develop a National Blue Carbon Strategy for Papua New Guinea under the EU-SRBC FCCB Accelerator, focusing on coastal and marine carbon sequestration pathways. Bidders should have expertise in blue carbon science, climate policy, and sustainable ocean economy frameworks.
Refuse disposal and treatment – Transshipment & processing of old paper and cardboard
organisation· NL
This tender procures the transshipment, transport, and processing of approximately 45,000 tonnes of old paper and cardboard annually. Bidders should be waste-management and recycling operators with capacity to handle large-volume paper/cardboard streams and established processing infrastructure.
Refuse collection and waste management services in Poland
organisation· PL
This tender procures refuse collection and waste management services for residential properties and a selective waste collection point in Poland, including segregated and mixed waste streams plus hazardous waste (expired medicines, batteries). Bidders must be waste-management operators with local collection capacity and disposal/treatment infrastructure.
Hazardous waste removal and recovery – Wałdowo property, 157 tonnes
organisation· PL
This tender procures removal and final recovery or disposal of approximately 157 tonnes of illegally stockpiled hazardous waste from a property in Poland. Qualified waste management and hazardous-materials remediation contractors with proper licensing and EU waste-handling certification can bid.
Engineering services – safety direction and coordination for hydrogeological risk mitigation works, BIM applied
organisation· IT
This tender procures engineering services for safety coordination and direction during hydrogeological risk mitigation and stabilization works in an Italian region, using BIM methodology. Bidders should be qualified civil/hydrogeological engineers with safety management and BIM expertise.
Skills Needs, Curriculum Development & Training for Solar-Powered Cold Storage
organisation· KE
A development agency is procuring curriculum development, skills training, and needs assessment for solar-powered cold storage systems in Kenya, targeting renewable energy and food-systems decarbonization. Bidders should have expertise in solar technology, cold-chain logistics, vocational training design, and African market knowledge.
Supply & Installation of Hybrid Solar Power Systems and Miscellaneous Equipment
organisation· UZ
Procurement of hybrid solar power systems and associated equipment for installation, likely in Uzbekistan as part of renewable energy deployment. Bidders should have solar PV system design, supply, and installation expertise, ideally with experience in hybrid systems and development contexts.
Terminal Evaluation of the Project on Scaling Solar Applications in West Africa.
organisation· IN
This is a terminal evaluation service for a solar energy scaling project in West Africa, seeking an independent evaluator to assess project outcomes and impact. The successful bidder should have expertise in renewable energy project evaluation, development impact assessment, and West African energy contexts.
International Consultant for Climate Impact and Fiscal Policy Evaluation
organisation· TG
An international development agency seeks an international consultant to evaluate climate impact and fiscal policy linkages, likely in Togo. The role suits climate economists, policy analysts, or sustainability consultants with expertise in climate finance and tax policy integration.
International Consultant: Climate Risk Evaluation and Macro-Budgetary Adaptation for Togo
organisation· TG
A development agency seeks an international consultant to evaluate climate risks and design macro-budgetary adaptation strategies for Togo. Bidders should have expertise in climate-risk assessment, fiscal policy, and adaptation planning in developing economies.
International Consultant for Climate Capacity and Risk Diagnostic
organisation· TG
An international development agency seeks an international consultant to conduct a climate risk and capacity diagnostic for Togo, assessing institutional and environmental vulnerabilities. Bidders should have expertise in climate adaptation, risk assessment, and development programming in West Africa.
Construction Sector expert for Carbon Market (National Consultant)
organisation· MN
A development agency seeks a national construction sector expert to advise on carbon market mechanisms and emissions reduction in Mongolia's built environment. The role suits consultants with expertise in construction decarbonization, carbon accounting, and climate policy implementation.
LBN-CO-ITB-208-26 Supply, Delivery, and Installation of Solar Street Lighting
organisation· LB
A UN development agency is procuring supply, delivery, and installation of solar street lighting systems for deployment in Lebanon. Bidders should be manufacturers, distributors, or systems integrators with proven experience in solar lighting infrastructure and installation capabilities.
Caribbean, Investment-grade Audits and Detailed Design of Energy Efficiency Measurements (EEM) and Distributed Photovoltaic (DPV) Systems in Public Buildings and Facilities in Grenada, Saint Lucia and Saint Vincent and the Grenadines
Commission
This tender procures investment-grade energy audits and detailed design services for energy-efficiency measures and distributed solar photovoltaic systems across public buildings in three Caribbean nations. Bidders should be engineering/consulting firms with expertise in building energy audits, renewable energy design, and Caribbean climate/infrastructure context.
Request for Proposal – CETR SCADA Equipment from a Canadian utility
organisation· CA
A Canadian utility seeks SCADA equipment and substation automation infrastructure upgrades for current and future builds, including life-cycle replacements. Bidders should be equipment manufacturers or systems integrators specializing in electrical grid modernization and substation control systems.
Chemical works waste site groundwater surface water monitoring
organisation· CZ
Long-term monitoring of groundwater and surface water quality at a chemical/oil refinery waste site in the Czech Republic, including sampling, analysis, and environmental assessment reporting. Bidders must have environmental monitoring expertise, hydrogeological survey capability, and experience with contaminated-site assessment under local environmental authority oversight.
Refuse collection, transport and waste management services
organisation· PL
This tender procures refuse collection, transport, and waste management services for mixed and selectively collected municipal waste across a Polish municipality serving ~5,445 residents and 1,709 single-family properties. Bidders must be licensed waste-management operators with documented capacity to meet EU recycling targets and selective-collection protocols.
Refuse and waste collection and transport services, selective waste bags 2027–2029
organisation· PL
This tender procures municipal waste collection, transport, and selective waste-collection bags for a Polish municipality, 2027–2029. Bidders should be waste-management operators with local logistics capacity and experience in municipal refuse services.
Planting and maintenance services of green areas – two years with renewal option
organisation· IT
Open tender for planting and maintenance services of public green areas in Dorgali municipality for two years with optional one-year renewal. Bidders should be landscape/horticulture contractors with experience in public green space management and biodiversity-focused maintenance.
Refuse collection and waste management services 2027–2028
organisation· PL
This tender procures municipal waste collection, sorting, and disposal services for residential properties in Poland for 2027–2028. Bidders must be waste-management operators with capacity for mixed and selective collection, container maintenance, and compliant waste treatment.
Radio transmission apparatus with reception apparatus – warning information system
organisation· CZ
Procurement of an integrated warning and information system for a municipality, including radio transmission apparatus, electronic sirens, control station, and 24-month warranty support, funded under EU flood-prevention programme. Bidders should have expertise in emergency alert systems, radio infrastructure, and civil protection technology.
Engineering design services – technical equipment planning for Remmesweiler wastewater treatment plant conversion
organisation· DE
Engineering design services for technical equipment in the conversion of a pond treatment plant to a mechanical wastewater treatment facility with nutrient removal. Bidders must be specialized engineering design firms with HOAI certification and wastewater treatment infrastructure expertise.
Extension of Wädenswil-Rietliau wastewater treatment plant
Municipality· CH
Extension and upgrade of the Wädenswil-Rietliau wastewater treatment plant to increase capacity and improve treatment efficiency. Bidders should have expertise in civil engineering, wastewater infrastructure design, and environmental compliance for municipal water treatment projects.
GB-Cromer: Strategic Environmental Assessment (SEA) Services to support preparation of Local Plan
Council
A local authority seeks qualified consultants to deliver Strategic Environmental Assessment (SEA) services supporting preparation of a new Local Plan, including scoping reports, environmental reports, and ongoing advisory support. Bidders should be environmental consultancies or planning specialists with SEA expertise and experience in UK local plan processes.
Planting and maintenance services of green areas and street trees in a Spanish city
Municipality· ES
This tender procures integrated management and maintenance of public green spaces, street trees, and children's play areas in Spain, including planting, upkeep, and land clearance. Bidders should be landscape management, horticulture, or environmental services firms with municipal-scale operational capacity.
Forestry services – Nature conservation services
organisation· SE
A Swedish municipality procures forestry and nature conservation services including tree felling and clearing in forests, pastures, and grasslands within nature reserves and residential areas. Bidders should be forestry contractors or environmental management firms with experience in habitat conservation and public-safety-conscious land stewardship.
Flood and ice defence services for Biđ-Bosut small watershed protected area
organisation· HR
This tender procures preventive, routine, and emergency flood and ice defence services for a protected watershed area in Croatia. Bidders should be specialized in water hazard management, flood mitigation infrastructure, and emergency response operations.
Engineering services – Water specialists
organisation· CH
A Swiss canton seeks engineering services from qualified water specialists to support implementation of a programme that enhances ecological biodiversity and ecosystem health in streams and ponds through nature-based design and management. Bidders must be environmental engineering consultants or ecological specialists with expertise in freshwater habitat restoration, project management, and stakeholder coordination.
Purchase of electricity from renewable sources for a Polish municipality, 12 months 2027
organisation· PL
Procurement of electricity from renewable sources for a Polish municipality and its organizational units for 12 months (2027). Bidders must be energy suppliers capable of delivering renewable electricity, managing supplier-switching procedures, and providing energy-origin guarantees.
Scientific support for electrolyzer promotion programme in Baden-Württemberg
Ministry· DE
Scientific accompaniment and networking coordination for a German state electrolyzer subsidy programme, including project coordination, stakeholder exchange facilitation, and digital platform provision. Bidders should have expertise in hydrogen/electrolysis project management, stakeholder engagement, and digital collaboration infrastructure.
Non-hazardous waste collection, transport, processing services – preRDF production
organisation· PL
Procurement of waste collection, transport, and processing services for pre-sorted municipal waste (ex 19 12 12 fraction) to produce alternative fuel (preRDF) at a mechanical treatment facility. Bidders must operate or partner with waste-processing infrastructure capable of handling 20–50 Mg/day of mixed waste streams and producing specification-compliant refuse-derived fuel.
Waste paper transfer station operation – the district
organisation· DE
Procurement for operation of a waste paper collection and transfer station in the district, Germany, including receipt, weighing, and loading of old paper for recycling. Bidders must be waste management operators capable of running a transfer facility with logistics and weighing infrastructure.
Environmental consultancy services for abandoned waste reduction plan management
organisation· FR
This tender procures consulting and management support services for an abandoned waste reduction plan in Guadeloupe, focusing on environmental compliance and waste management strategy. Bidders should have expertise in waste management, environmental policy, and project coordination in French Caribbean contexts.