Closed tenders — page 76
Procurement notices that have closed in the last 12 months. Each keeps its contracting authority, estimated value and original closing date, so you can see which buyers tender repeatedly and on what cycle. Closed notices drop out of this archive after a year. 7,245 in the archive across 151 pages. Browse live tenders instead.
Knowledge compilation on emission reduction from land-based aquaculture facilities
organisation· NO
This tender seeks knowledge compilation on emission-reduction technologies and costs for land-based aquaculture facilities to inform future regulatory standards. Bidders should have expertise in aquaculture engineering, water treatment, environmental impact assessment, and cost-benefit analysis.
Engineering design services for mechanical and electrical building installations
Municipality· DE
Procurement of engineering design services for mechanical, electrical, and heating/cooling (HVAC) systems in buildings under German HOAI standards, phases 1–9. Bidders must be qualified engineering design firms with expertise in building systems integration and German regulatory compliance.
Engineering design services – Planning for an advanced purification stage of a German municipal wastewater treatment facility
organisation· DE
Engineering design services for a wastewater treatment plant's fourth purification stage in Germany, including structural planning, building design, technical systems, and load-bearing design. Bidders should be engineering firms with expertise in water infrastructure, civil engineering, and treatment plant design.
Consulting services for water-supply and waste consultancy – Consultancy services for the development of a treatment plant and minor measures at a central facility (second notice).
organisation· NO
A Norwegian municipality seeks detailed engineering design consultancy for water treatment facility development and assessment work at a central treatment facility. Bidders should be water/wastewater engineering consultancies with experience in treatment plant design and infrastructure optimization.
Mobile heating and ventilation solution for plastic halls using air-source heat pump technology in a Nordic region
organisation· NO
a Norwegian defence-infrastructure authority seeks a mobile heating and ventilation solution for plastic halls using air-source heat pump technology. Bidders should have expertise in heat pump systems, mobile HVAC solutions, and experience supplying to defence or industrial facilities.
Emergency Procurement 16/2026
organisation· UY
This is a procurement of chemical reagents for an environmental laboratory operated by a Uruguayan environmental authority. Bidders should be laboratory chemical suppliers or distributors with experience in environmental testing and analysis reagents.
Environmental Analytical and Regulatory Compliance Services
organisation· US
This tender procures environmental analytical services and regulatory compliance support for a US federal defense agency, likely covering environmental monitoring, permitting, and sustainability reporting. Bidders should have expertise in environmental science, regulatory frameworks, and analytical capabilities to support federal compliance obligations.
Consultancy Service to Conduct a National Study on Climate Security
organisation· SL
A UN development agency seeks a consultancy to conduct a national climate security study in Sierra Leone, examining intersections between climate change and security risks. Bidders should be research/consulting firms with expertise in climate adaptation, security analysis, and West African contexts.
Consulting services for wastewater treatment facility expansion and optimization (second call for proposals)
organisation· NO
A Norwegian municipality seeks consulting services for detailed design of wastewater treatment plant expansion and evaluation of polishing and equalization at the central treatment facility. Bidders should be engineering consultancies with wastewater treatment infrastructure and environmental engineering expertise.
Municipal waste collection and transport services procurement in a Lithuanian district municipality
organisation· LT
This tender procures refuse collection and transport services for municipal waste in a Lithuanian district. Bidders should be waste management operators with fleet capacity and disposal facility partnerships.
Competitive Procurement Process 31/2026
University· UY
This tender procures electronic components for practical coursework in agroambiental engineering and sustainable food production at a Uruguayan technical university. Bidders should be electronics component suppliers or distributors capable of serving educational institutions with lab equipment.
RFP for Climate Change Vulnerability and Adaptation Assessments and Development
organisation· IN
A UN development agency seeks consultants and firms to conduct climate change vulnerability and adaptation assessments in India, identifying climate risks and developing adaptation strategies for vulnerable communities and sectors. Bidders should have expertise in climate science, vulnerability analysis, adaptation planning, and stakeholder engagement in South Asian contexts.
Rapid Assessment of Circular Economy Opportunities in the Coffee Sector
organisation· MZ
a UN industrial-development agency seeks a rapid assessment of circular economy opportunities within Mozambique's coffee sector, identifying pathways for waste reduction, resource efficiency, and value-chain sustainability. Bidders should have expertise in circular-economy analysis, coffee-sector value chains, and sustainability consulting in African contexts.
Wastewater Treatment Facility Expansion and Upgrade Project
organisation· CA
A Canadian municipal water utility seeks market feedback on delivery and procurement models for a complex brownfield infrastructure initiative. Engineering firms, infrastructure consultants, and construction/design-build contractors with wastewater treatment expertise and brownfield remediation experience are the target respondents.
Engineering Services – Technical-Economic Feasibility Study and Geotechnical Investigations for Metropolitan Rail Infrastructure Link in Tuscany
organisation· IT
This tender procures a technical-economic feasibility study, geotechnical surveys, and laboratory investigations for a metropolitan rail infrastructure link between two municipalities in Tuscany. Bidders should be engineering consultancies with expertise in rail infrastructure design, geotechnical investigation, and feasibility assessment.
Municipal thermal installations operation and maintenance tender in France
Municipality· FR
This tender procures operation and maintenance of thermal installations (heating, hot water, ventilation, water treatment) across municipal buildings in a French commune. Bidders should be HVAC/building services operators with experience in municipal facility management and energy system optimization.
Mobile heating and ventilation solution for industrial facilities using liquid-based heat pump technology
organisation· NO
a Norwegian public infrastructure agency seeks a mobile heating and ventilation solution for plastic halls using liquid-based heat pump technology. Bidders should have expertise in heat pump systems, mobile HVAC solutions, and industrial climate control.
UK Local Authority Strategic Environmental Assessment
Council· GB
A UK local council seeks consultancy support to conduct a Strategic Environmental Assessment (SEA) for its Local Plan, producing comprehensive environmental reports and non-technical summaries. Bidders should be environmental consultancies or planning specialists with SEA expertise and experience writing accessible, Plain English policy documentation.
Design, Supply & Install Air Source Heat Pumps
University· GB
A UK higher-education institution seeks design and installation teams to deploy air source heat pumps across multiple campus buildings to improve energy efficiency and support net-zero decarbonisation. Bidders must be qualified in HVAC design, heat pump installation, and sustainable building retrofit with capacity to manage multi-site projects.
Architectural, construction, engineering and inspection services – Project management for implementing a German state's low-water action plan
Ministry· DE
Project management and coordination for implementing a European state's low-water action plan 2.0, including river basin stakeholder engagement, development of water management concepts, and qualification of water-retention projects. Bidders should have expertise in water resource management, stakeholder coordination, and environmental project development in European river basins.
UK Educational Institution ITT for Waste Management Services
organisation
A UK educational institution seeks a waste management services provider to handle collection, treatment, and disposal of institutional waste streams. Bidders should be established waste-management operators with experience in educational or institutional settings.
Request for Quotation (RFQ) for Design, Fabrication, Supply, Installation, Testing and Commissioning of two (02) Solar-Powered 20-Foot Containerized E-Waste Collection, Device Charging and Electronics
organisation· UG
an international development organization seeks design, fabrication, supply, installation, testing and commissioning of two solar-powered 20-foot containerized e-waste collection and device-charging units for deployment in Uganda. Bidders should have expertise in solar integration, containerized systems design, e-waste handling infrastructure, and field commissioning in developing-country contexts.
Aerial and related services – soil liming for a German water protection zone
organisation· DE
Procurement of aerial lime application (soil liming) services for a German water protection association's groundwater catchment area. Bidders must supply fertilizer-grade lime meeting German fertilizer regulations and RAL-GZ 545 heavy-metal limits.
Waste Authority Launches Household Reuse Campaign
Authority
A UK waste-management authority seeks a campaign-management organisation to deliver a multi-channel behavioural-change campaign promoting household waste reduction and reuse across a major metropolitan region. Bidders should have experience managing external suppliers, campaign delivery, and sustainability communications to residents.
Provision Of Environmental And Health And Safety Audit Services
organisation· KE
A Kenyan water utility is procuring environmental and health & safety audit services to assess compliance and operational risks. Bidders should be audit/consulting firms with EHS expertise and experience in water utility or public-sector environments.
Environmental Analytical and Regulatory Compliance Services
organisation· US
This tender procures environmental analytical services and regulatory compliance support, likely including air/water quality monitoring, emissions testing, or environmental impact assessments for a US federal defense facility. Bidders should have expertise in environmental sampling, lab analysis, regulatory reporting, and compliance documentation.
Refuse and waste related services in a Polish municipality
organisation· PL
Municipal waste collection and management services for residential, non-residential, and seasonal properties in a Polish municipality, including bulky-waste collection, selective waste point operation, container provision, and textile collection. Bidders must be waste-management operators with capacity to serve a full municipality across urban and rural areas.
Environmental Analytical and Regulatory Compliance Services
organisation· US
This tender procures environmental analytical services and regulatory compliance support for a US federal defense agency, likely covering environmental monitoring, permitting, and sustainability reporting. Bidders should have expertise in environmental science, regulatory frameworks, and analytical capabilities to support federal compliance obligations.
Plant engineering design services – Strategic partner for design, establishment, and operation of a biochar facility
organisation· SE
a Swedish housing cooperative seeks a strategic engineering partner for design, establishment, commissioning, and operation of a biomass pyrolysis biochar facility in Sweden with future expansion options. Bidders must have expertise in pyrolysis plant engineering, project management, and long-term operational support.
For the provision of services for the investigation and assessment of the capacity to connect rooftop solar power systems in industrial parks in Vietnam and the proposal of regulations on appropriate solar power development rates.
organisation· VN
A UN specialised agency seeks consultancy services to investigate rooftop solar capacity in Vietnamese industrial parks and propose regulatory frameworks for solar deployment. Bidders should have expertise in solar PV assessment, industrial energy systems, and renewable energy policy development.
Supply, installation, assembly and commissioning of a boiler for an athletics facility in Spain
Municipality· ES
Supply, installation, assembly and commissioning of a boiler for an athletics module of a sports complex in Spain. Bidders should be heating systems installers or HVAC contractors with experience in sports facility infrastructure.
Request for Quotation (RFQ) for design, supply, delivery, installation, testing and commissioning ten (10) complete mobile solar-powered irrigation pump systems
organisation· UG
A UN migration agency seeks design, supply, delivery, installation, testing and commissioning of ten mobile solar-powered irrigation pump systems for deployment in Uganda. Bidders should be equipment manufacturers or systems integrators with proven experience in solar-powered agricultural water solutions and ability to deliver complete turnkey systems.
Building condition assessment programme 2026-27
organisation· NO
a Norwegian municipality seeks a condition assessment of approximately 220 residential buildings (200,000 m²) using Norwegian building standards to identify maintenance backlogs and inform a 10-year maintenance plan. Bidders should be engineering consultants or building surveyors with expertise in condition assessment, building diagnostics, and Norwegian building classification standards.
Market assessment for energy districts and renewable energy-based energy districts in three Latin American and Caribbean countries
organisation· AR
A UN development agency seeks a service provider to conduct market assessments for energy districts and renewable energy-based energy districts across three Latin American and Caribbean countries, with regional policy recommendations. Bidders should have expertise in renewable energy market analysis, energy transition policy, and Latin American energy systems.
Solar Power Street Lighting Poles & Road Safety Enhancements in Lebanon
organisation· LB
A UN development agency is procuring solar-powered street lighting poles and road safety infrastructure enhancements in Lebanon, targeting renewable energy deployment and climate-resilient public infrastructure. Bidders should have experience in solar PV installation, street lighting systems, and road safety equipment supply/integration.
Rangeland Management Operational Implementation Tool Development
Ministry· CA
This notice seeks professional services to develop planning, process, and implementation tools for scaling targeted grazing as an operational management tool across British Columbia ranching and wildfire-risk sectors. Bidders should have expertise in rangeland management, grazing systems, cost-benefit analysis, and stakeholder engagement with agricultural and forestry agencies.
Refuse and waste collection and disposal services – municipal waste
organisation· PL
Municipal waste collection and disposal service for residential properties in Poland. Bidders must comply with Polish environmental regulations and can be SMEs or larger waste-management operators with proper licensing.
Nationwide Biodiversity Map, Measure and Score Project
organisation· IE
This tender procures a nationwide habitat classification, mapping, and scoring project across a European public-transport authority's landholdings using AI-enabled algorithms and orthophotography data. Bidders should have expertise in ecological surveying, geospatial analysis, AI/machine learning model training, and biodiversity assessment.
Diagnostic study on decarbonization of the cement industry in Uruguay
organisation· UY
A UN development agency seeks a diagnostic study on decarbonization pathways for Uruguay's cement industry, identifying emissions-reduction strategies and implementation roadmaps. Bidders should have expertise in industrial decarbonization, cement-sector carbon accounting, and climate-mitigation policy design.
Request for Quotation (RFQ) for supply, delivery, installation, testing and commissioning of ten (10) complete mobile solar-powered digital charging boxes
organisation· UG
A UN humanitarian agency seeks supply, delivery, installation, testing and commissioning of ten mobile solar-powered digital charging boxes for deployment in Uganda. Bidders should be equipment manufacturers or integrators with experience in solar energy systems, mobile charging infrastructure, and field deployment in developing regions.
Request for proposal - Effectiveness Assessment and Sustainability Planning of Digital Learning Platforms
organisation· MM
a UN educational agency seeks an assessment of digital learning platforms' effectiveness and sustainability planning, targeting organizations with expertise in educational technology evaluation and sustainable development integration. Bidders should demonstrate experience in digital education impact assessment, sustainability frameworks, and capacity to deliver in Myanmar.
Energy and related services – Framework agreement for thermal energy performance advisors supporting residential renovation quality in a European regional renewal programme
organisation· FR
Framework agreement for thermal energy performance advisors to support energy renovation quality and performance in a European regional renewal programme. Bidders must provide expert thermal engineering consulting and site supervision services for residential energy-efficiency retrofits.
Engineering services – District heating network expansion planning
Municipality· DE
a German municipal utility seeks engineering planning services for district heating network expansion in Görlitz, integrating renewable energy sources (solar thermal, biomass, heat pumps) to decarbonize municipal heat supply by 2030. Bidders should be engineering consultancies with expertise in district heating design, renewable thermal systems, and large-scale infrastructure planning.
RFP - Pre-Feasibility Scoping and Strategic Roadmap Design for a Nature-based Carbon Solution
organisation· BW
A UN development agency seeks pre-feasibility scoping and strategic roadmap design for a nature-based carbon solution (likely nature-based carbon removal or biodiversity-linked climate mitigation). Bidders should have expertise in climate finance, nature-based solutions, project design, and strategic planning for developing economies.
Multinational comparative survey service INTERFACED Horizon Europe project
University· ES
Multinational comparative survey service for the INTERFACED Horizon Europe research project on sustainable/circular economy topics. Bidders should have expertise in large-scale cross-country survey design, data collection, and analysis capabilities.
Approval plans, working drawings and specifications – urban design services in Hungary
organisation· HU
A Hungarian municipality procures design and planning services for parking infrastructure and green space development in a residential district, including approval drawings, working drawings, specifications, accessibility compliance, and utility coordination. Bidders should be architectural or engineering design firms with experience in urban infrastructure, accessibility standards, and multi-disciplinary coordination.
Western and Central Africa, Consultancy Services for Provision of Senior Distributed Renewable Energy Expert
organisation
This tender seeks a senior consultant to provide distributed renewable energy expertise for a regional coordination initiative across Western and Central Africa. The ideal bidder is an experienced renewable energy specialist or consulting firm with demonstrated expertise in distributed generation systems and African energy markets.
Procurement of one biogeochemical ocean profiler
organisation· ES
Procurement of one Argo Biogeochemical (BGC) profiler for coastal ocean observation in the Balearic Islands. Bidders should have expertise in oceanographic instrumentation, marine sensor systems, and biogeochemical monitoring equipment.