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Environment & Sustainability Tenders & Grants

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.

15,942 open opportunities in this category

Wind turbines and solar panels — renewable energy infrastructure

Who this is for

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

Top Funders

Major sources of procurement and grant funding in this category:

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

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.

Here is a selection of recent tenders and grants. Register for free to view all environment & sustainability opportunities.

Environment & Sustainability Tenders

South Africa, National 23 Oct 2026 (Closes in 25 days) E3599GXPOU

Corrosion protection services on an 'as and when required' basis for eleven (11) Eskom peaking sites for a period of 5 years (gourikwa & ankerlig gas turbine, gariep, vanderkloof & ncora hydropower, ingula, drakensberg & palmiet pumped storage schemes, sere wind farm, port rex and accacia aeroderivative)

South Africa, Gauteng 13 Oct 2026 (Closes in 15 days) E3570CXMWP

Description of Procurement Eskom requires independent proactive assurance services for Private Sector Participation procurement processes relating to the Richards Bay Gas-to-Power Project and Eskom Green’s renewable energy pipeline, including the 2 GW priority projects and Tubatse Pumped Storage Project. The service provider will provide real-time procurement, governance, compliance, risk and pro

South Africa, KwaZulu-Natal 28 Sep 2026 (Closes today) ETH-RFQ-356407

Installation of doors and wind

South Africa, Limpopo 14 Oct 2026 (Closes in 16 days) EDET329/2026

Appointment of a service provider for helicopter services for annual aerial census: Department of economic development, environment and tourism for a period of three (3) years

South Africa, Limpopo 14 Oct 2026 (Closes in 16 days) EDET330/2026

Appointment of a service provider to do annual veld condition assessments on state owned mature reserves for the period of four (4) years 01 April 2028 – 31 March 2032 (three seasons)

TENDER Open
South Africa, Western Cape 12 Oct 2026 (Closes in 14 days) 170763

Supply and delivery of Hydrogen Generators with onboard and handheld hydrogen leak detection devices and sensors, Reverse Osmosis and Water De-Ionizer Systems, and Water Filtration Systems.

South Africa, Western Cape 29 Sep 2026 (Closes tomorrow) RFQ0001284

Request to appoint a service provider (sp) to supply and deliver safety protective clothing as per attached annexure a.

South Africa, Western Cape 29 Sep 2026 (Closes tomorrow) RFQ0001286

Request to appoint a service provider (sp) to provide plumbing training and trade test.

South Africa, Western Cape 29 Sep 2026 (Closes tomorrow) RFQ0001285

Request to appoint a service provider (sp) to provide repairs and maintenance services of vehicle in Cape Town, as per attached annexure a.

South Africa, Gauteng 6 Oct 2026 (Closes in 7 days) SAPVIA-109223

Dear Members, Please see below tender opportunity for your attention: Design, supply, installation, and commissioning capability of the total rooftop PV solution for Single phase customers from 20 – 60 Amps Issuing Body: Eskom Ideal Bidder: An established electrical engineering or renewable energy company with proven experience in designing, supplying, installing, and commissioning rooftop PV s...

South Africa, National 16 Oct 2026 (Closes in 18 days) 170704

Professional services for engineering consultant in strategic planning and project support for Transnet pipelines’ renewable energy rollout for a period of 3 years

South Africa, Eastern Cape 2 Oct 2026 (Closes in 4 days) WTE1048CE

Supply, delivery and installation of 20m solar highmast floodligt with some local content items (includes: Concrete casting, formwork, earthworks, assembling, bolts, plates, plugs, wiring and all associated works-CIDB contractor (CIDB grading 2EP)

South Africa, Western Cape 29 Sep 2026 (Closes today) SAPVIA-109220

Dear Members, Please see below tender opportunity for your attention: Appointment of a renewable energy Engineering, Procurement, and Construction (EPC) Service Provider, for the Installation of Solar and Battery Storage Solutions for the Quantum V3 Facility Issuing Body: Atlantis Special Economic Zone SOC LTD Ideal Bidder: An established EPC contractor with proven experience in designing, proc...

South Africa, Mpumalanga 1 Oct 2026 (Closes in 3 days) E3529GXMPKEN

Supply, delivery and installation of New Hydrogen H2 Production Plant for a period of 11 months at Kendal Power Station.

South Africa, Mpumalanga 1 Oct 2026 (Closes in 3 days) E3529GXMPKEN

Supply, delivery and installation of New Hydrogen H2 Production Plant for a period of 11 months at Kendal Power Station.

South Africa, Western Cape 12 Oct 2026 (Closes in 14 days) CCT-329081

Term tender for the collection, loading, transport and disposal of animal carcasses and associated emergency response services URBAN WASTE MANAGEMENT / Waste Services

South Africa, Western Cape 13 Oct 2026 (Closes in 15 days) CCT-329082

Clearance, collection, transport and safe disposal/incineration of illegally dumped medical/ hazardous/ toxic waste URBAN WASTE MANAGEMENT / Waste Services

South Africa, Western Cape 2 Oct 2026 (Closes in 4 days) CCT-329034

Cleaning of windows and ledges at city of cape town facilities CORPORATE SERVICES / Facilities Management

South Africa, Western Cape 1 Oct 2026 (Closes in 3 days) CCT-329032

Supply and deliver small plant equipment CORPORATE SERVICES / Fleet Management

South Africa, KwaZulu-Natal 30 Sep 2026 (Closes tomorrow) SAPVIA-109138

Dear Members, Please see below tender opportunity for your attention: Off-Grid Solar PV Electrification & Maintenance Contract for Maqhashiya Village Issuing Body: Eskom Ideal Bidder: An experienced electrical contractor or renewable energy company with proven expertise in off-grid solar PV installations, particularly in rural settings. The bidder must have the capacity for both installation an...

South Africa, Gauteng 30 Oct 2026 (Closes in 32 days) E1671DXMWPCancel

Cancellation Letter for Request for Proposal for Eskom renewable energy offtake commissioned in phases – 291MW solar PV capacity

South Africa, Western Cape 20 Oct 2026 (Closes in 22 days) CCT-328999

Term tender for the supply and delivery of maintenance, repair, upgrade and refurbishment services for high voltage air insulated switchgear (ais). ENERGY / Electricity Generation and Distribution

South Africa, Boegoebaai 2 Oct 2026 (Closes in 4 days)

Provision of professional services to Strategic Marine Fauna Feasibility Study for the proposed Boegoebaai Port Development Project for a period of Six (6) months.

South Africa, North West 12 Oct 2026 (Closes in 14 days) W11572

Rendering of security guarding services for the department of water and sanitation North West: Provincial operations (water quality offices, kuperoord office at hartebeespoort office and mmabatho office) for the period of thirty six (36) months main account

TENDER Open
South Africa, Western Cape 28 Sep 2026 (Closes today) 169390

CTICC 006/2027: Panel: Provision of Plumbing Maintenance Services

Environment & Sustainability Grants

Open Research GB pushing-the-frontiers-of-environmental-research
United Kingdom Up to $950,000

Apply for funding to pursue an adventurous, ambitious curiosity-driven project in environmental research. You must be: based at a UK research organisation eligible for Natural Environment Research Council (NERC) funding in a role that meets the individual eligibility requirements

Australia Up to $1,500,000,000

5 billion in grant funding to support pre-commercial innovation, demonstration and deployment of renewable energy and low emission technologies (Technologies), to support Australia’s transition to a net zero economy. FMA is an ongoing program which will remain open until funding is exhausted or ARENA closes the Program. Successful projects are expected to achieve one or more of the following Program Outcomes: increase uptake of the Technologies through innovation and commercialisation activities. improve Australia’s capability and capacity to produce or manufacture the Technologies. support and/or contribute to stronger supply chains to enable increased use of the Technologies. improve knowledge, skills and/or workforce participation associated with the Technologies. ARENA undertook tar...

Australia Up to $500,000,000

Central to the National Battery Strategy, the program has been designed in consultation with the Department of Industry, Science and Resources (DISR) and a broad range of stakeholders. Funding provided through BBI may include capital grants, production incentives or other payments deemed appropriate by ARENA for the project. ARENA may take a portfolio approach to selecting Projects for funding, giving consideration to how a Project will contribute to the Program Outcomes either uniquely or as part of a suite of complementary ARENA activities. BBI is an open, merit-based program which will remain open until funds are exhausted or otherwise terminated or extended by ARENA. The program’s objective is to fund projects that contribute to one or more of the following program outcomes: Enhance...

clean hydrogen Support the transition to low emissions metals Decarbonise transport ARENA wishes to attract and fund projects that align with its Investment Plan. Through the Advancing Renewables Program, ARENA is able to fund only those low emissions projects and activities that involve a renewable energy technology or technologies that increase the supply of, or improve the competitiveness of, renewable energy in Australia and have a clear nexus to renewable energy and its enabling technologies.

Optimise the integration of BEVs into the grid. Demonstrate new technology, use cases and business models for ZEVs. Increase skills, capacity and knowledge relevant to ZEV technologies. In addition, projects are required to align with one or more of the Driving the Nation Focus Areas. The current Focus Areas are Trucks, Charging, V2G and Innovation: Focus Area 1: Demonstration and deployment of heavy BEVs Focus Area 2: Deployment of heavy BEV charging solutions Focus Area 3: V2G and Innovation

Australia Up to $400,000,000

issions processing and fuel switching. Enabling technologies such as energy storage, demand management and critical infrastructure supporting onsite decarbonisation may also be considered. Funding is guided by the Program Focus Areas. About the program The objectives of the ITS Program are to: Support industrial facilities in regional Australia to reduce emissions in line with Australia’s 2030 emissions reduction goals and transition to net zero by 2050. Improve technology readiness and commercial readiness of renewable energy technologies, energy efficiency technologies and electrification technologies that will result in a significant reduction in scope 1 and/or scope 2 emissions or improve the energy efficiency of an industrial process or processes. Encourage technology demonstration...

Open Research GB uk-international-ocean-drilling-programme-moratorium-awards

Apply for funding to undertake research associated with an IODP3 expedition or SPARC project. You can apply for funding if you are invited and are a member of science parties for IODP3 drilling expeditions and SPARC projects. You must be based at a UK research organisation eligible for NERC funding.

Open Research GB collaborate-with-researchers-in-norway

UKRI and Research Council of Norway have signed a Money Follows Cooperation agreement to enable collaborative applications between researchers in the UK and Norway. UKRI funding will be provided for project co-leads based in Norway in successful applications. Applications must be submitted through existing council programmes.

Open Research GB nerc-urgency-funding-open
United Kingdom Up to $100,000

Apply for funding to respond quickly to transient, unexpected environmental research opportunities created by sporadic natural occurrences such as earthquakes, droughts, floods, or ephemeral events in ecosystems. You must be based at a UK research organisation eligible for NERC funding.

Status: Active Country: Islamic Republic of Pakistan Region: South Asia Borrower: Islamic Republic of Pakistan Implementing agency: Water and Power Development Authority (WAPDA), National Transmission and Despatch Company Financing instrument: Investment Project Financing World Bank commitment: USD 1,000,000,000.00 Project cost: USD 500,000,000.00

Open Research GB work-with-us-based-researchers-on-environmental-science-research

Apply for funding to work with US-based researchers on an environmental science application. Collaborative work is governed by a lead agency agreement between NERC and NSF. The UK-based applicant must be: based at a UK research organisation eligible for NERC funding employed at lecturer (or equivalent) level or above

Status: Active Country: Islamic Republic of Pakistan Region: South Asia Borrower: Islamic Republic of Pakistan Implementing agency: Irrigation Department Financing instrument: Investment Project Financing World Bank commitment: USD 71,700,000.00 Project cost: USD 85,700,000.00

Status: Active Country: Republic of Kenya Region: Eastern and Southern Africa Borrower: Republic of Kenya Implementing agency: Ministry of Water & Sanitation Financing instrument: Investment Project Financing World Bank commitment: USD 30,000,000.00 Project cost: USD 30,000,000.00

Open Heritage GB national-lottery-heritage-grants-250k-10m
United Kingdom $250,000 - $10,000,000

National Lottery Heritage Grants is our funding programme for all types of heritage projects in the UK. Use this guidance to apply for grants from £250,000 to £10m. You must first submit an Expression of Interest and, if you are successful, we will invite you to apply. Your application will usually go through two phases: a development phase of up to two years, enabling you work on your project proposal, and a delivery phase of no more than five years. If you think a two phase application is not right for your project, please contact your local office to discuss. Overview Is this the right programme for you? Is your organisation looking to care for and sustain heritage in the UK? Will your heritage project run for no more than five years (excluding the development phase)? Do you require ...

Open Heritage GB national-lottery-heritage-grants-10k-250k-0
United Kingdom $10,000 - $250,000

Page last updated: 17 September 2026 National Lottery Heritage Grants is our funding programme for all types of heritage projects in the UK. Use this guidance to apply for grants from £10,000 to £250,000. Overview Is this the right programme for you? Is your organisation looking to care for and sustain heritage in the UK? Will your heritage project run for no more than five years? Do you require a grant of between £10,000 and £250,000? Are you a not-for-profit organisation, a private owner of a heritage asset or a partnership? Does your project take into account our four investment principles? If you answered yes to these questions, then National Lottery Heritage Grants could be for you. Our investment principles Four investment principles guide all our grant decision making under our 1...

Open Research GB work-with-brazilian-researchers-nerc-fapesp-lead-agency

This opportunity allows UK-based researchers and researchers in the State of São Paulo, Brazil to submit a collaborative application under existing NERC funding opportunities. This will go through a single review process.

Open Research GB knowledge-transfer-partnership

s help businesses to partner with an academic organisation, research organisation or a Catapult, to employ a graduate with the skills and knowledge that can help the business to innovate and grow.

Open US EPA-REG4-WPDG-25

Wetland Program Development Grants (WPDGs) assist state, Tribal, territory (Insular Areas), local government agencies, and interstate or intertribal entities in developing or refining state, Tribal, territory, or local programs that protect, manage, and restore wetlands. The goals of the EPA’s wetland program include increasing the quantity and quality of wetlands in the U.S. by conserving and restoring wetland acreage and improving wetland condition. In pursuing these goals, the EPA seeks to develop the capacity of all levels of government to develop and/or refine effective, comprehensive programs for wetland protection and management. This is done through the use of the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the deve...

Open US USDA-NRCS-NHQ-CIGCLASSIC-26-NOFO0001449

The CIG program stimulates the development and adoption of innovative conservation approaches and technologies in conjunction with agricultural production. CIG projects are expected to lead to the transfer of conservation technologies, management systems, and innovative approaches (such as market-based systems) to agricultural producers through the development of technical manuals, guides, and for practical instruction for the private sector.   Applications will be accepted from all non-Federal entities and individuals based in the United States (see Section B Eligibility). Application deadline: Submit via Grants.gov by 11:59 pm Eastern Time on July 27, 2026.   A webinar for CIG Classic applicants is scheduled for June 18, 2026 at 3 p.m. Eastern Time. Information on how to par...

United States

The USGS is offering a funding opportunity to a CESU partner for research focused on developing the next generation of authoritative, semantically enriched GeoAI-enabled data infrastructures for sharing of hydrology and elevation data and knowledge.

The NAWCA U.S. Small Grants Program goal is to promote partnerships between public agencies and groups interested in:Protecting, improving, restoring, and managing an appropriate distribution and a variety of wetland ecosystems and other habitats for wetland-associated migratory birds and other fish and wildlife in the U.S.;Maintaining and improving the current distribution of wetlands-associated migratory bird populations; andMaintaining an abundance of waterfowl (ducks, geese, and swans) and other populations of wetlands-associated migratory birds consistent with the objectives of the North American Waterfowl Management Plan, U.S. Shorebird Conservation Plan, Partners in Flight Bird Conservation Plan, and state related plans.The program requires a 1:1 non-federal match. Research proje...

Wetland Program Development Grants (WPDGs) assist state, Tribal, territory (Insular Areas), local government agencies, and interstate or intertribal entities in developing or refining state, Tribal, territory, or local programs that protect, manage, and restore wetlands. The goals of the EPA’s wetland program include increasing the quantity and quality of wetlands in the U.S. by conserving and restoring wetland acreage and improving wetland condition. In pursuing these goals, the EPA seeks to develop the capacity of all levels of government to develop and/or refine effective, comprehensive programs for wetland protection and management. This is done through the use of the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the deve...

U.S. Embassy Buenos Aires announces an open competition to strengthen English for specific purposes within the critical minerals and energy sectors. This program will support workforce development, enhance international collaboration, and improve access to global supply chains by equipping participants with specialized English skills relevant to mining, energy transition, the extractive industry, and advanced manufacturing. It will also help create a more competitive local talent pipeline that can attract increased U.S. investment and expand hiring by U.S. companies operating in Argentina. U.S. Embassy Buenos Aires seeks proposals from qualified organizations capable of designing and implementing a program that produces measurable gains in participant knowledge and supports du...

The Chesapeake Bay Program (CBP) partnership’s four Advisory Committees (Stakeholders’ Advisory Committee; Local Government Advisory Committee; Scientific and Technical Advisory Committee; and Agricultural Advisory Committee) are comprised of appointed and/or elected volunteers who serve as independent advisors to the various CBP partnership committees and teams. These committees serve as liaisons between the CBP partnership and four critical groups: watershed stakeholders, local government leaders, the agricultural industry, and the scientific community. The recipient of this award will coordinate and support the four Advisory Committees to increase representation and engagement of these sectors in the CBP partnership’s restoration and conservation efforts. The targeted audience for th...

United States

The US Army Corps of Engineers (USACE), Portland District (NWP) intends to enter into a cooperative agreement with a non-Federal public agency, nonprofit entity, qualified youth service, or conservation corps organization for land stewardship and restoration services on USACE land in the Willamette Valley, Oregon. These cooperative agreements will assist NWP in fulfilling environmental stewardship responsibilities consisting of restoration and management of native prairie landscapes and wildlife habitat primarily at Fern Ridge Lake while providing education and training to at-risk youth from the nearby community. The recipient’s participating students (participants) will gain experience with project planning, development, and implementation. Projects will mainly focus on land stewardshi...

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Frequently Asked 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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