Loading page...

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.

15,530 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.

See live opportunities →
World Bank

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

See live opportunities →
GEF

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

See live opportunities →
EU Green Deal

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

See live opportunities →
AfDB

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

See live opportunities →
USAID

Climate and water security programming, resilience funding.

See live opportunities →

Get Environment & Sustainability Alerts

A weekly digest of only environment & sustainability tenders and grants for where you do business.

Set Up Alerts

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 24 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 14 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, Limpopo 14 Oct 2026 (Closes in 15 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 15 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 13 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 today) RFQ0001286

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

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

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

South Africa, Gauteng 6 Oct 2026 (Closes in 6 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 17 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 3 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, Mpumalanga 1 Oct 2026 (Closes in 2 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 2 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 13 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 14 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 3 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 2 days) CCT-329032

Supply and deliver small plant equipment CORPORATE SERVICES / Fleet Management

South Africa, KwaZulu-Natal 30 Sep 2026 (Closes today) 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 31 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 21 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 3 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, KwaZulu-Natal 9 Oct 2026 (Closes in 10 days) 09-2026

RFP number 09/2026 : Appointment of a service provider to design, supply, deliver , install and commission various electrical works and infrastructure in the park

TENDER Open
South Africa, Western Cape 9 Oct 2026 (Closes in 10 days) 169410

Appointment of a service provider for monitoring, quality control and process advisory services at wastewater treatment plants and water distribution network in the Saldanha bay region for the period ending 30 June 2029.

South Africa, KwaZulu-Natal 8 Oct 2026 (Closes in 9 days) 2025/009(B)

Provision of Cleaning Services for Durban Heights Waterworks and UUW Durban Heights Training Centre for a Period of 5 Years

TENDER Open
South Africa, National 30 Sep 2026 (Closes tomorrow) 169405

Cogta T04/2026: Appointment of a service provider to conduct skills audit for community work programme (cwp) participants and site staff over a period of twelve (12) months

Environment & Sustainability Grants

The Centers of Research Excellence in Science and Technology (CREST) program provides support to enhance the research capabilities of minority-serving institutions (MSIs) as defined in this solicitation’s Eligibility section, through effective integration of education and research. The CREST program, composed of the CREST Centers, the CREST Postdoctoral Research Program, and the projects supported by this CREST-RISE solicitation, promotes the development of new knowledge, enhancements of the research productivity of individual faculty and postdoctoral scholars, and an expanded presence of research doctoral students in science, technology, engineering, and mathematics (STEM) disciplines, especially those from underrepresented groups. CREST-RISE is the component of the CREST program...

THIS IS A REQUEST FOR INFORMATION (RFI) – This RFI is issued for information and planning purposes only. It does not constitute a Request for Proposal (RFP) or presumes an RFP will subsequently be released. Since this is an RFI and not an RFP, solicitation requests will not receive a response. This notice does not constitute a commitment by the United States Government to contract for any supply or service or reimbursement for responses nor provide feedback on submissions. All information submitted in response to this announcement is voluntary; the United States Government will not pay for information requested or costs incurred in developing information provided to the United States Government. Not responding to this RFI does not preclude participation should any RFPs be released, whic...

United States

The Soldier Center is seeking solutions in the following scientific and technical areas: Combat Feeding & Equipment – Ration development, field feeding systems Soldier Protection & Survivability – Headborne protection, modular armor, chemical/biological protection, nanotechnology Modeling & Simulation – Soldier effectiveness, operational survivability Human Performance & Biomechanics – Body-worn systems, hand-held devices, soldier-centric sensors Expeditionary Maneuver Support – Energy efficiency, EMI/EMP protection, battlefield mobility Aerial Delivery – Advanced airdrop systems for personnel and cargo Simulation & Training Technology – Medical training, AI-based battlefield visualization, cyberspace warfare training   This Broad Agency Announcement (BAA) is in...

United States

The close date above is NOT the date for the Step-2 proposal due date as the Step-2 due date for this program will be announced at least 60 days before the Step-2 proposal due date. The Step-1 proposal due date is 01/21/2026. Step-2 proposals cannot be submitted if a Step-1 proposal was not submitted. NOTICE: Amended November 25, 2025. This amendment releases final text for this program element, which was previously TBD. Step-1 proposals are due January 21, 2026. The Step-2 due date will be announced at least 60 days before the Step-2 proposal due date, see Section 5.1. This synopsis is a generic summary that is posted for each of the many individual "program elements" in NASA’s Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation. For specific information on t...

United States

The U.S. Geological Survey (USGS) is offering a funding opportunity to a Cooperative Ecosystem Studies Unit (CESU) partner for research focused on advancing GeoAI-enabled automated landform mapping, expansion of the Landform Reference Ontology using knowledge graphs, and improving Geographic Names Information System (GNIS) summit feature positional accuracy using lidar-derived elevation datasets.

The Office of Insular Affairs (OIA) is seeking proposals for its Technical Assistance Program (TAP), which offers grant funding for short-term projects aimed at addressing the immediate needs of insular areas. The TAP program provides discretionary grant funding to tackle urgent economic, financial, government service, and capacity challenges in the insular areas.

United States

Testing funding opportunity and providing approval.

United States

Agency Name: Fort Worth DistrictDescription:Note: A full study proposal and proposed budget are NOT requested at this time.Project Title: Tree Island Wildlife Habitat Assessment for Water Conservation Area 3 and Everglades National Park, FloridaResponses to this Request for Statements of Interest will be used to identify potential organizations for this project. Approximately $200,000 is expected to be available to support this project for the base period. Additional funding may be available to the successful recipient for optional tasks and/or follow on work in subsequent years.  Description of Anticipated Work: See attached Statement of Objectives.Period of Performance.  The base period of the agreement will extend 12 months from the date of award. There ...

United States

1) Note: A full study proposal and proposed budget are NOT requested at this time.2) Project Title: Ecosystem and Natural Resource Range Study at Fort Stewart/Hunter Army Airfield, Georgia.3) Brief Description of Anticipated Work: SEE ATTACTHED SOO FOR THIS INFORMATION.4) Period of Performance: The Base period of the agreement will extend 12 months from the date of award. There may be up to four 12-month follow-on periods based on availability of funding.5) Please send responses or direct questions to:Nicholas A. ApreaGrants SpecialistUSACE, Fort Worth DistrictEmail: Nicholas.a.aprea@usace.army.milANDJoshua C. WurtzProject ManagerUSACE, Fort Worth DistrictEmail: joshua.c.wurtz@usace.army.mil6) Timeline for Review of Statements of Interest: 30 calendar days from date posted.

Open US NOAA-NOS-OCS-2025-30563

The purpose of this notice is to solicit proposals for a single cooperative agreement between NOAA and an institution of higher learning as authorized in the Ocean and Coastal Mapping Integration Act and the Hydrographic Services Improvement Act. Proposals submitted in response to this announcement should advance the purposes of the Acts by addressing the Program Priorities described in this announcement.This will be a 5-year, multiyear award. The intent is to make a single 5-year award. Total anticipated funding for this award is approximately $8,500,000.00, with approximately $1,600,000.00 to be released in FY 2026 and each subsequent year of the 5 years.

The National Oceanic and Atmospheric Administration (NOAA) Coral Reef Conservation Program provides financial assistance through the Ruth D. Gates Coral Reef Conservation Grants - Fishery Management competition for projects to sustainably manage coral reef fisheries, as authorized under the Coral Reef Conservation Act, 16 U.S.C. § 6410. Projects funded through this competition are for activities that: 1) Develop or update sustainable coral reef fisheries management plans; 2) Address science/information gaps that help advance sustainable management of coral reef fisheries stocks; 3) Advance ecosystem-based fisheries management by modernizing analysis of existing data and application of fisheries management tools. Proposals selected for funding through this solicitation will be implemente...

United States

The U.S. Geological Survey (USGS) Landslide Hazards Program announces a funding opportunity under the Cooperative Landslide Hazard Mapping and Assessment Program, established by the National Landslide Preparedness Act (Public Law 116-323). This program provides resources to assist state, local, Tribal, and territorial governments in reducing landslide risk through hazard mapping, risk assessments, public education, and interagency coordination. Landslides occur in every U.S. state and territory, often with little warning, causing fatalities, disrupting transportation and commerce, and inflicting billions of dollars in damage annually. This program addresses these challenges by funding projects that:•Enhance Risk Assessments: Develop detailed landslide hazard maps and analyses to identif...

United States

The USGS is offering a funding opportunity to a CESU partner for research to characterize tidal creek water chemistry in fresh and salt marshes in Barataria Basin, Louisiana, supporting development of a decision support tool that will assess wetland recovery in response to oil spill damage and subsequent restoration. This activity is intended to support evaluation of restoration actions within the Louisiana Restoration Area; perform data collection, aggregation and analyses; and inform critical information gaps. This work is carried out pursuant to the 33 U.S.C. 2701, 2761Oil Pollution Act of 1990 (OPA) statute and regulations. Consistent with the Consent Decree for the Deepwater Horizon oil spill, the Trustees carry out their obligations according to Final Programmatic Damage Assessmen...

Open US NNH25ZDA001N-PIONEERS
United States

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by 2/11/2026. See the full posting on NSPIRES for details. NOTICE: Amended January 14, 2026. The due dates have been delayed. Mandatory Notices of intent are due February 11th, 2026, and proposals are due April 2, 2026. Moreover, three small changes have been made to Section 5.3. New text is in bold and deleted text is struck through.  This synopsis is a generic summary that is posted for each of the many individual "program elements" in NASA’s Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation. For specific information on this particular program element download and read the PDF of the text of this program element by going to Tables 2 or 3 of ROSES ...

Open US USDA-NIFA-CPPM-011908

The purpose of the CPPM program (Assistance Listing 10.329) is to provide funding for integrated, multifunctional agricultural research, Extension, and education activities. The goals and objectives of CPPM are to address high-priority issues related to pests, including insects, nematodes, pathogens, weeds, and other pests, and their management using IPM approaches at the state, regional, and national levels. The CPPM program supports projects that will ensure sufficient food production increase producer profitability, and respond effectively to other pest management challenges with comprehensive IPM approaches. Priority is given to proposals that address management of invasive species. The CPPM program also addresses IPM challenges for existing pest concerns that can be addressed more ...

United States

The close date above is the date ROSES25 closes. The Step-2 due date will be announced at least 60 days before the Step-2 proposal due date. The Step-1 proposal due date is May 1, 2026. Step-2 proposals cannot be submitted if a Step-1 proposal was not submitted. NOTICE: Amended February 11, 2026. This amendment makes two corrections to this program element: The length of the Step-1 Proposal in Section 3.3.1 has been corrected from two pages to three, and the expected budget numbers given in the summary table are per award, per year, not the budget for all of the new awards in the SST. NOTICE: Amended February 3, 2026. This amendment releases the final text for this program element, which was previously TBD. Step-1 proposals are due May 1, 2026. The Step-2 due date will be announced at l...

The U.S. Standard Grants Program is a competitive, matching grant program that supports public-private partnerships carrying out projects in the United States that further the goals of the North American Wetlands Conservation Act. The program promotes partnerships projects that must involve a) only long-term protection, restoration, and/or enhancement of wetland and associated upland habitats to benefit a variety of wetland ecosystems and b) maintaining 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, Waterbird Conservation Plan for the Americas, and Partners in Flight Bird Conservation Plan. The program require...

United States

The USGS is offering a funding opportunity to a CESU partner for research that will support the development of resources that expedite review and authorization of new projects. Resources include web-based tools that support project proponents and federal staff that review project documentation to conduct reviews more efficiently. This work is supporting the Permitting Council and their priorities by developing a cloud-native Environmental Review Partner Portal to support environmental review workflows. Central to this is improving availability and accessibility to sound ecological science products and data to inform and defend environmental permitting decisions. Therefore, this is inherently tied to ecosystem research and requires a performer with domain knowledge. The research to be co...

The purpose of the Special Research Grants Program for Aquaculture Research (Assistance Listing Number 10.200) is to support the development of a vibrant, robust, and profitable aquaculture industry in the United States by generating new, science-based information and technology to address industry constraints. Applied research is needed to develop practical solutions that will facilitate growth and remove limitations to expansion of the United States aquaculture industry. Results of projects supported by this program are intended to help improve the profitability of the United States aquaculture industry, reduce the multi-billion-dollar United States seafood trade deficit, increase domestic food security, expand markets for United States-produced products, and provide more jobs for rur...

NOFO Number: DE-FOA-0003623 – High-performance Optimized Recycled Nuclear Isotopes for Gen IV reactors (HORNIG) Agency Overview: The Advanced Research Projects Agency—Energy (ARPA-E), an organization within the Department of Energy (DOE), is chartered by Congress in the America COMPETES Act of 2007 (Public Law 110–69), as amended by the America COMPETES Reauthorization Act of 2010 (Public Law 111–358), as further amended by the Energy Act of 2020 (Public Law 116–260). ARPA-E issues this Notice of Funding Opportunity (NOFO) under its authorizing statute codified at 42 U.S.C. § 16538. The NOFO and any cooperative agreements or grants made under this NOFO are subject to 2 C.F.R. Part 200 as supplemented by 2 C.F.R. Part 910. ARPA-E funds research on, and the development of, transformative ...

United States

1) Note: A full study proposal and proposed budget are NOT requested at this time.2) Project Title: Installation Natural Resource Management Plan Implementation Support to Navy Region Hawaii and Joint Base Pearl Harbor-Hickam, Oahu, Hawaii.3) Brief Description of Anticipated Work: SEE ATTACTHED SOO FOR THIS INFORMATION.4) Period of Performance: The Base Period is 12 months from the date of award. There may be up to six (6) 12-month Follow-On Periods based on availability of funding.5) Please send responses or direct questions to:Nicholas A. ApreaGrants SpecialistUSACE, Fort Worth DistrictEmail: nicholas.a.aprea@usace.army.milNicole D. BakerProject ManagerUSACE, Fort Worth DistrictEmail: nicole.d.baker@usace.army.mil6) Timeline for Review of Statements of Interest: 30 calendar days from ...

United States

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by 02/27/2026. See the full posting on NSPIRES for details. This synopsis is a generic summary that is posted for each of the many individual "program elements" in NASA’s Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation. For specific information on this particular program element download and read the PDF of the text of this program element by going to Tables 2 or 3 of ROSES at https://solicitation.nasaprs.com/ROSES2025table2 and https://solicitation.nasaprs.com/ROSES2025table3, respectively, click the title of the program element of interest, a hypertext link will take you to a page for that particular program element. On that page, on the rig...

The Office of Insular Affairs (OIA) is seeking proposals for its Maintenance Assistance Program (MAP), which offers grant funding to support, develop, improve and institutionalize infrastructure maintenance practices in the insular areas. Funds can also be used for critical repairs to infrastructure.

Open Community GB sustainable-steps-wales-egin-grants
United Kingdom $100 - $35,000

This funding supports community groups in Wales that are taking action on climate change and aiming to live more sustainably, or helping them kick-start their ideas. To apply, your group must have received support from the Egin mentoring programme . The main aim of your project should be to help your community engage with climate change and take steps to live more sustainably. We aim to fund groups that consider the impact of their activities on nature and, where possible, limit any potentially damaging practices. We’re also interested in other benefits your project could bring. These might include: improving people’s wellbeing improving relationships between people and organisations improving biodiversity We want to fund organisations that are open to learning and plan to share what th...

The NIST Standards Coordination Office Curricula Development Cooperative Agreement Program (SCOCD CAP) is seeking applications from eligible applicants for activities to develop undergraduate and/or graduate level curricula to incorporate documentary standards, standards development, and standardization of information and content into seminars, modules, courses, and learning resources. The recipients will work with NIST to strengthen education and learn about documentary standards, standards development, and standardization.   

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.

Start Winning Environment & Sustainability Tenders Today

Scroll to Top