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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.

15,826 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 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, KwaZulu-Natal 28 Sep 2026 (Closes today) ETH-RFQ-356407

Installation of doors and wind

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)

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

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) 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) RFQ0001286

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

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 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 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, 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 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 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 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 1 Oct 2026 (Closes in 2 days) CCT-329032

Supply and deliver small plant equipment CORPORATE SERVICES / Fleet Management

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, 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 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, Gauteng 9 Oct 2026 (Closes in 10 days) 169446

Request for proposals from service providers to collaborate with the ncc to complement the ncc opt-out registry system (oors)

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

United States

The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implement projects per the authorizing language referenced above that benefit water resource management for multiple uses, including water conservation and efficiency projects, water infrastructure improvements, and river and watershed restoration. Projects that balance numerous community interests (agriculture, recreation, fisheries, power, etc.), were developed collaboratively, and provide significant watershed benefits will be prioritized under this funding opportunity. This program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy...

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...

The U.S. Fish and Wildlife Service (Service) Partners for Fish and Wildlife (PFW) Program helps private landowners restore and protect habitats for fish and wildlife. It offers both technical assistance and financial support, mainly through cooperative agreements.The PFW Program has approximately 220 staff working in all 50 states and territories. They work together with project partners and stakeholders to find key areas for conservation and set habitat goals. These focus areas guide the program on where to direct resources for conserving important habitats for federal trust species. The Program also has strategic plans that help determine which projects receive funding.Since it began in 1987, the PFW Program has successfully assisted many landowners. When choosing projects, the Progra...

The Training and Technical Assistance to Improve Water Quality and Enable Small Public Water Systems to Provide Safe Drinking Water grant program supports small public water systems (PWS) in operations and maintenance to achieve and maintain compliance with the Safe Drinking Water Act (SDWA). The 1996 amendments of the Safe Drinking Water Act (SDWA) provide a framework for states and water systems to work together to protect public health. By law, every state has a Capacity Development Program to assist public water systems in building technical, managerial, and financial (TMF) capabilities (sometimes referred to as “capacity”). Additionally, provisions of the SDWA Section 1452(a)(3) have a requirement for PWSs to demonstrate TMF capability in order to receive loan assistance from ...

United States

The USGS is offering a funding opportunity to a CESU partner to develop an Innovation Landscape in the Southern Great Plains for the purpose of accelerating the transfer of new land management technologies to military installations in the region. The partner will possess both military and natural resource expertise, experience, and established relationships to be able to accurately identify innovation needs and scalable solutions in the natural resource focus area to support the military mission, increase regulatory flexibility for Department of War (DoW), and facilitate military use of the land.

Open US RDRUS-26-RFP
United States

This program provides grants to qualified private, non-profit entities to capitalize revolving funds for the purpose of providing financing to eligible entities for pre-development costs associated with proposed water and wastewater projects or with existing water and wastewater systems, and short-term costs incurred for replacement equipment, small-scale extension of services, or other small capital projects that are not part of the regular operations and maintenance activities of existing water and wastewater systems.

The National Environmental Education and Training Program is authorized under Section 5 of the National Environmental Education Act of 1990 (Public Law 101-619). The purpose of this program is to deliver environmental education (EE) training and long-term support to formal and non-formal education professionals across the U.S. in the development and delivery of environmental education and training programs and studies, bolstering their ability to effectively teach about environmental issues. Eligibility for funding is open to U.S. institutions of higher education, not-for-profit institutions as described in Section 501(c)(3) of the Internal Revenue Code of 1986 which are exempt from taxation pursuant to provisions of section 501(a) of such Code, or a consortium of such institutions may ...

United States

The U.S. Geological Survey (USGS) is offering a funding opportunity to a CESU partner for research focused on developing authoritative knowledge infrastructure for the GeoAI: Application, which will deploy agentic technology to support the Intelligent National Map (INM).

Under the Virginia Graeme Baker Pool and Spa Safety Act (VGB Act), the U.S. Consumer Product Safety Commission (CPSC) is accepting applications for the Pool Safely Grant Program (PSGP). This program aims to prevent drowning and drain entrapments of children in pools and spas by providing funding to state and local governments. The funding supports drowning prevention education and enforcement of pool safety regulations. CPSC will determine, in its sole discretion, whether an applicant has met the eligibility requirements under the VGB Act for a PSGP funding grant.

Open Heritage GB nature-networks-fund-round-six

Is this the right programme for you? Are you an organisation working with natural heritage in Wales? Do you need funding for planning or delivering a nature-based project? Does your project focus on improving wildlife and biodiversity in Wales in and around the network of protected sites? Do you require a grant of between £250,000 and £1million? If you answered yes to these questions, then the Nature Networks Fund is for you. Overview We’re delivering the Nature Networks Fund on behalf of the Welsh Government, in partnership with Natural Resources Wales. The aim of the Nature Networks Fund is to improve the resilience of Wales’ network of protected land, freshwater and marine sites. It is a key element of the delivery of the Welsh Government’s wider Nature Networks Programme, supporting...

Open Community GB small-eco-awards
United Kingdom $300 - $20,000

The climate and nature emergency affects us all. But local action can make a real difference. We want to fund projects that have environmental sustainability as their main aim. We’ll fund projects that meet at least one of our priorities: help people connect with and care for nature in their area help people connect with and care for nature in their area make a positive difference to the environment make a positive difference to the environment help people tackle pollution in their communities help people tackle pollution in their communities You can use our funding to: start a new activity or continue an existing one (if it meets our priorities) start a new activity or continue an existing one (if it meets our priorities) help your organisation or community (or both) adapt to new chall...

Open Science_technology_and_other_research_and_development US 22-537
United States $150,000 - $200,000

Geospace Environment Modeling (GEM) is a broad-based research program investigating the physics of the Earth's magnetosphere and the coupling of the magnetosphere to the atmosphere and to the solar wind. The goal of the GEM program is to make accurate predictions of the geospace environment by developing physical understanding of the large-scale organization and dynamics through observations, theory, and increasingly realistic models.   

Open Science_technology_and_other_research_and_development US 22-570
United States $120,000 - $200,000

Solar, Heliospheric, and Interplanetary Environment (SHINE) is a broad-based research program supporting enhanced understanding of and predictive capabilities for the processes by which energy in the form of magnetic fields and particles are produced by the Sun and/or accelerated in interplanetary space and on the mechanisms by which these fields and particles are transported to the Earth through the inner heliosphere. Broad-based, grass-roots associations such as SHINE have developed to focus community effort on these scientific questions.  Proposals are solicited for research directly related to topics under consideration and discussion at community workshops organized by SHINE under focused topic areas indicated in the program description.  Information on the curr...

Open Disaster Prevention & Relief; Environment & Water US

The Real-time Data Grant Program was created to help fund projects to fill a gap in our current flood warning system. This grant program will fund additional real-time telemetry of reservoir elevations at dams with ungated spillways. This will provide important information to forecasters, flood emergency responders, and communities downstream of these dams with ungated spillways during periods of heavy precipitation. The need to improve public safety and achieve other benefits through integrated flood management is urgent due to more people living and working in flood-prone areas, better understanding of system deficiencies, and possible changes in flood magnitude and frequency from a changing climate. In 2018, the Department of Water Resources (DWR) launched the Flood Partnership, in c...

Open Energy; Science, Technology, and Research & Development US GFO-25-902
United States

This solicitation is issued under the Geothermal Grant and Loan Program (Geothermal Program). The purpose of this solicitation is to provide CEC cost-share funding for applicants who apply for and receive an award under an eligible federal Funding Opportunity Announcement (FOA) and meet the requirements of this solicitation. See application manual for more info.

Open Environment & Water US

Protect communities, improve forest health, enhance early detection and response and support long-term capital infrastructure projects. Hazardous fuels reduction, wildfire prevention planning and wildfire prevention education.

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US

The purposes of Prop 4 include watershed improvement, wildfire resilience, chaparral and forest restoration, and workforce development that addresses needs related to this subdivision and to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and increase public access. Multi-benefit projects that advance a number of goals, including but not limited to: • Conserving land • Protecting resources • Reducing flood and fire risk • Improving water quality • Protecting and enhancing wildlife habitats and corridors • Completing the San Diego River Trail • Providing public access for the enjoyment of the San Diego River Park and open space, trails, campgrounds and park facilities • Removing invasive plant species from the watershed • Increasing ...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US

The Baldwin Hills & Urban Watersheds Conservancy Proposition 4: Community and Climate Resilience Grant Program aim to award projects and programs that protect biodiversity; restore watershed function; and expand equitable access to parks and open space. The Climate Bond, Proposition 4: the Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024 (Senate Bill (SB) 867), was approved by voters in November 2024. It added Division 50 (Commencing with Section 80000) to the Public Resources Code (PRC). Section 93020 (a)(1) of Chapter 6: Protect Biodiversity and Accelerating Nature-Based Climate Solutions authorizes the Legislature to appropriate $48,000,000 (forty-eight million dollars) to the Baldwin Hills & Urban Watersheds Conservancy (Conservancy) for...

Open Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water; Parks & Recreation US Proposition 4, Chapter 83 Statutes of 2024

Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024. Appropriations under Chapter 6 Protect Biodiversity and Accelerating Nature-Based Climate Solutions 93020 to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and increase public access. Background: In July 2024, the Legislature approved Chapter 83 (SB 867, Allen), authorizing a $10 billion bond measure entitled the “Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024.” Largely designed to increase the state’s resilience to the impacts of climate change, the measure was placed on the statewide ballot as Proposition 4 and subsequently approved by voters in November. This bond measure builds on signi...

Open Parks & Recreation US

Climate impact reduction and outdoor recreation opportunities at Randall Preserve. The funds appropriated in this item shall be available for the Randall Preserve for work that supports the reduction of climate impacts on disadvantaged communities and vulnerable populations and the creation, protection, and expansion of outdoor recreation opportunities pursuant to Section 94020 of the Public Resources Code and shall be available for encumbrance or expenditure until June 30, 2028.

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US

The program makes grants to address climate resilience and nature-based solutions in conservation lands and improve sustainability in the Coachella Valley. Awards are made for projects that reduce climate change risks, protect natural and cultural resources, restore habitat and watershed systems, and improve public access to outdoor recreation within the Coachella Valley and its surrounding mountains. Eligible projects may include conservation land acquisition, habitat restoration and enhancement, watershed and ecosystem restoration, wildfire risk reduction, and improvements that expand safe and equitable access to parks, trails, and natural areas. Funding is provided through the Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024 (Proposition ...

United States $500,000 - $4,000,000

The fundamental goal of the Empty Glass Beverage Transportation Grant Program is to facilitate the transportation of empty glass beverage containers to glass processing facilities through the use of rail transportation within California. The Department of Resources Recycling and Recovery (CalRecycle) receives an annual and continuous appropriation of $1,000,000 from the Beverage Container Recycling Fund to administer the Empty Glass Beverage Transportation Grant Program (PRC section 14545). All projects must be located within California and transportation must come from California located businesses. Eligible projects include: • Projects that facilitate the use of rail transportation of empty glass beverage containers to glass processing facilities Certified by CalRecycle within the sta...

Open Disadvantaged Communities; Employment, Labor & Training; Environment & Water; Parks & Recreation; Sc US

Wildfire and Forest Resilience [Section 91520(l)]: may be awarded for projects that promote watershed improvement, wildfire resilience, chaparral and forest restoration, and workforce development that addresses needs related to this subdivision and is designed to create career pathways for individuals from disadvantaged communities, severely disadvantaged communities, or vulnerable populations The RMC awards grants and interagency agreements with the aim toward creating open space, habitat restoration, expanding green space in disadvantaged communities, and protecting the watersheds of the San Gabriel and Los Angeles Rivers, Dominguez Channel, and Catalina Island. The overall policy guidelines for the RMC are found in two primary references: the statute which created the RMC, Public Res...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US BHUWC - CGP 2025

The BH UWC Consolidated Grant Program streamlines administration of State funds, aligning with the Cutting Green Tape initiative. Centered on Embedding Equity, it funds high-impact projects that advance conservation, climate resilience, and Access for All through Planning, Implementation, Acquisition, and Stewardship & Community Access Grants that deliver equitable, measurable benefits statewide. The Consolidated Grant Program guidelines prioritizes project which directly and meaningfully benefit Disadvantaged Communities and Vulnerable Populations. BH UWC Community and Climate Resilience Framework is integral to effective and equitable grant making is the strategic funding of projects & programs that deliver tangible and/or measurable benefits to a population, in direct response to a d...

Open Environment & Water; Parks & Recreation US
United States

The Conservancy's Proposition 4 program aims to support watershed improvement, forest health biomass utilization, chaparral and forest restoration, and workforce development, and to reduce the risks of climate change impacts upon communities, fish and wildlife, and natural resources, and to increase public access. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin (Basin). The Conservancy uses available funding to accomplish its mission and Strategic Plan through grants for land acquisition, planning, implementation, and monitoring on the California side of the Basin. California voters approved Proposition 4 (the Climate Bond), the Safe Drinking Water, Wildfire Prev...

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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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