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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.

15,816 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

Open Environment & Water US

Funding to support connectivity projects that advance multi-benefit and nature-based solutions, consistent with the State Wildlife Action Plan, the California Wildlife Barriers Report, and the Fish Passage Annual Legislative Report. For connectivity planning and implementation projects consistent with the State Wildlife Action Plan, the state’s efforts on connectivity, and the Fish Passage Annual Legislative Report or efforts to allow fish and wildlife the freedom to roam in California by accelerating fish and wildlife corridor projects.

To fund multi-benefit ecosystem and watershed protection and restoration projects that benefit the Delta. The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) provides funding to implement the three broad objectives of the California Water Action Plan: more reliable water supplies, the restoration of important species and habitat, and a more resilient, sustainably managed water resources system (e.g., water supply, water quality, flood protection, environment) that can better withstand inevitable and unforeseen pressures in the coming decades. The Delta Water Quality and Ecosystem Restoration Grant Program funds projects that benefit the Delta.

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

To restore Southern California Steelhead habitat consistent with the Department of Fish and Wildlife’s Steelhead Restoration and Management Plan and the National Marine Fisheries Service’s Southern California Steelhead Recovery Plan. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Projects that remove significant barriers to steelhead migration and include other h...

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

To fund multi-benefit ecosystem and watershed protection and restoration projects. The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) provides funding to implement the three broad objectives of the California Water Action Plan: more reliable water supplies, the restoration of important species and habitat, and a more resilient, sustainably managed water resources system (e.g., water supply, water quality, flood protection, environment) that can better withstand inevitable and unforeseen pressures in the coming decades. The Watershed Restoration Grant Program funds water quality, river, and watershed protection and restoration projects of statewide importance outside of the Delta.

To improve conditions for fish and wildlife in streams, rivers, wildlife refuges, wetland habitat areas, and estuaries. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Eligible projects include acquisition of water from willing sellers, acquisition of land that includes water rights or contractual rights to water, short- or long-term water transfers or leases, pro...

Open Disaster Prevention & Relief; Environment & Water US

The objective of the Local Oil Spill Response Equipment Grant Program is to award grants to Native American tribal governments, counties, cities, and special districts in order to pre-position (pre-stage) response equipment to protect economic and environmental resources in the event of an oil spill. The Local Oil Spill Response Equipment Grant Program is administered by the California Department of Fish and Wildlife's Office of Spill Prevention and Response. The objective of this grant program is to award grants to Native American tribal governments, counties, cities, and special districts in order to pre-position (pre-stage) response equipment to protect economic and environmental resources that are located within or immediately adjacent to waters of the state, as defined in Californi...

Open Disadvantaged Communities; Environment & Water US

The State Water Resources Control Board (State Water Board) has identified a need for regional programs that address drought related and contamination issues for state small water systems (state smalls) and domestic wells serving disadvantaged communities (DACs) and low-income households. The State Water Board has funding available from various sources within the Safe and Affordable Funding for Equity and Resilience (SAFER) Program to fund drinking water projects that address drought-related and contamination issues. Although we have several programs already in place, we have identified gaps for regional programs that address the needs of households served by state smalls and domestic wells throughout the State. DFA does not award funding directly to households, and available DFA fundin...

Open Agriculture; Environment & Water US

The purpose of the California Forest Improvement Program (CFIP) is to encourage private and public investment in, and improved management of, California forest lands and resources, to ensure adequate high quality timber supplies, related employment and other economic benefits, and the protection, maintenance, and enhancement of a productive and stable forest resource system for the benefit of present and future generations. The program scope includes the improvement of all forest resources including fish and wildlife habitat, and soil and water quality. Cost-share assistance is provided to private and public ownerships containing 20 to 5,000 acres of forest land. Cost-shared activities include: Preparation of a Forest Management Plan by a Registered Professional Forester (RPF) and RPF S...

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

Funding for this grant program was provided through the Budget Act of 2021-22 for local assistance projects. This funding furthers the purposes of the Conservancy’s mission, enabling legislation Public Resources Code, Division 22.9, Sections 32630 et al. (“the San Diego River Conservancy Act”), the Conservancy’s Strategic Plan Update 2018-2023, and other state approved priorities and plans.

The Revolving Loan Fund (RLF) Grant Program purpose is to help facilitate assessing and cleaning up contaminated sites by granting funds to nonprofits, tribal entitles, and local governments. The RLF Grant Program provides grants to help nonprofits, tribal entities, and local governments who are not potentially liable under CERCLA section 107 assess or clean up brownfields that they own. DTSC accepts applications continuously, subject to fund availability. In 2023, there is not sufficient funding in the Revolving Loan Fund, therefore DTSC is not accepting applications at this time.

Open Energy; Environment & Water US

The GHG Reduction Loan Program provides funds to support new or expanded organics infrastructure, such as composting and anaerobic digestion facilities, as well as for facilities that manufacture fiber, plastic or glass waste materials into beneficial products. The purpose of this investment is to further the purposes of the California Global Warming Solutions Act (Assembly Bill 32), reduce methane emissions from landfills and further GHG reductions in upstream resource management and manufacturing processes; benefit disadvantaged communities by upgrading existing facilities and, where warranted, establishing new facilities that reduce GHG emissions; result in air and water quality improvements; and create jobs.

The Recycling Market Development Zone (RMDZ) program combines recycling with economic development to fuel new businesses, expand existing ones, create jobs, and divert waste from landfills. The Department of Resources Recycling and Recovery (CalRecycle) administers a Recycling Market Development Zone Loan Program to encourage California-based recycling businesses located within California financing businesses that prevent, reduce, or recycle recovered waste materials through value-added processing or manufacturing. The purpose and importance of the RMDZ Program is set forth in Section 42001 of the California Public Resources Code: “The purpose of this chapter [is] to stimulate the use of postconsumer waste materials and secondary waste materials generated in California as raw materials ...

The program makes grants to expand recreational and educational use of conservation lands and improve sustainability in the Coachella Valley. Awards are made projects that enhance park facilities or recreational improvements that expand public access to conservation land or reduce environmental impacts that cause climate change. Applications are accepted on a continuous basis using a pre application form available from the Conservancy. Upon submission of the preapplication form, the applicant meets with Conservancy staff for a pre application consultation, after which the application can be submitted. Further details about the application procedure are available in the Proposition 68 Grant program Guidelines available on the Conservancy's website. Projects that primarily serve several e...

Acquire open space to protect wildlife or cultural resources and enhance recreational and educational use of that land. Grants are provide to acquire mountainous or natural community conservation lands in the Coachella Valley and its surrounding mountains, or in limited cases, to provide capital improvements on existing conservation lands. Priority acquisitions are those that support the implementation of the Coachella Valley Multiple Species Habitat Conservation Plan. Matching funds are preferred, but not required.

Open Disadvantaged Communities; Education; Housing, Community and Economic Development; Parks & Recreatio US

This non-competitive grant program focuses on increasing public access to the Delta through recreation and tourism opportunities, historic and cultural preservation, and environmental education in order to promote a robust Delta economy. The Community and Economic Enhancement Grant Program is designed to fund projects that address recreation and tourism, historic and cultural preservation, and environmental education in order to sustain the Delta's heritage and enhance the unique values of the Delta today. The solicitation is an ongoing noncompetitive process. Projects serving a Disadvantaged/Severely Disadvantaged Community will receive priority for funding consideration. The Conservancy will fund planning projects, which include pilot projects. Allowable activities for planning projec...

United States Up to $2,500,000

Department of Toxic Substances Control's (DTSC) CLEAN Program helps developers, businesses, schools, and local governments accelerate the pace of assessment, cleanup, and redevelopment at abandoned and underutilized urban brownfield sites in California. DTSC's CLEAN Loan Program provides loans for property owners, developers, community groups, and local governments to investigate, cleanup and redevelop abandoned and underutilized urban properties. Loan used for the cleanup or removal of hazardous materials where redevelopment is likely to have a beneficial impact on the property values, economic viability, and quality of life of a community. Per Health and Safety Code § 80370, applicant must not have any: Felony convictions or misdemeanors involving the regulation of hazardous materials...

Open Energy; Environment & Water; Housing, Community and Economic Development; Libraries and Arts; Parks US

IBank's ISRF Loan Fund program provides low-cost, direct loans to local governments and nonprofits sponsored by public agencies for a wide variety of public infrastructure and economic expansion projects (excluding housing) that improve and sustain communities, helping individuals and families thrive. We focus on small and mid-/moderate-sized local governments and special districts — including those in underserved regions and communities. ISRF loans can fund a wide variety of projects – including water and wastewater treatment plant upgrades or construction, venue or airport construction, or street repair and upgrades. ISRF financing is available in amounts ranging from $1 million to $65 million with loan terms for the useful life of the project up to 30 years. With IBank You: • Save ti...

Open Environment & Water; Parks & Recreation US
United States

The principal goal of the Conservancy's Science and Lake Improvement Account program is to support near-shore environmental improvement program activities and projects, particularly projects that manage aquatic invasive species or improve public access to sovereign land in Lake Tahoe. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin. The principal goal of the Conservancy's Science and Lake Improvement Account program (SB 630, 2013) is to support near-shore environmental improvement program activities and projects, particularly projects that manage aquatic invasive species or improve public access to sovereign land in Lake Tahoe. More specifically, such projects ma...

Open Environment & Water; Parks & Recreation US
United States

The principal goal of the Conservancy's Prop 68 grant program is to support purposes set forth in the Conservancy's governing statutes and strategic plan, including stewarding Conservancy lands and protecting Basin communities from wildfire; restoring the resilience of Basin forests and watersheds; providing public access and outdoor recreation for all communities; and fostering Basinwide climate adaptation and sustainable communities. The California Tahoe Conservancy (Conservancy) leads California's efforts to restore and enhance the extraordinary natural and recreational resources of the Lake Tahoe Basin. Proposition 68 allocates $27 million directly to the Conservancy for the purposes set forth in its governing statutes and strategic plan, including stewarding Conservancy lands and p...

United States $1,500,000 - $550,000,000

The Pollution Control Tax-Exempt Bond Financing Program facilitates low cost capital through private activity, tax-exempt bonds. The securities pay for acquisition, construction or installation of qualified pollution control, water furnishing, waste disposal, waste recovery facilities and equipment. Tax-exempt bond financing assists qualified borrowers to obtain lower interest rates than are available through conventional loans. CPCFA acts as a conduit issuer in the transaction. The bonds are issued to raise capital for revenue-generating projects where the funds are used by the borrower to make payments to investors. The conduit financing is typically backed by either the borrower's credit or monies pledged to the project by outside investors. If the project fails and goes into default...

Open Agriculture; Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water; Housing, US
United States

Each year, the Coastal Conservancy issues millions of dollars in grants for projects that restore and protect the California coast, expand public access to it, and enhance its resilience to climate change. We fund a wide variety of projects along the California coast, San Francisco Bay, and in coastal watersheds. The Coastal Conservancy funds a wide variety of projects along the California coast, San Francisco Bay, and in coastal watersheds to increase availability of beaches, parks and trails for the public, protect and restore natural lands and wildlife habitat, preserve working lands, and increase community resilience to the impacts of climate change. The Conservancy will fund most stages of a project including: pre-project feasibility studies, property acquisition, project planning ...

United States $1 - $100,000

Department of Toxic Substances Control's (DTSC) ISCP offers loans to eligible applicants, including governmental entities, private businesses, individuals, and non-profit organizations, to help finance environmental site assessments. DTSC's ISCP Loan Program provides loans for property owners, developers, community groups, and local governments to conduct preliminary endangerment assessment of underutilized urban properties. Loan used to conduct preliminary endangerment assessments. If redevelopment of property is determined not to be economically feasible, up to 75 percent of the loan amount can be waived.

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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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