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.

15,970 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, 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) 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 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

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) 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 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) 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 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 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 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 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 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.

TENDER Open
South Africa, Western Cape 9 Oct 2026 (Closes in 11 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.

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 Science_technology_and_other_research_and_development US NNH25ZDA001N-HWOPSI
United States 26 Oct 2026 (28 days left)

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by September 10, 2026. See the full posting on NSPIRES for details. NOTICE: Amended July 27, 2026. This amendment presents a new program element in ROSES-2025. Mandatory NOIs (see Section 3.1) are due by September 10, 2026, and proposals are due by October 26, 2026. The 7-page limit to the S/T/M Section and required content of proposals to this program element differ in several ways from the defaults set in the ROSES-2025 Summary of Solicitation (see Section 3). NOTICE: Research security training required starting August 5, 2026. All PIs and any Co-Is that would spend ≥ 10% time on a proposed grants or cooperative agreements must certify they have taken research security training. NASA will be satisfied...

Open Natural_resources, science_technology_and_other_research_and_development US NOAA-OAR-CPO-2026-33326
United States $1 - $10,000,000 26 Oct 2026 (28 days left)

The Earth System Science and Services Partnership (ESSSP) supports research, programs, projects and other activities related to NOAA's mission, primarily through collaborations among scientists and professionals in areas of mutual interest associated with understanding and predicting changes in the Earth's atmosphere, oceans, coasts, land, and ice and their interrelated effects on ecosystems, weather and hazards, and communities and infrastructure. Areas for collaborative efforts under this agreement include research and analysis; observations and monitoring; data impact evaluations; numerical modeling; and service development and stakeholder engagement. Eligible applicants must be academic institutions of higher learning which offer doctoral degrees in NOAA-related sciences; consortia ...

Australia 27 Oct 2026 (29 days left)

The Program aims to provide residents in regional NSW with safe, convenient and free disposal options for household problem waste to reduce the environmental and human health risks associated with the inappropriate disposal of these wastes.

The objectives of the grant opportunity are to promote actions that align with the management programs of Australian Marine Parks Management Plans to: support Traditional Owners to: document and maintain their traditional knowledge, cultural sites and values associated with Sea Country in and adjacent to Australian Marine Parks participate in the management of Sea Country in Australian Marine Parks and in adjacent waters enhance community capacity and participation in marine park management, including through improved understanding of social and environmental values protect marine parks from threats and pressures, to minimise damage, and to improve the resilience of marine parks support relevant industries to understand and engage in marine park management – commercial and recreational ...

United States $250,000 - $4,000,000 29 Oct 2026 (32 days left)

The fundamental goal of the Program is to assist in funding regional pilot programs that are supplying bins for collection of empty glass beverage containers from five or more restaurants and on-sale retail licensed establishments licensed pursuant to the Alcoholic Beverage Control Act (Division 9, commencing with Section 2300, of the Business and Professions code), with the goal of increasing the recycling of glass beverage containers. In order to facilitate increased recycling of empty glass beverage containers in the state, the department shall create the Increased Recycling of Empty Glass Beverage Containers Grant Program. The purpose of the grant program shall be to assist in funding regional pilot programs furnishing bins for collection of empty glass beverage containers from rest...

Open Agriculture US
United States 30 Oct 2026 (32 days left)

Fund rice conversion projects on areas with highly organic soils in the Delta. The goal of the Rice Incentive Program is to fund rice conversion projects on areas with highly organic soils in the Delta to 1) stop or reverse ongoing subsidence, 2) reduce greenhouse gas emissions, 3) maintain agricultural viability of land below sea level, and 4) provide overwintering habitat for resident and migratory birds. Rice projects should occur only on soils with a high percentage of carbon within the deeply subsided portion of the Delta. The Program is intended to support farmers, including historically underserved farmers, who otherwise cannot convert their fields to rice due to inability to pay or finance high upfront conversion costs. The Program will provide funding to two or three eligible e...

Open Education; Environment & Water; Parks & Recreation US
United States $1 - $62,000 30 Oct 2026 (33 days left)

Provide boating safety education to the general public. These grants are available to organizations that offer on-the-water boating safety education courses. Courses offered should be designed to enhance boater knowledge of boating laws, practical handling of vessels on the water, weather and water conditions, rules of the road, and equipment requirements.

United States $3,000,000 - $6,500,000 30 Oct 2026 (33 days left)

Awarding agency: Commerce And Econ Opp. Type of assistance: Grant. Application period: 09/22/2026 - 10/30/2026 : 5:00 PM. Award range: $3000000 - $6500000. Estimated total programme funding: $16000000.00. Source of funding: State. Cost sharing or matching: No. Application link: Please copy the entire address below and paste it into the browser... https://dceo.illinois.gov/aboutdceo/grantopportunities/3137-4342.html

Open Epsrc GB epsrc-defra-reimagining-circularity-full-stage
United Kingdom Up to $5,410,000 3 Nov 2026 (37 days left)

Apply for three years of NetworkPlus funding to build new capacity, strengthen community and enhance research to innovation capabilities focused on the circular economy in data and metrics, or textiles. You must be based at a UK research organisation eligible for EPSRC funding.

Open Nerc GB large-grant-full-applications-november-2026-invite-only
United Kingdom 5 Nov 2026 (39 days left)

You can only apply for this funding opportunity if we have invited you to do so following a successful outline application.

Open Science_technology_and_other_research_and_development US NNH25ZDA001N-BIOS
United States 6 Nov 2026 (39 days left)

The close date above is the date for the Step-2 proposal due date. The Step-1 proposal due date is September 4, 2026. Step-2 proposals cannot be submitted if a Step-1 proposal was not submitted. NOTICE: Amended July 20, 2026. This amendment adds this new program element to ROSES-2025. This element uses a two-step proposal process (Section 4). Step-1 proposals are due by September 4, 2026, and Step-2 proposals are due November 6, 2026. Any proposal not preceded by an on-time compliant Step-1 proposal will be returned without review. The page limit for the S/T/M section of Step-2 proposals is 12 pages. Proposers to this program element are strongly encouraged to use the optional Earth Science Division template for the required summary table of work effort of the proposal; templates are av...

United States Up to $175,000 9 Nov 2026 (42 days left)

The purpose of this Notice of Funding Opportunity (NOFO) is to support eligible Tribes and intertribal consortia to implement approved Nonpoint Source (NPS) management programs developed pursuant to CWA Section 319(b)(1). The Clean Water Act (CWA) Section 319(h) authorizes the EPA to award grants to eligible Tribes and intertribal consortia to implement approved NPS management programs. This NOFO will fund implementation of best management practices (BMPs) and measures that have been outlined in Tribal NPS Management Program Plans to address NPS pollution sources that have been identified in a Tribe’s Assessment Report.Eligible applicants to this Notice of Funding Opportunity (NOFO) are federally recognized Tribes and intertribal consortia that meet the eligibility requirements describe...

Open Education, environment AU 121703
Australia $60,001 - $250,000 9 Nov 2026 (43 days left)

The Environmental Education grants program funds projects that build skills and drive change in people's behaviour and practices to improve the environment. Program objective The Environmental Education program funds projects that build people’s skills and capacity to adopt sustainable behaviours, and contribute to protecting and improving the environment Our projects: work with their target audience to co-design and pilot engagement strategies create effective strategic partnerships that strengthen project outcomes measure and demonstrate the impact of their project activities This program is administered by Department of Climate Change, Energy, the Environment and Water. This program is funded by NSW Environmental Trust. Eligibility Tier 2 Tier 2 provides grants of between $60,001 and...

Open Education, environment AU 121701
Australia Up to $60,000 9 Nov 2026 (43 days left)

The Environmental Education grants program funds projects that build skills and drive change in people's behaviour and practices to improve the environment. Program objective The Environmental Education program funds projects that build people’s skills and capacity to adopt sustainable behaviours, and contribute to protecting and improving the environment Our projects: work with their target audience to co-design and pilot engagement strategies create effective strategic partnerships that strengthen project outcomes measure and demonstrate the impact of their project activities This program is administered by Department of Climate Change, Energy, the Environment and Water. This program is funded by NSW Environmental Trust. Eligibility Tier 1 Tier 1 provides grants of up to $60,000 for 2...

Open Science_technology_and_other_research_and_development US NNH25ZDA001N-PSEF
United States 10 Nov 2026 (43 days left)

NOTICE: Amended July 21, 2026. This amendment adds to ROSES-2025 this program element which was previously listed as not solicited this year. Proposals are due November 10, 2026. New this year: no Step-1 or Notice of Intent is requested. New this year: Proposals to this program element will be evaluated using a dual-anonymous peer review process. See guidelines in Section 3.13 of C.1, and in the associated "Guidelines for Anonymous Proposals" document under "Other Documents" on the NSPIRES page for this program element for the preparation of anonymous proposals. NOTICE: Research security training required starting August 5, 2026. All PIs and any Co-Is that would spend ≥ 10% time on a proposed grants or cooperative agreements must certify they have taken research security training. NASA ...

United States $30,000 - $750,000 10 Nov 2026 (43 days left)

The NLGCA Program, under assistance listing number 10.326, will assist NLGCA institutions in maintaining and expanding their capacity to conduct education, research, outreach, and integrated activities relating to agriculture, renewable resources, and other similar disciplines. NLGCA institutions may use the funds to maintain and expand capacity: 1. to successfully compete for funds from Federal grants and other sources to carry out educational, research, outreach, and integrated activities that address priority concerns of national, regional, State, and local interest;2. to disseminate information relating to priority concerns to: a. interested members of the agriculture, renewable resources, and other relevant communities;b. the public; andc. any other interested entity;3. t...

Open Nerc GB exploring-the-frontiers-of-environmental-research-2026
United Kingdom 12 Nov 2026 (46 days left)

Apply for funding to pursue truly novel curiosity-driven environmental research that is at an early stage of development and has the potential to be transformative.

United States Up to $200,000 13 Nov 2026 (47 days left)

Awarding agency: Illinois Finance Authority. Application period: 09/01/2026 - 11/13/2026. Award range: $0 - $200000.

Open Science_technology_and_other_research_and_development US 26-522
United States 16 Nov 2026 (49 days left)

The U.S. National Science Foundation Directorate for Mathematical and Physical Sciences (NSF MPS) supports multiple research programs in the astronomical sciences. NSF MPS funds foundational astronomical sciences research and instrumentation focused on exploring space and advancing fundamental understanding of the universe.The programs covered by this funding opportunity are:Astronomical Sciences Core ResearchAstronomical Sciences Technology & InstrumentationAstronomical Sciences InnovationsResearch supported by these programs is essential for ongoing discovery in a range of fields. The programs provide a strong scientific foundation for America's capabilities in multiple areas: predicting solar storms, discovering potentially habitable planets in other solar systems, understanding ...

Open Agriculture, environment, natural_resources US USDA-NHQ-ACEP-26-NOFO0001456
United States $250,000 - $5,000,000 19 Nov 2026 (52 days left)

The opportunities associated with this NOFO are for lands protected through the Wetland Reserve Easements (WRE) component of the Agricultural Conservation Easement Program (ACEP) and the Floodplain Easement (FPE) component of the Emergency Watershed Protection Program (EWPP). The types of work available through this opportunity fall into three primary categories: 1) restoration of wetland and floodplain easements; 2) stewardship of wetland and floodplain easements, and 3) onsite and offsite assessment of easement conditions.  Component 1) Wetland and Floodplain Easement Restoration.  Awardees will work with NRCS personnel, partners and landowners to develop and implement sound easement restoration plans. These plans may include structural practices, such as levees and water co...

Open Business, environment, primary_industry, regional AU 124831
Australia Up to $25,000 30 Nov 2026 (64 days left)

The Net Zero Planning Grant round 2 is a unique opportunity for eligible NSW businesses to receive up to $25,000 in funding, to cover up to 50% of the cost to strategically plan for and progress their path to net zero. Program objective The objectives of the Net Zero Planning Grant round 2 are to: support businesses with long-term net zero planning enhance businesses' understanding of net zero, to better integrate climate-related risks and opportunities into business planning, strengthen resilience and reduce emissions provide practical guidance to businesses to identify and take actions to progress towards net zero enable businesses to improve their competitiveness in the global transition to net zero. This program is administered by Department of Climate Change, Energy, the Environmen...

Open Business, environment, infrastructure AU 109672
Australia $5,000 - $1,200,000 30 Nov 2026 (64 days left)

Kick-start funding is designed for eligible businesses that are interested in piloting a few battery electric vehicles (BEVs) or for smaller fleets that want to start their electrification journey. Program objective Kick-start funding aims to accelerate the adoption of battery electric vehicles (BEVs) by supporting eligible organisations to transition their fleets to cleaner, low-emission technology. This funding will assist with procuring BEVs and optional smart charging infrastructure to drive sustainable transport solutions and contribute to emissions reduction targets. This program is administered by Department of Climate Change, Energy, the Environment and Water. Eligibility Who can apply Any ABN holder that operates an existing fleet, a taxi or a truck in NSW. The organisation mus...

Open Science_technology_and_other_research_and_development US NNH25ZDA001N-TCAN
United States 3 Dec 2026 (66 days left)

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by October 15, 2026. See the full posting on NSPIRES for details. NOTICE: Amended August 31, 2026. This amendment releases the final text for this program element, which was previously TBD. Mandatory NOIs are due October 15, 2026, and proposals are due December 3, 2026. There are several major changes since the prior (2022) opportunity, so proposers please read carefully. This program will evaluate proposals using an enhanced dual-anonymous peer review, see Section 5 and the associated "Guidelines for Proposers to ROSES DAPR Programs" document under "Other Documents" on the right side of this NSPIRES page. This synopsis is a generic summary that is posted for each of the many individual "program element...

Open Science_technology_and_other_research_and_development US NNH25ZDA001N-CRYO
United States 4 Dec 2026 (67 days left)

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by October 16, 2026. See the full posting on NSPIRES for details. NOTICE: Amended September 1, 2026. This amendment adds this new program element to ROSES-2025. Mandatory Notices of Intent (see Section 4) are due by October 16, 2026, and proposals are due December 4, 2026. Any proposal not preceded by an on-time Notice of Intent (NOI) will be returned without review. The length of the S/T/M section is limited to 12 pages. A briefing for proposers to this program element will occur approximately 6 weeks before the proposal due date. Teleconference information will be posted under "other documents" on the NSPIRES page for this program element. Proposers are strongly encouraged to use&n...

Open Science_technology_and_other_research_and_development US NNH26ZDA016C
United States 4 Dec 2026 (67 days left)

The National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) and Human Spaceflight Mission Directorate (HSMD) have released the fifth Solar System Exploration Research Virtual Institute (SSERVI) Cooperative Agreement Notice (CAN-5) as NNH26ZDA016C. SSERVI CAN-5 (NNH26ZDA016C) invites the submission of multi-institutional team-based proposals for research as participating members of the Solar System Exploration Research Virtual Institute (SSERVI). Proposals must clearly articulate an innovative research program addressing basic and/or applied research fundamental to understanding the nature of the Moon and its near space environment to enable future human exploration of the Moon with Artemis. “Mars forward” proposals that use lunar-focused research to develo...

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