Grant and FundingClosed
High Consumption Adjustment Policy
Water bill adjustment for leak-related overages
Updated May 2026
Clean Technology Funding in Ontario: Top Grants and Programs for Businesses
Ontario Clean Tech Grants and Incentives for Businesses
Ontario is one of Canada’s leading provinces for clean technology innovation and adoption. Home to a large base of manufacturers, tech companies, and innovative startups, Ontario has a strong interest in reducing emissions while growing the economy. For business owners and decision-makers in Ontario, there are many funding programs available to support clean tech initiatives – from installing energy-saving equipment in a factory to launching a new cleantech venture. Both the federal and Ontario governments offer grants, loans, and tax credits to help companies invest in sustainable technologies, improve energy efficiency, and adopt low-carbon solutions. Below, we outline key federal and provincial clean tech funding options tailored for Ontario businesses.
437 programs available
Eligible Funding- Varies by project
Eligible Industries- Real estate and rental and leasing
- Administrative and support, waste management and remediation services
- Educational services
- Health care and social assistance
Types of eligible projectsEnvironment and ClimateConstruction and Renovation
Grant and FundingLoans and Capital investmentsClosedTaking Action on Tower Renewal Program (TATR)
Supports energy-efficient retrofits for Toronto rental apartment buildings- Grant and FundingTax CreditsClosed
2017 Brownfields Community Improvement Plan (CIP)
Supports brownfield site rehabilitation in Kingston 
Grant and FundingClosedEnvironmental Site Assessment (ESA) Grant Program
Matching funding for environmental site assessments
Other SupportGrant and FundingExpert AdviceClosedYork Region Water Saving and Protection Incentives For Businesses
Funding for business water-saving improvements
Grant and FundingLoans and Capital investmentsClosedBrockton Community Improvement Plan (CIP) Financial Incentive Programs
Funding for Brockton property improvement projects
Grant and FundingClosedParticipant Funding for the Regulatory Oversight Report for Uranium and Nuclear Substance Processing Facilities and Research Reactors in Canada: 2020
Support for public participation in CNSC hearings
Grant and FundingClosedIncreasing Deadstock Capacity Initiative
Funding initiative for Ontario deadstock management and sustainability- Grant and FundingClosed
Participant Funding for the Regulatory Oversight Report on Uranium Processing and Nuclear Processing Facilities in Canada: 2017
Funding to support review and written submissions - Grant and FundingClosed
Participant Funding Program - Nuclear
Support for CNSC participation in nuclear reviews - Grant and FundingClosed
Participant Funding for the Regulatory Oversight Report on the Use of Nuclear Substances in Canada: 2017
Funding for written submissions on nuclear substance oversight 
- Grant and FundingClosed
Participant Funding Program - Global First Power Micro Modular Reactor Project
Funding for nuclear project participation 
Grant and FundingClosedOntario — Biosecurity Enhancement Initiative
Biosecurity Enhancement Initiative supports agriculture and food sector resiliency- Grant and FundingClosed
Participant Funding Program - Best Theratronics Processing Facility Licence Renewal
Support for public participation in a licence renewal review 
Tax CreditsClosedConservation Land Tax Incentive Program
Property tax relief for protected natural lands- Other SupportGrant and FundingClosed
Municipal Fee Assistance Program (MFAP)
Lower-cost access to city services for Kingston residents Discover how much grant funding is available for your business
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- Grant and FundingClosed
Participant Funding Program - Nordion (Canada) Inc. 2025 Licence Renewal
Funding for participation in a CNSC licence renewal hearing 
- Other SupportGrant and FundingClosed
Retrofit Program - Agriculture Incentives
Incentives for energy-efficiency upgrades in Ontario - Grant and FundingTax CreditsClosed
Brownfields Tax Assistance and Rehabilitation Grant Program
Funding for brownfield site remediation and rehabilitation - Grant and FundingTax CreditsClosed
Municipality of Meaford Community Improvement Plan (CIP) – Financial Incentive Programs
Financial incentives for property improvement and development 
Grant and FundingClosedAdaptation Canada 2026 Opportunity
Funding to host Canada's national climate adaptation conference
Grant and FundingClosedBloomberg Youth Climate Action Fund
Youth-led climate microgrants for local action
Grant and FundingClosedCentral Huron Municipal Donation Fund Program
Funding for community-based organizations
Grant and FundingOpenOntario Power Generation - Province-wide Empowerment Grant Program
Funding to support community, environmental, and reconciliation projects in Ontario- Grant and FundingClosed
Youth Climate Action Grants
Supports student-led climate action initiatives in Toronto schools 
- Grant and FundingClosed
Greening Partnership Grant
Supports tree planting and stewardship on private Toronto land - Grant and FundingClosed
Woolwich Township Climate Action Bulk Buy Program – Induction Stoves
Discounted induction stoves through a bulk-buy program 
Grant and FundingOpenHigh Volume User Program
Provides rebates for installing water-efficient commercial fixtures and appliances- Grant and FundingClosed
Ontario On-Farm Climate Action Fund (OFCAF)
Cost-share funding for Ontario farmers - Grant and FundingExpert AdviceClosed
Rotational Grazing Systems
Support for rotational grazing system projects 
Grant and FundingClosedCritical Minerals Innovation Fund
Funding for innovative critical minerals projects in OntarioEligible Funding- Maximum amount : 500,000 $
- Up to 50% of project cost
Eligible Industries- Mining, quarrying, and oil and gas extraction
- Manufacturing
- Professional, scientific and technical services
- Administrative and support, waste management and remediation services
Types of eligible projectsTechnologyEnvironment and ClimateInnovation- Grant and FundingTax CreditsClosed
Development Financial and Servicing Incentives
Financial incentives for eligible development projects - Grant and FundingTax CreditsLoans and Capital investmentsClosed
Ontario Home Energy Cost Management Programs
Programs to reduce home energy bills in Ontario 
Researchers And FacilitiesExpert AdviceOpenNRC — Hygrothermal performance of buildings testing facilities
Energy efficient building testing in Ottawa
- Other SupportGrant and FundingTax CreditsLoans and Capital investmentsClosed
Municipality of Meaford Community Improvement Plan
Funding for community improvement projectsEligible Funding- Maximum amount : 50,000 $
- Up to 50% of project cost
Eligible Industries- Construction
- Real estate and rental and leasing
- Professional, scientific and technical services
- Administrative and support, waste management and remediation services
Types of eligible projectsEnvironment and ClimateConstruction and Renovation Access over 10 000 different funding opportunities
Try the helloDarwin platform today and find programs that fit your needs
The helloDarwin application makes it easy to unlock grants so your business can grow faster—with less hassle and more impact.
Grant and FundingClosedSustainable New Agri-Food Products & Productivity Program — New Products
Funding for innovative northern Ontario agri-food projects
- Grant and FundingTax CreditsClosed
Brownfield Community Improvement Plan – Brownfield Initial Study Grant and Tax Incentive Programs
Supports brownfield study and redevelopment projectsEligible Funding- Maximum amount : 20,000 $
- Up to 50% of project cost
Eligible Industries- Construction
- Manufacturing
- Real estate and rental and leasing
- Administrative and support, waste management and remediation services
Types of eligible projectsEnvironment and ClimateConstruction and Renovation 
Partnering and CollaborationGrant and FundingExpert AdviceClosedRTO7 Partnership Program
Matching funding for tourism projects in BruceGreySimcoeEligible Funding- From $350 to $75,000
- Up to 50% of project cost
Eligible Industries- Arts, entertainment and recreation
- Accommodation and food services
- Other services (except public administration)
- Public administration
Types of eligible projectsCommercializationEnvironment and ClimateHuman ResourcesBusiness BuyoutInnovationDigital Transformation- Other SupportGrant and FundingClosed
Community Trees in Trust Program
Support for community tree-planting in Kingston - Grant and FundingOpen
Forest Biomass Program — Indigenous bioeconomy partnerships stream
Supports Indigenous forest biomass partnerships - Grant and FundingClosed
Participant Funding for CNSC Staff Status Report on CNL's Port Hope Area Initiative
Funding for public participation in a CNSC review - Other SupportGrant and FundingClosed
Get an Investment Ready: Certified Site designation for your industrial property
Support for certifying industrial properties 
Grant and FundingLoans and Capital investmentsOpenCommunity Improvement Plan (CIP) – Financial Incentive Programs
Funding for local redevelopment and housing projects
Other SupportClosedRequest for Tree Planting on Municipally Owned Properties
Tree requests for municipal property planting- Grant and FundingClosed
Nitrogen Management – On-Farm Climate Action Fund (Core BMPs)
Cost-share for new nitrogen management practices 
Grant and FundingOpenCommunity Grant Program and Community Vibrancy Fund
Funding for community projects and events in Lambton Shores- Tax CreditsClosed
Brownfield Tax Assistance Program (TAP)
Tax relief for brownfield remediation projectsEligible Funding- Maximum amount : 2,500 $
- Up to 85% of project cost
Eligible Industries- Construction
- Real estate and rental and leasing
- Professional, scientific and technical services
- Administrative and support, waste management and remediation services
Types of eligible projectsEnvironment and Climate 
Grant and FundingExpert AdviceClosedWater Efficient Technology (WET) Program
Support for business water-efficiency improvements- Grant and FundingClosed
Caribou Conservation Stewardship Program (CCSP) 2025-26
Supports Boreal Caribou conservation projects in Ontario - Grant and FundingTax CreditsClosed
Community Improvement Plan (CIP) – Housing and Brownfield Incentive Programs
Funding for housing and brownfield improvements 
Grant and FundingOpenOntario Creates Industry Development Program
Supports Ontario creative industry organizations with strategic development initiatives- Grant and FundingClosed
Participant Funding Program - Pressure Tubes Heq Update
Funding for public participation in CNSC reviews 
Grant and FundingClosedPolicy Dialogue Program — Indigenous and public engagement on the draft updated cooperation agreement between Canada and Ontario with respect to environmental and impact assessment
Support for Indigenous and public engagement
- Grant and FundingClosed
Participant funding for Ontario Power Generation's application to change the licensing basis for the Pickering Waste Management Facility
Funding for public participation in a CNSC hearing 
- Grant and FundingClosed
Participant Funding Program - Ontario Power Generation's Western Waste Management Facility Licence Renewal
Participant funding for a licence renewal hearing Find tailored funding for your business
Discover more grants on the helloDarwin platform
Look through over 10,000 grants, tax credits, loans and more financial aid on the helloDarwin application.
Partnering and CollaborationGrant and FundingClosedOpen Grants: HCF’s Fund Finding Program
Funding for community projects in Hamilton
Grant and FundingClosedCity of Brantford Grants Program
Funding for local nonprofit community projects
Grant and FundingClosedClean Water~Green Spaces Habitat Restoration Grant Program
Funding for habitat restoration projects
Grant and FundingClosedCommemoration Fund for the Victims of the Ethiopian Airlines Flight 302 Tragedy
Funding for commemorative scholarships and projects
Grant and FundingClosedMunicipality of Trent Lakes — Community Improvement Plan Funding
Funding for Buckhorn business improvement projects
Grant and FundingClosedLow-Flow Toilet Replacement Rebate Program
Rebate for replacing old toilets with efficient models- Grant and FundingClosed
Seedlings for Tree Planting on Private Lands Program – Spring 2026
Tree planting support for private landowners - Grant and FundingExpert AdviceClosed
Enbridge Gas Business & Industrial Energy Incentives
Incentives for energy efficiency upgrades 
Grant and FundingClosedThe Accerta Health Access Foundation Grant
Supports equitable access to healthcare services- Grant and FundingClosed
CNSC Participant Funding Program - Cameco Key Lake and McArthur River Licence Renewal
Funding for participation in nuclear licence review - Grant and FundingClosed
Schoolyard Tree Planting Grant Program
Supports tree planting initiatives on Ottawa school properties 
Other SupportTax CreditsClosedWater Conservation Incentives
Water-saving fixture credit for residents- Other SupportGrant and FundingClosed
Cat Spay & Neuter Voucher Program and Cat Intake Program
Support for cat sterilization and intake services - Grant and FundingClosed
Participant Funding for the Regulatory Oversight Report for Uranium and Nuclear Substance Processing Facilities in Canada: 2022
Funding to support public review of a nuclear oversight report - Loans and Capital investmentsOpen
Better Homes Ottawa
Offers low-interest, long-term loans for energy-efficient home upgrades - Grant and FundingClosed
Save on Energy – Energy Manager Program
Funding for a full-time Energy Manager - Grant and FundingClosed
Critical Minerals Geoscience and Data Initiative – Call for proposals
Funding for critical minerals geoscience projects - Grant and FundingArchived
Brownfields Redevelopment Program - Development Charge Deferral
Supports redevelopment of contaminated sites for residential housing projects 
Grant and FundingLoans and Capital investmentsClosedthriveFORWARD
Northumberland Community Futures Development Corporation (NCFDC), Federal Economic Development Agency for Southern Ontario (FedDev), NventureInnovation funding for southern Ontario businessesEligible Funding- Maximum amount : 100,000 $
- Up to 50% of project cost
Eligible Industries- Agriculture, forestry, fishing and hunting
- Manufacturing
- Professional, scientific and technical services
- Health care and social assistance
Types of eligible projectsCommercializationArtificial Intelligence (AI)TechnologyEnvironment and ClimateInnovationDigital Transformation
Other SupportGrant and FundingClosedWeeping Tile Disconnection and Sump Pump Installation Subsidy
Funding for basement flooding prevention work
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