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.
134 opportunities available
Other SupportResearchers And FacilitiesPartnering and CollaborationExpert AdviceOpen
NRC — Canadian Centre for Housing Technology
Real-life testing support for housing innovations
Grant and FundingClosed
Agri-Food Energy Cost Savings Initiative
Energy efficiency funding for agri-food processors
L
Grant and FundingLoans and Capital investmentsClosed
Lead Financial Incentive Program
Funding for lead water service replacement
Grant and FundingClosed
Agri-Tech Innovation Initiative : Stream 3 – Agri-Tech Energy Costs Savings
Cost-shared support for agri-food energy efficiency
Other SupportGrant and FundingOpen
Emergency Management Non-Structural Mitigation and Preparedness Program
Funding for First Nations emergency preparedness
Grant and FundingOpen
Toronto Eco-Roof Incentive Program
Incentives for Toronto eco-roof installations
P
Other SupportPartnering and CollaborationGrant and FundingExpert AdviceOpen
Perth County Stewardship Program
Funding for rural conservation projects
B
Tax CreditsClosed
Brownfield Tax Assistance Program (TAP)
Tax relief for brownfield remediation projects
Eligible 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 projects
Environment and Climate
Grant and FundingArchived
Aboriginal Participation Fund (APF) — Values mapping and related projects
Supports consultation capacity for Indigenous communities
Grant and FundingClosed
Investments in Forest Industry Transformation (IFIT) — Studies projects
Support for forest innovation studies
Partnering and CollaborationGrant and FundingClosed
Sustainable New Agri-Food Products & Productivity Program — Productivity Enhancement
Funding for agri-food innovation and productivity
Grant and FundingOpen
Forest Biomass Program — Indigenous bioeconomy partnerships stream
Supports Indigenous forest biomass partnerships
Grant and FundingExpert AdviceClosed
Ottawa Rural Clean Water Program
Supports rural projects safeguarding Ottawa’s surface and groundwater quality
Grant and FundingOpen
High Volume User Program
Provides rebates for installing water-efficient commercial fixtures and appliances
Loans and Capital investmentsOpen
Better Homes Ottawa
Offers low-interest, long-term loans for energy-efficient home upgrades
U
Grant and FundingClosed
Urban Forest Enhancement Rebate Program
Rebates for private tree care and planting
Grant and FundingOpen
Rain Ready Ottawa
Supports Ottawa residents with sustainable rainwater management solutions
Grant and FundingLoans and Capital investmentsClosed
Municipal Financial Programs
Funding for tourism initiatives in SDG
Grant and FundingClosed
Adaptation Canada 2026 Opportunity
Funding to host Canada's national climate adaptation conference
Grant and FundingClosed
Increasing Deadstock Capacity Initiative
Funding initiative for Ontario deadstock management and sustainability
Researchers And FacilitiesPartnering and CollaborationExpert AdviceOpen
NRC — Indoor environment testing research facilities
Indoor environment testing for new technologies
Grant and FundingClosed
Agri-Tech Innovation Initiative : Stream 2 – Agri-Tech Innovation
Supports agri-food innovation and efficiency
Grant and FundingExpert AdviceClosed
i.d.e.a. Fund
Funding and support for high potential businesses focusing on a sustainable and green recovery
Grant and FundingClosed
Ontario — Biosecurity Enhancement Initiative
Biosecurity Enhancement Initiative supports agriculture and food sector resiliency
Grant and FundingClosed
Climate and Equity Lab Grants
Supports community climate equity solutions for vulnerable populations
Grant and FundingClosed
Environment Fund Grant
Supports innovative community environmental management initiatives
Grant and FundingClosed
Smart Agriculture Living Lab Call for Proposal
Funding innovative smart agriculture solutions for industry challenges
Grant and FundingOpen
The Ontario Paper Thorold Foundation
Support for community health education social and environmental initiatives
Grant and FundingClosed
Durham Community Foundation Community Grants
Supports community initiatives aligned with local priorities
Grant and FundingClosed
Entrepreneurship and Innovation Fund – Stream 1
Support for inclusive entrepreneurship and innovation initiatives
Grant and FundingClosed
Corporate Community Investment Fund
Supports community initiatives in STEM, wellbeing, and conservation
Partnering and CollaborationGrant and FundingExpert AdviceOpen
Ontario Bioindustrial Innovation Network
Supports Ontario bioindustrial cluster growth
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