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

Loans and Capital investmentsOpen
Energy Retrofit Loans (ERL)
City of Toronto
Low-interest financing for energy-efficient building retrofits in Toronto
Toronto, Ontario, Canada
Eligible Funding
- Up to 100% of project cost
Eligible Industries
- Manufacturing
- Retail trade
- Real estate and rental and leasing
- Professional, scientific and technical services
Types of eligible projects
TechnologyEnvironment and Climate
Toronto, Ontario, Canada
Grant and FundingClosed
Water Softener Plumbing Rebate Program
Region of Waterloo
Hot water softener plumbing rebate for homeowners
Ontario, Canada
Eligible Funding
- From $50 to $50
Eligible Industries
- Construction
Types of eligible projects
Environment and ClimateConstruction and Renovation
Ontario, Canada
Grant and FundingArchived
Aboriginal Participation Fund (APF) — Values mapping and related projects
Government of Ontario, Ministry of Mines in Ontario
Supports consultation capacity for Indigenous communities
Ontario, Canada
Eligible Funding
- Maximum amount : 60,000 $
- Up to 80% of project cost
Eligible Industries
- Mining, quarrying, and oil and gas extraction
Types of eligible projects
Environment and ClimateHuman Resources
Ontario, Canada
Other SupportGrant and FundingClosed
Beaver Bounty and Coyote/Wolf Compensation Programs (Grey County via City of Owen Sound)
Grey County, City of Owen Sound
Compensation for nuisance wildlife removal
Owen Sound, Ontario, Canada
Eligible Funding
- From $25 to $50
Eligible Industries
- Agriculture, forestry, fishing and hunting
Types of eligible projects
Environment and Climate
Owen Sound, Ontario, Canada
Partnering and CollaborationGrant and FundingExpert AdviceClosed
The aquahacking challenge
Great Lakes and St. Lawrence Cities Initiative (GLSLCI), AQUAACTION
Free water innovation program with seed funding
Canada
Eligible Funding
- Maximum amount : 70,000 $
Eligible Industries
- Professional, scientific and technical services
- Educational services
Types of eligible projects
CommercializationArtificial Intelligence (AI)TechnologyEnvironment and ClimateInnovationDigital Transformation
Canada
Grant and FundingClosed
OTF — Seed Grant
Ontario Trillium Foundation (OTF)
Build capacity and resilience for delivering impactful community programs and services
Ontario, Canada
Eligible Funding
- From $10,000 to $100,000
Eligible Industries
- Health care and social assistance
- Arts, entertainment and recreation
- Other services (except public administration)
- Public administration
Types of eligible projects
Environment and ClimateHuman ResourcesDigital Transformation
Ontario, Canada
Grant and FundingClosed
Participant Funding for Cameco Fuel Manufacturing Inc. Licence Renewal Application
Canadian Nuclear Safety Commission (CNSC)
Funding for public participation in a licence renewal review
Ontario, Canada
Eligible Funding
- Maximum amount : 75,000 $
Eligible Industries
- Manufacturing
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingClosed
Low Income Seniors and Low Income Persons with a Disability – Water Relief Program
City of Kawartha Lakes
Water bill credit for eligible seniors and persons with disabilities
Kawartha Lakes, Ontario, Canada
Eligible Funding
- Up to 20% of project cost
Eligible Industries
- Utilities
Types of eligible projects
Environment and Climate
Kawartha Lakes, Ontario, Canada
Other SupportGrant and FundingClosed
Sewer Lateral (pipe) Lining and Repair Subsidy
Halton Region (HATCH)
Funding for sanitary sewer lateral repair
Ontario, Canada
Eligible Funding
- Maximum amount : 4,000 $
- Up to 50% of project cost
Eligible Industries
- Construction
Types of eligible projects
Environment and ClimateConstruction and Renovation
Ontario, Canada
Grant and FundingClosed
Community Vibrancy Fund Large Projects
Municipality of Lambton Shores
Funding for community capital projects in Lambton Shores
Ontario, Canada
Eligible Funding
- Up to 33% of project cost
Eligible Industries
- Arts, entertainment and recreation
Types of eligible projects
Environment and ClimateConstruction and Renovation
Ontario, Canada
Grant and FundingClosed
Smart Agriculture Living Lab Call for Proposal
Centre of Excellence in Next Generation Networks (CENGN)
Funding innovative smart agriculture solutions for industry challenges
Ontario, Canada
Eligible Funding
- Maximum amount : 100,000 $
- Up to 50% of project cost
Eligible Industries
- Agriculture, forestry, fishing and hunting
Types of eligible projects
Artificial Intelligence (AI)TechnologyEnvironment and ClimateInnovationDigital Transformation
Ontario, Canada
Grant and FundingOpen
Heart of Georgian Bay Community Forward Fund
Huronia Community Foundation
Supports innovative community projects with measurable regional impact
Ontario, Canada
Eligible Funding
- Maximum amount : 20,000 $
Eligible Industries
- Educational services
- Health care and social assistance
- Arts, entertainment and recreation
- Other services (except public administration)
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingClosed
Great Lakes Freshwater Ecosystem Initiative — Restoring Areas of Concern
Government of Canada
Supports restoration projects in Great Lakes Areas of Concern
Ontario, Canada
Eligible Funding
- Up to 100% of project cost
Eligible Industries
- Construction
- Professional, scientific and technical services
- Administrative and support, waste management and remediation services
- Educational services
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingClosed
Scholarships of Queen Elizabeth II
Universities Canada, Red Deer Regional Health Foundation (RDRHF)
International scholarship support for universities
West Elgin, Ontario, Canada
Eligible Funding
- Maximum amount : 300,000 $
Eligible Industries
- Educational services
Types of eligible projects
Environment and Climate
West Elgin, Ontario, Canada
Grant and FundingTax CreditsLoans and Capital investmentsClosed
Community Improvement Plan (CIP) – 2023 Intake
Town of Cobourg
Incentives for housing and downtown revitalization
Cobourg, Ontario, Canada
Eligible Funding
- Maximum amount : 100,000 $
- Up to 100% 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 ClimateConstruction and Renovation
Cobourg, Ontario, Canada
Grant and FundingClosed
Participant Funding Program - CNSC Regulatory Oversight Report for Canadian Nuclear Power Plants: 2015
Canadian Nuclear Safety Commission (CNSC)
Supports public input on nuclear oversight
Ottawa, Ontario, Canada
Eligible Funding
- Maximum amount : 35,000 $
Eligible Industries
- Professional, scientific and technical services
Types of eligible projects
Environment and Climate
Ottawa, Ontario, Canada
Other SupportGrant and FundingTax CreditsLoans and Capital investmentsClosed
Petawawa Community Improvement Plan (CIP)
Town of Petawawa
Funding for Petawawa commercial property improvements
Petawawa, Ontario, Canada
Eligible Funding
- Maximum amount : 7,500 $
- Up to 50% of project cost
Eligible Industries
- Construction
- Retail trade
- Real estate and rental and leasing
- Professional, scientific and technical services
Types of eligible projects
Environment and ClimateConstruction and Renovation Digital Transformation
Petawawa, Ontario, Canada
Partnering and CollaborationGrant and FundingClosed
Participant Funding Program - Darlington Nuclear Generating Station Licence Renewal
Canadian Nuclear Safety Commission (CNSC)
Support for public participation in Darlington licence review
Ontario, Canada
Eligible Funding
- Maximum amount : 100,000 $
Eligible Industries
- Public administration
Types of eligible projects
Environment and Climate
Ontario, Canada
Other SupportClosed
Water and Wastewater Rebate for Seniors Program
Township of Leeds and the Thousand Islands
Rebate for eligible seniors’ water and wastewater charges
Lansdowne, Ontario, Canada
Eligible Funding
- Varies by project
Eligible Industries
- Public administration
Types of eligible projects
Environment and Climate
Lansdowne, Ontario, Canada
Other SupportClosed
Medical Exemption for Free Garbage Bag Allotment
Township of Edwardsburgh Cardinal
Free garbage bags for eligible residents
Ontario, Canada
Eligible Funding
- Maximum amount : 52 $
Eligible Industries
- Public administration
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingClosed
Canopy Collingwood Bees & Trees
Town of Collingwood
Rebates for private-property trees and pollinator gardens
Collingwood, Ontario, Canada
Eligible Funding
- Maximum amount : 150 $
- Up to 50% of project cost
Eligible Industries
- Real estate and rental and leasing
Types of eligible projects
Environment and Climate
Collingwood, Ontario, Canada
Other SupportGrant and FundingTax CreditsClosed
Stormwater Financing Program
City of Windsor
Stormwater cost relief for Windsor properties
Windsor, Ontario, Canada
Eligible Funding
- Maximum amount : 120 $
- Up to 50% of project cost
Eligible Industries
- Construction
- Manufacturing
- Wholesale trade
- Retail trade
Types of eligible projects
Environment and ClimateConstruction and Renovation
Windsor, Ontario, Canada
Grant and FundingClosed
Infiltration and Inflow Program
Tay Township
Rebates for water-saving home upgrades
Ontario, Canada
Eligible Funding
- Maximum amount : 250 $
Eligible Industries
- Utilities
- Administrative and support, waste management and remediation services
Types of eligible projects
Environment and ClimateConstruction and Renovation
Ontario, Canada
Grant and FundingClosed
Community Planting and Stewardship Grant
City of Toronto
Supports tree planting and stewardship initiatives on Toronto private land
Toronto, Ontario, Canada
Eligible Funding
- From $5,000 to $100,000
- Up to 50% of project cost
Eligible Industries
- Educational services
- Health care and social assistance
- Other services (except public administration)
- Public administration
Types of eligible projects
Environment and Climate
Toronto, Ontario, Canada
Grant and FundingTax CreditsClosed
Community Improvement Plan for Villages
Township of Rideau Lakes
Funding for village property improvement projects
Ontario, Canada
Eligible Funding
- Maximum amount : 10,000 $
- Up to 80% of project cost
Eligible Industries
- Construction
- Retail trade
- Real estate and rental and leasing
- Accommodation and food services
Types of eligible projects
Environment and ClimateConstruction and Renovation Innovation
Ontario, Canada
Grant and FundingClosed
Municipality of Northern Bruce Peninsula – 2026 Municipal Funding Policy
Municipality of North Bruce Peninsula
Local funding for community-focused projects
Ontario, Canada
Eligible Funding
- Maximum amount : 2,000 $
Eligible Industries
- Educational services
- Health care and social assistance
- Arts, entertainment and recreation
- Other services (except public administration)
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingClosed
Rural Innovation Fund (RIF)
Northwestern Ontario Innovation Centre (NOIC)
Supports rural Northwestern Ontario communities adopting innovative solutions
Ontario, Canada
Eligible Funding
- Maximum amount : 10,000 $
Eligible Industries
- All industries
Types of eligible projects
TechnologyEnvironment and ClimateInnovation
Ontario, Canada
Grant and FundingOpen
Rain Ready Ottawa
City of Ottawa
Supports Ottawa residents with sustainable rainwater management solutions
Ottawa, Ontario, Canada
Eligible Funding
- Maximum amount : 5,000 $
Eligible Industries
- All industries
Types of eligible projects
Environment and Climate
Ottawa, Ontario, Canada
Other SupportGrant and FundingLoans and Capital investmentsClosed
Community Improvement Plan (CIP) - Affordable Housing and Sustainable Design
City of Richmond Hill
Funding for affordable, sustainable rental housing
Richmond Hill, Ontario, Canada
Eligible Funding
- Maximum amount : 150,000 $
Eligible Industries
- Construction
- Real estate and rental and leasing
- Public administration
Types of eligible projects
Environment and ClimateConstruction and Renovation
Richmond Hill, Ontario, Canada
Grant and FundingClosed
Rural Water Financial Assistance Program
County of Brant
Cost-share funding for rural water quality projects
Ontario, Canada
Eligible Funding
- Maximum amount : 10,000 $
- Up to 100% of project cost
Eligible Industries
- Agriculture, forestry, fishing and hunting
Types of eligible projects
Environment and Climate
Ontario, Canada
Grant and FundingLoans and Capital investmentsClosed
Financial Incentives (Community Grants, CIP, Event Tourism Grants)
Town of Bracebridge
Funding for Bracebridge community and property improvements
Bracebridge, Ontario, Canada
Eligible Funding
- Maximum amount : 15,000 $
- Up to 50% of project cost
Eligible Industries
- Construction
- Manufacturing
- Retail trade
- Real estate and rental and leasing
Types of eligible projects
Environment and ClimateConstruction and Renovation
Bracebridge, Ontario, Canada
Other SupportTax CreditsClosed
Tax Incentive and Rebate Programs
Township of Scugog
Property tax relief for eligible Ontario landowners
Port Perry, Ontario, Canada
Eligible Funding
- Maximum amount : 375 $
- Up to 100% of project cost
Eligible Industries
- Agriculture, forestry, fishing and hunting
- Real estate and rental and leasing
Types of eligible projects
Environment and Climate
Port Perry, Ontario, Canada
Grant and FundingClosed
Soldier On Grant Program
Soldier On
Supports active living through equipment funding
Ontario, Canada
Eligible Funding
- Maximum amount : 750 $
Eligible Industries
- Arts, entertainment and recreation
- Public administration
Types of eligible projects
Environment and ClimateInnovation
Ontario, Canada
Grant and FundingClosed
Wolf and Coyote Control By-law and Nuisance Beaver By-law
Grey County
Compensation for wildlife control services
Markdale, Owen Sound, Ontario
Eligible Funding
- From $25 to $50
Eligible Industries
- Agriculture, forestry, fishing and hunting
Types of eligible projects
Environment and Climate
Markdale, Owen Sound, Ontario
Grant and FundingClosed
Taxi Scrip Program
City of Hamilton
Subsidized taxi fares for accessible travel
Hamilton, Ontario, Canada
Eligible Funding
- Maximum amount : 40 $
- Up to 40% of project cost
Eligible Industries
- Transportation and warehousing
Types of eligible projects
Environment and Climate
Hamilton, Ontario, Canada
Grant and FundingOpen
The Ontario Paper Thorold Foundation
Abitibi Consolidated Thorold Foundation
Support for community health education social and environmental initiatives
Ontario, Canada
Eligible Funding
- Varies by project
Eligible Industries
- Educational services
- Health care and social assistance
Types of eligible projects
Environment and ClimateConstruction and Renovation
Ontario, Canada
Partnering and CollaborationGrant and FundingExpert AdviceArchived
Ontario Bioindustrial Innovation Network
Bioindustrial Innovation Canada (BIC)
Supports Ontario bioindustrial cluster growth
Ontario, Canada
Eligible Funding
- Maximum amount : 1,000,000 $
Eligible Industries
- Manufacturing
- Professional, scientific and technical services
Types of eligible projects
CommercializationTechnologyEnvironment and Climate
Ontario, Canada