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.

First Nations Community Building Retrofit Program

Expanded Energy Management Program

XLerate Program

FedNor Aerospace Regional Recovery Initiative

FedDev — Funding for southern Ontario
- From $125,000 to $10,000,000
- Manufacturing
- Information and cultural industries
- Professional, scientific and technical services
- Health care and social assistance

Regional Tariff Response Initiative (RTRI) — Southern Ontario

Artiste en résidence canadien en début de carrière dans le domaine de l'urbanisme

Food Safety and Growth Initiative

OVIN — Electric Vehicle (EV) — Stream 1

Home Renovation Savings Program

Eco-Roof Incentive Program

Small Business Program

Instant Discounts Program

Retrofit Program

Energy Performance Program

Remote First Nations Energy-Efficiency Program

FedDev Ontario — Funding for organizations that help businesses grow

Existing Building Commissioning program

Ventures at Coralus

APCHQ — Affordable Housing Innovation Fund

CFIN — Unpuzzling: Foodtech Ontario

Canada’s Next Sustainable Changemaker Challenge

Community Planting and Stewardship Grant

Neighbourhood Planting Program

Ontario Junior Exploration Program
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Northern Energy Advantage Program (NEAP)

Community Environmental Projects Grant Program (CEPGP)
Kingston Community Climate Action Fund (KCCAF)


Toronto — Capacity Buyback Program

High-Rise Retrofit Improvement Support Program (Hi-RIS)

Neighbourhood Climate Action Grants

Brownfields Redevelopment Program - Rehabilitation

City of Waterloo Community Improvement Plan (CIP)

Toronto Circular Food Innovators Fund

Water Capacity Buy-Back Program

Energy Retrofit Loans (ERL)
Nature and climate grant program

Taking Action on Tower Renewal Program (TATR)

Home Efficiency Rebate Plus (HER+)

Health and Safety Water Stream - Municipal Housing Infrastructure Program

Town of Halton Hills Recreation Financial Assistance

Regional Economic Growth Through Innovation & Southern Ontario Prosperity Program — Not-for-profit organizations

Forest Biomass Program — Exploring biomass pathways stream

Youth Climate Action Grants

Faithful Footprints Grant Program

Greening Partnership Grant

NRC — Hygrothermal performance of buildings testing facilities
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Sustainable Growth and Adoption Program (SGAP)

Forest Biomass Program — Modernization stream

The Accerta Health Access Foundation Grant

OTF — Seed Grant

Ontario Creates Industry Development Program
Community Impact Grant Program

Growing Canada’s Community Canopies (GCCC) - Urban Forestry Plans and Studies

VERGE Capital — Startup Fund

Participant Funding Program - Bruce Power Pressure Tubes Application

Home Energy Loan Program

NRC — Research Aircraft Fleet

Backwater Valve Installation Subsidy

Entrepreneurship and Innovation Fund (EIF) — Non-Profits that Serve Underrepresented Communities

CNSC Participant Funding Program - Regulatory Oversight Reports 2024

Ontario Transit Investment Fund (OTIF)

Managed Forest Tax Incentive Program

Federal Contaminated Sites Action Plan (FCSAP) - Phase V

Independent Electricity System Operator (IESO) - Grid Innovation Fund

Brownfields Redevelopment Program - Development Charge Deferral

Participant Funding Program - BWXT ITG Nuclear Facility Licence

Regional Economic Growth Through Innovation & Southern Ontario Prosperity Program

Ontario On-Farm Climate Action Fund (OFCAF)
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Forest Biomass Program — Innovative bioproduct manufacturing stream

Indigenous Economic Development Fund — Regional Partnership Grants Program

Heart of Georgian Bay Community Forward Fund

Brant Community Foundation - City of Brantford Community Grant Program

2025 City of Pembroke Private Property Tree Planting Incentive Program

Critical Minerals Innovation Fund

STEP Program

Indigenous Climate Action Grants

Caribou Conservation Stewardship Program (CCSP) 2025-26

Participant Funding Program - SRC SLOWPOKE-2 Reactor Licence Amendment

InTO the Ravines Grant

Participant Funding Program - Best Theratronics Processing Facility Licence Renewal

Schoolyard Tree Planting Grant Program

Sustainable New Agri-Food Products & Productivity Program — New Products
Low-income Energy Assistance Program (LEAP)

Water Efficient Technology (WET) Program

Sustainable New Agri-Food Products & Productivity Program — Clean Tech in Agri-Food

Entrepreneurship and Innovation Fund — Small Businesses or Entrepreneurs Developing Agri-tech and Cleantech Solutions

Site Readiness Program

Agri-Tech Innovation Initiative : Stream 1 – Agri-Tech Innovation
Future Generation Foundation Individual Call for Applications 2025-2026

EV ChargeON Program

thriveFORWARD
