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Clean Technology Funding in Ontario: Top Grants and Programs 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.

512 programs
  • National Research Council Canada (NRC) logo
    Researchers And FacilitiesPartnering and CollaborationUnknown

    NRC — Large Wave Flume - Research Facility

    National Research Council Canada (NRC)
    Large-scale coastal testing and wave simulation facility
    Eligible Funding
    Varies by project
    Eligible Industries
    Construction, Manufacturing, Transportation and warehousing, Professional, scientific and technical services
    Types of eligible projects
    InnovationEnvironment and ClimateConstruction and Renovation
    Legal Structure
    For-profit business
    Ottawa, Ontario, Canada
  • Town of Petawawa logo
    Grant and FundingUnknown

    Petawawa Green Initiatives Grant

    Town of Petawawa
    Supports business sustainability improvements
    Eligible Funding
    Maximum amount : 5,000 $ · Up to 50% of project cost
    Eligible Industries
    Real estate and rental and leasing
    Types of eligible projects
    Environment and ClimateConstruction and Renovation
    Legal Structure
    For-profit business
    Ontario, Canada
  • City of Burlington logo
    Grant and FundingUnknown

    Plumbing Permit Fee Grant Program

    City of Burlington
    Home flood prevention fee support
    Eligible Funding
    Varies by project
    Eligible Industries
    Construction
    Types of eligible projects
    Environment and ClimateConstruction and Renovation
    Legal Structure
    Non-profit
    Burlington, Ontario, Canada
  • Save on Energy (SOE) logo
    Grant and FundingUnknown

    Retrofit Program - Agriculture Incentives

    Save on Energy (SOE)
    Energy-saving equipment upgrades for businesses
    Eligible Funding
    Maximum amount : 250,000 $ · Up to 50% of project cost
    Eligible Industries
    Agriculture, forestry, fishing and hunting
    Types of eligible projects
    InnovationEnvironment and ClimateConstruction and Renovation
    Ontario, Canada

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  • Town of Oakville logo
    Grant and FundingUnknown

    Street Tree Partnership Program

    Town of Oakville
    Support for resident street tree replacement
    Eligible Funding
    Maximum amount : 300 $
    Eligible Industries
    All industries
    Types of eligible projects
    Environment and Climate
    Legal Structure
    Public or Parapublic institution
    Oakville, Ontario, Canada
  • City of Toronto logo
    Grant and FundingUnknown

    Toronto — Capacity Buyback Program

    City of Toronto
    Rewards businesses for implementing permanent water-saving measures
    Eligible Funding
    Varies by project
    Eligible Industries
    Manufacturing, Wholesale trade, Retail trade, Educational services
    Types of eligible projects
    Environment and Climate
    Legal Structure
    Non-profit, Sole proprietorship, Public or Parapublic institution, For-profit business
    Toronto, Ontario, Canada
  • Town of New Tecumseth logo
    Grant and FundingUnknown

    Urban Forest Enhancement Rebate Program

    Town of New Tecumseth
    Rebates for private tree care and planting
    Eligible Funding
    Maximum amount : 250 $ · Up to 50% of project cost
    Eligible Industries
    All industries
    Types of eligible projects
    Environment and Climate
    New Tecumseth, Ontario, Canada
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  • City of Hamilton logo
    Other SupportUnknown

    Wastewater Abatement Program

    City of Hamilton
    Reduce wastewater charges based on sewer use
    Eligible Funding
    Varies by project
    Eligible Industries
    Utilities, Construction, Manufacturing, Wholesale trade
    Types of eligible projects
    Environment and Climate
    Legal Structure
    For-profit business
    Hamilton, Ontario, Canada
  • Canadian TREE Fund (CTF) logo
    Grant and FundingUnknown

    Wenda Li Ontario Tree Climbing Championship Bursary

    Canadian TREE Fund (CTF)
    Support for first-time women tree climbing competitors
    Eligible Funding
    From $400 to $400
    Eligible Industries
    Arts, entertainment and recreation
    Types of eligible projects
    Environment and Climate
    Legal Structure
    Non-profit
    Ontario, Canada