How much are Canadian tax credits worth for businesses and clean technology?

By GrantHub Research Team · · Lire en français

How much are Canadian tax credits worth for businesses and clean technology?

Canadian tax credits can be worth a lot for eligible businesses. Some credits are worth thousands of dollars, while others can reach into the millions. The amount depends on the program, your province, and what you invest in. For clean technology and environmental improvements, credits often cover 20% to 45% of eligible costs. Some programs have no fixed funding cap. Knowing the real dollar value helps you decide if a project is worth starting now.

Below is a clear breakdown of what Canadian tax credits are actually worth, with a focus on clean technology and the air quality improvement tax credit.


What Canadian business tax credits really pay back

A tax credit lowers the income tax your business owes. Some are refundable, which means you can get cash back even if you owe little or no tax. Others are non‑refundable and only reduce the tax you need to pay.

Here are real examples Canadian businesses use today.

Air Quality Improvement Tax Credit (Federal)

The Air Quality Improvement Tax Credit was a short-term federal credit. It helped businesses improve indoor air quality during COVID‑19.

What it was worth

  • 25% refundable tax credit on eligible expenses
  • Up to $10,000 per location
  • Maximum $50,000 per corporation

Eligible expenses

  • HVAC system upgrades
  • Ventilation improvements
  • HEPA air filtration units

Key eligibility rules

  • Only Canadian corporations could claim it
  • Expenses had to be made between September 1, 2021 and December 31, 2022
  • Claimed on the T2 corporate tax return

This credit is closed for new expenses, but it is a good example. It shows how federal tax credits can give back real cash, not just tax deductions.

Tools like GrantHub’s eligibility matcher can help you check if similar environmental or clean technology credits apply to your current projects.


Clean Technology Manufacturing Investment Tax Credit (Federal)

This is one of the most valuable federal incentives for clean tech businesses today.

What it’s worth

  • 30% refundable investment tax credit
  • No stated maximum funding cap
  • Applies to qualifying capital costs

What qualifies

  • New, unused machinery and equipment
  • Clean technology manufacturing or processing
  • Critical mineral extraction and processing
  • Equipment must be used exclusively in Canada

Who can apply

  • Taxable Canadian corporations
  • Includes corporations that are members of partnerships

For clean tech manufacturers, this credit can be worth hundreds of thousands of dollars or more on a single expansion project.


Ontario Innovation Tax Credit (Provincial)

This credit supports businesses doing R&D in Ontario, including clean technology development.

What it’s worth

  • 8% refundable tax credit
  • Up to $240,000 per year
  • Based on eligible R&D expenditures

Who qualifies

  • Corporations with a permanent establishment in Ontario
  • Must claim federal SR&ED
  • Credit is reduced once taxable income exceeds $500,000

This credit can be combined with federal SR&ED and clean tech incentives. This increases the total return on innovation spending.


Employee Share Purchase Tax Credit (Manitoba)

This credit is not just for clean tech, but shows how valuable provincial credits can be.

What it’s worth

  • 45% partially refundable tax credit
  • For employees buying shares through a registered ESOP

For Manitoba-based manufacturers or clean tech firms planning succession, this can reduce financing pressure.


Training Tax Credit for Employers (British Columbia)

Clean technology firms hiring skilled trades often use this credit.

What it’s worth

  • 20% to 50% of eligible apprentice wages
  • Up to $6,000 per apprentice

This credit helps lower labour costs during growth.


Common mistakes to avoid

Assuming all tax credits are refundable
Many credits only reduce tax payable. Refundable credits, like clean economy ITCs, are usually more valuable for early-stage firms.

Missing the expense window
Credits like the air quality improvement tax credit only applied to a specific date range. Spending outside that window means the cost is not eligible.

Not stacking federal and provincial credits
Clean technology projects often qualify for both. Missing one means you lose out on extra funding.

Forgetting documentation
CRA and provinces expect invoices, asset details, and proof of use. Missing paperwork can reduce or deny your claim.


Frequently Asked Questions

Q: How much are Canadian clean technology tax credits worth in total?
For capital-intensive projects, combined federal and provincial credits can cover 30% to 50% of eligible costs, depending on location and activity.

Q: Is the air quality improvement tax credit still available?
No. Eligible expenses had to be incurred between September 1, 2021 and December 31, 2022. Corporations can still file amended returns if they missed it.

Q: Are tax credits better than grants?
Tax credits are more predictable and often larger for capital spending. Grants usually involve competitive applications and capped funding.

Q: Can small businesses claim clean tech tax credits?
Yes, if they are taxable Canadian corporations and meet equipment and use requirements.

Q: Do tax credits affect other funding programs?
They can. Some grants reduce eligible costs for tax credits, so coordination matters.

GrantHub tracks active federal and provincial tax credits and grants across Canada. You can check which ones match your business profile.


Next steps

Canadian tax credits can be worth much more than most businesses expect, especially for clean technology and environmental upgrades. The key is knowing which credits apply before you spend.

If you are planning an equipment purchase, facility upgrade, or clean tech expansion, GrantHub helps you compare tax credits and grants side-by-side. This lets you make decisions with real numbers.

See also:

  • What Business Expenses Are Eligible Across Canadian Grants and Loans
  • How Long Do Canadian Grant Programs Take to Pay Out Funds?
  • Federal vs Provincial Workforce Training Grants: What Canadian Employers Should Use

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