Income Tax

Selling Carbon Credits: How Is the Income Taxed for Indian Businesses?

CA Nikhil Gupta·June 2026·5 min readIncome Tax

Reviewed by CA Nikhil Gupta · Last reviewed 17 June 2026

A manufacturing unit that invests in cleaner technology, a renewable energy project, or a forestry initiative can generate carbon credits, tradable certificates representing a reduction in greenhouse gas emissions, which can then be sold to other entities looking to offset their own emissions. For the business generating and selling these credits, a specific question arises: how is this income taxed?

Carbon Credits: A By-Product, Not the Main Business Activity

The key distinction: For most businesses that earn income from selling carbon credits, generating carbon credits is not their core business activity (a power company's core activity is generating power; a manufacturer's core activity is manufacturing). The carbon credits arise as a by-product of adopting emission-reducing practices or technologies, and are then sold separately in the carbon credit market. This distinction, between the business's main income-generating activity and the carbon credit sale as a separate, incidental transaction, has been important in how this income has been characterised for tax purposes.

A Specific Concessional Rate for Carbon Credit Income

Recognising the distinct nature of carbon credit income (as a by-product of environment-friendly practices, intended to incentivise such practices rather than be taxed at full business rates), a specific provision provides that income from the transfer of carbon credits is taxable at a concessional flat rate, with no deduction in respect of any expenditure or allowance allowed against such income, reflecting a policy choice to tax this income at a lower, simplified rate compared to regular business profits.

Worked Example

Why This Matters for Renewable Energy and Manufacturing Businesses

Businesses in sectors where carbon credit generation is increasingly common, renewable energy, certain manufacturing processes with emission-reduction retrofits, forestry and afforestation projects, should separately identify and account for income from carbon credit sales, given its distinct tax treatment (concessional flat rate, no expense deductions) compared to their regular business income (taxed under normal provisions, with the usual expense deductions available).

What If Trading in Carbon Credits Is the Core Business?

The concessional treatment described here has generally been understood in the context of carbon credits arising as a by-product of a business's other activities. An entity whose core business is itself the trading or origination of carbon credits (rather than credits arising incidentally from another primary activity) may present a different fact pattern, where the characterisation of such income could be approached differently; this distinction between 'by-product' and 'core business' income is a key factual determination.

GST on Carbon Credits

Separately from income tax, the sale of carbon credits has its own GST treatment, which is a distinct compliance consideration from the income tax treatment of the sale proceeds discussed here.

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Generating and selling carbon credits as part of your business operations?This income has a distinct, concessional tax treatment.

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Frequently Asked Questions

Does the concessional rate for carbon credit income apply to individuals as well as companies? ▼

The provision for taxing income from the transfer of carbon credits at a concessional flat rate, with no expense deductions, applies to the income itself regardless of the type of assessee, so it can be relevant to any person (individual, company, or other entity) earning income from the transfer of carbon credits, provided the income falls within the scope of this specific provision (broadly, carbon credits arising as a by-product of a business activity).

If my business incurs significant costs to generate carbon credits (such as investment in cleaner equipment), can those costs be deducted against the carbon credit sale income? ▼

The specific provision for carbon credit transfer income states that no expenditure or allowance is to be allowed against such income. However, the underlying capital expenditure on equipment or technology that helps generate carbon credits would typically also serve the business's main operations and may be eligible for depreciation or other deductions in the normal course of computing the business's regular income, separate from the carbon credit sale proceeds themselves.

Is income from carbon credits reported separately in the tax return, or combined with regular business income? ▼

Given its distinct concessional tax treatment, income from the transfer of carbon credits would need to be identified and reported separately from regular business income in the tax return, so that it can be taxed at the applicable concessional rate rather than being combined with and taxed as part of the regular business profits at normal rates.

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Primary category: Income Tax
Official starting point: www.incometax.gov.in

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