Renewable energy is a strategic priority for India's energy security and climate goals. The Direct Tax Code (DTC) 2025 supports this priority through accelerated depreciation for renewable energy devices, with solar and other renewable energy categories eligible for depreciation at 40% — a rate significantly higher than the general 15% rate for plant and machinery. This guide analyses the depreciation schedule and eligibility conditions for renewable energy devices.
The Depreciation Framework for Renewable Energy
Section 33 — Deduction for Depreciation
Section 33 provides for deduction in respect of depreciation of tangible and intangible assets used for business or profession.
Method of Depreciation
Depreciation is calculated on the Written Down Value (WDV) method for block of assets.
Rate — 40%
Renewable energy devices are eligible for depreciation at the rate of 40% on the written down value.
Renewable Energy Devices — 40% Depreciation
Solar Energy Devices
Flat plate solar collectors and other solar energy devices are eligible for depreciation at 40%.
Other Renewable Energy Devices
The 40% depreciation rate applies to various renewable energy devices, including:
- Solar energy systems
- Wind energy systems
- Biomass energy systems
- Hydro energy systems
- Geothermal energy systems
- Tidal and wave energy systems
Complete Depreciation Rate Table
Renewable Energy Devices (40%)
| Category | Devices | Rate |
|---|---|---|
| Solar Energy | Flat plate solar collectors, solar photovoltaic systems, solar thermal systems | 40% |
| Wind Energy | Wind turbines, wind energy conversion systems | 40% |
| Biomass Energy | Biomass gasifiers, biogas plants, biomass combustion systems | 40% |
| Small Hydro | Small hydro power plants | 40% |
| Geothermal | Geothermal energy systems | 40% |
| Tidal/Wave | Tidal and wave energy conversion systems | 40% |
Comparison with General Plant and Machinery
| Asset Category | Depreciation Rate |
|---|---|
| General plant and machinery | 15% |
| Renewable energy devices | 40% |
Eligibility Conditions
1. Use for Business or Profession
The renewable energy device must be used for the purposes of the business or profession.
2. Owned by the Assessee
The device must be owned wholly or partly by the assessee.
3. Used During the Tax Year
The device must be used at any time during the tax year for the purposes of the business or profession.
Special Rules
Less than 180 Days — Section 33(4)
If an asset is acquired during the tax year and put to use for less than 180 days, the deduction shall be restricted to 50% of the prescribed rate (i.e., 20% instead of 40%).
Additional Depreciation
Additional depreciation of 20% (or 10% if used for less than 180 days) is available for new machinery or plant acquired and installed by an assessee engaged in the business of manufacture or production of any article or thing.
Partial Use
If any building, machinery, plant or furniture is partly used for the purposes of the business or profession, the deduction shall be restricted to the fair proportionate part thereof.
Investment in Renewable Energy — Tax Benefits
1. Accelerated Depreciation
The 40% accelerated depreciation rate provides significant front-loaded tax benefits, reducing taxable income substantially in the year of investment.
2. Additional Depreciation
Additional depreciation of 20% (or 10%) is available on new machinery and plant, further enhancing the tax benefits.
3. Section 80-IA/80-IAB Deductions
Eligible renewable energy projects may also qualify for profit-linked deductions under Section 80-IA (infrastructure) or Section 80-IAB (SEZ developers).
Practical Compliance
1. Identify Eligible Devices
- Determine whether the device falls within the renewable energy category
- Ensure the device is used for the purposes of the business or profession
2. Calculate Depreciation
- Calculate depreciation at 40% on the written down value
- Apply the 50% rule if the device was used for less than 180 days
- Claim additional depreciation if applicable
3. Maintain Records
- Maintain records of device acquisition
- Maintain records of depreciation calculations
- Maintain records of usage
4. Claim Depreciation
- Claim depreciation in the tax return
- Ensure the claim is supported by proper documentation
Consequences of Non-Compliance
Disallowance of Depreciation
If the depreciation is incorrectly claimed:
- The deduction may be disallowed
- Income may be recomputed
- Interest and penalty may be levied
Penalty
Non-compliance may result in penalty under Section 439 for under-reporting of income.
Expert Legal Guidance
Anuj Desai & Associates provides comprehensive legal advisory services on renewable energy depreciation. Our direct tax experts help renewable energy investors and developers understand the depreciation rules, calculate depreciation correctly, and navigate the regulatory framework. We assist in depreciation computation, compliance review, and representation before income-tax authorities.
Disclaimer: This article provides general information and does not constitute legal advice. For specific guidance on renewable energy depreciation or any other direct tax matter, please consult qualified legal professionals.
Need Expert Legal Guidance?
Navigating the complex renewable energy depreciation framework requires experienced legal counsel. At Anuj Desai & Associates, we provide comprehensive direct tax advisory services, including:
- Depreciation Computation: Assistance with accurate depreciation calculation
- Device Classification: Guidance on eligible device classification
- Compliance Review: Review of depreciation compliance
- Representation: Representation before income-tax authorities
Contact us for expert legal guidance on your renewable energy depreciation matters.