The Income Tax Appellate Tribunal (ITAT) Chennai has ruled that the relevant market value for calculating deductions under Section 80IA of the Income Tax Act, concerning captive power consumption, must be based on the tariff charged to industrial consumers by the Tamil Nadu Electricity Board (TNEB), not the rate at which the company purchased power. This decision, delivered recently, clarifies a crucial point for businesses utilizing captive power generation and claiming tax benefits.
Understanding Section 80IA Deductions
Section 80IA of the Income Tax Act provides a deduction for profits and gains derived from certain infrastructure facilities, industrial undertakings, and enterprises engaged in the business of developing, maintaining, and operating such facilities. A key aspect for many businesses is the deduction related to the generation of power, particularly when they utilize a portion of this self-generated power for their own industrial operations (captive consumption).
The calculation of this deduction often hinges on determining the market value of the power consumed captively. This is necessary to correctly ascertain the profits attributable to the eligible business activity, distinguishing it from other business operations or costs.
The TNEB Case: Purchase Rate vs. Supply Rate
In the case heard by ITAT Chennai, a company was claiming a deduction under Section 80IA related to its power generation business. The company used a portion of the generated power for its own industrial activities. The dispute arose over how to determine the market value of this captively consumed power for the purpose of calculating the eligible deduction.
The company argued that the market value should be based on the rate at which it purchased power from TNEB. However, the tax authorities contended that the appropriate benchmark should be the tariff TNEB would have charged industrial consumers for such supply. This is because the company’s own power generation business is eligible for the 80IA deduction, and the value of its output (power) needs to be assessed on a comparable basis to an independent sale to a third-party industrial consumer.
ITAT Chennai’s Ruling and Rationale
The ITAT Chennai bench sided with the tax authorities, emphasizing that the ‘purchase rate’ is not reflective of the true market value for the purpose of Section 80IA. The tribunal reasoned that the deduction is intended for profits derived from the eligible business of power generation.
To correctly compute these profits, the value of the power supplied to its own industrial undertaking must be determined at a rate that represents what an independent industrial consumer would pay TNEB for a similar supply. This ‘consumer supply rate’ or tariff charged to industrial consumers by the state electricity board is considered the appropriate market value. Using the purchase rate would artificially lower the revenue attributable to the power generation business, thereby reducing the eligible deduction incorrectly.
Implications for Businesses
This ruling has significant implications for businesses that generate their own power (captive power) and are claiming deductions under Section 80IA. It clarifies that when valuing captively consumed power for deduction purposes, the benchmark should be the prevailing industrial tariff of the state electricity board, not the price at which the company might procure power from external sources or its own internal cost of generation if that cost is lower than the market rate.
Businesses that have claimed deductions based on their purchase rate may need to re-evaluate their calculations. Taxpayers should ensure their documentation and computation methods align with this ITAT Chennai ruling to avoid potential disputes with tax authorities. The decision underscores the importance of using an arm’s-length principle when valuing inter-unit transfers for tax deduction purposes.
The ruling provides a clear directive on the valuation methodology, promoting consistency in the application of Section 80IA. It is advisable for businesses to consult with tax professionals to understand the specific impact on their tax positions and ensure compliance with the latest interpretations of tax law.
Moving forward, taxpayers claiming Section 80IA benefits related to captive power consumption should meticulously adhere to the TNEB consumer supply rate as the benchmark for market value. This clarification is expected to streamline assessments and reduce litigation on this specific issue, although similar principles may be tested in other jurisdictions or for different types of captive consumption.

