SOUTHERN POWER DISTRIBUTION COMPANY OF ANDHRA PRADESH LIMITED v. GREEN INFRA WIND SOLUTIONS LIMITED
Regulatory Commissions' Exclusive Jurisdiction in Tariff Determination and the Collaborative Obligation to Preserve the Policy Intent of Government-Funded Generation Based Incentives.
Court: Supreme Court of India
Citation: 2026 INSC 294
Decision Date: 25-03-2026
List of Laws
The Electricity Act, 2003; APERC (Terms and Conditions for Tariff Determination for Wind Power Projects) Regulations, 2015; Constitution of India, Articles 112, 114, and 282; General Clauses Act, 1897; Administrative Law - Regulatory Autonomy and Governance
- Facts: The Ministry of New and Renewable Energy (MNRE) introduced a Generation Based Incentive (GBI) scheme in 2009 to provide wind power producers ₹0.50 per unit of electricity as a performance-linked benefit "over and above" the approved tariff. In 2015, the Andhra Pradesh Electricity Regulatory Commission (APERC) notified Tariff Regulations, where Regulation 20 mandated that the Commission "shall take into consideration" any incentive or subsidy offered by the Government. While initially excluding GBI from tariff orders, APERC later allowed a petition by DISCOMs (distribution companies) to deduct GBI amounts from the monthly bills payable to GENCOs (generating companies). The GENCOs challenged this deduction before the Appellate Tribunal for Electricity (APTEL).
- Procedural Posture: The APTEL set aside the APERC's order, ruling that the Commission could not amend levelized tariffs for 25-year Power Purchase Agreements (PPAs) at the mere asking of DISCOMs. It held that GBI was a discretionary factor and not a mandatory deduction. The appellant DISCOMs then approached the Supreme Court of India via the present Civil Appeal.
- Issue: Whether a State Electricity Regulatory Commission (SERC), while exercising its exclusive power to determine tariff, has the jurisdiction to factor in GBI granted by the Union Government, and if so, whether such consideration must result in a mandatory deduction from the tariff?
- Holding: Yes, the SERC has the power to consider GBI; however, it cannot treat it as a mandatory deduction that nullifies the incentive's purpose. The Court dismissed the appeal, holding that GBI is intended to be disbursed to GENCOs "over and above" the tariff to subserve national policies on renewable energy.
- Reasoning: The Court reasoned that the Electricity Act, 2003, is a complete code, making tariff determination the "exclusive province" of Regulatory Commissions. Plenary power over tariff remains with the Commission regardless of Central grants under Article 282 of the Constitution. However, the Court distinguished between "considering" an incentive and "deducting" it. Under Regulation 20, "taking into consideration" does not mechanically translate to a mandatory deduction. Regulatory power must be exercised as a "collaborative enterprise" that respects the underlying objective of policy-driven incentives. Since GBI was designed as a generator-focused incentive to promote energy security and climate goals (including India's NDC commitments), deducting it from the tariff would subvert the Union Government's policy intent and treat a generator incentive as a consumer subsidy.
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