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APTEL Upholds Integrity of Power Purchase Agreements for Wind Developer in Andhra Pradesh

Dec 24, 2024

The Appellate Tribunal for Electricity (APTEL) has issued a landmark ruling emphasizing the importance of upholding the terms of Power Purchase Agreements (PPAs) between power generators and distribution companies (discoms). In a recent order, APTEL overturned a decision made by the Andhra Pradesh Electricity Regulatory Commission (APERC) that allowed modifications to tariffs in the PPAs. This decision was significant for Green Infra Wind Solutions Limited, a wind energy developer, who was the affected party in this case.

Background of the Dispute

Green Infra Wind Solutions had signed PPAs with Andhra Pradesh discoms to supply wind energy at a firm levelized tariff of ?4.84 per unit for a duration of 25 years, as per the guidelines set by the APERC’s Generic Tariff Orders. These tariff orders were issued by APERC through two suo-motu generic tariff determinations, the first in 2015 and the second in 2016, which specified the rate of ?4.84 per unit for the entire operational life of the project.
In addition to the tariff, the agreements included a Generation-Based Incentive (GBI) of ?0.50 per unit provided by the Government of India to support wind energy projects. However, in 2018, APERC introduced an order that allowed the deduction of the GBI from the levelized tariff of ?4.84 per unit, a move that was contested by Green Infra Wind Solutions.
APTEL’s bench clarified that when APERC passed the generic tariff orders, it was already aware of the GBI incentive. The tribunal stressed that once a PPA is signed, it should not be altered except under exceptional circumstances. The current situation did not meet these conditions, and therefore, the PPA should remain intact as originally agreed. Furthermore, APTEL concluded that the GBI scheme, being a central government initiative, was not within the jurisdiction of state regulators like APERC.
As a result, APTEL disallowed the deduction of the GBI from the agreed tariff and ordered Andhra Pradesh’s discoms to refund the amount representing the GBI benefit, which had been illegally deducted. The refund must also include simple interest at a rate of 12% per annum and be completed within four months from the date of receipt of the order.

Importance of the Decision

This ruling is critical for reinforcing the sanctity of PPAs in India’s renewable energy sector. PPAs are long-term agreements that provide stability for both developers and discoms, and tampering with the terms can undermine investor confidence. APTEL’s decision serves as a reminder that any changes to these agreements must be carefully considered and must not compromise the rights of the power generators.
The judgment also underscores the importance of central government schemes like the GBI, which are designed to support renewable energy developers, ensuring that such incentives are fully passed on to the developers without state-level alterations.
This ruling comes at a time when renewable energy developers are looking for legal protection against arbitrary changes in tariffs and policy, and APTEL's stance strengthens the foundation for future energy projects in the country.

Conclusion

The APTEL ruling marks a significant moment in India’s renewable energy regulatory landscape, reinforcing the sanctity of PPAs and ensuring that the agreements made between energy producers and discoms are respected. It highlights the importance of legal frameworks in maintaining trust and stability in the renewable energy sector, especially for wind and solar developers.