Tata Power Inks Mundra PPA, Eyes Expansion to 5 States

Introduction

Tata Power has formally executed a Supplementary Power Purchase Agreement (SPPA) with Gujarat Urja Vikas Nigam Limited (GUVNL) for its 4,000-megawatt Mundra Ultra Mega Power Project. This development, confirmed on March 24, 2026, follows the Gujarat state cabinet's approval and marks a critical step toward resuming stable, long-term operations at the imported coal-based plant. The company also announced its strategy to implement similar agreements with four other procuring states, setting a new operational blueprint for the facility.

Background of the Mundra Plant's Challenges

The Mundra power plant, a cornerstone of Tata Power's generation portfolio, has faced significant financial and operational headwinds for years. The core issue stemmed from its original 2007 PPA, which became unviable after Indonesia, the primary source of its imported coal, linked its domestic prices to international market rates in 2011. This change led to a sharp increase in fuel costs that could not be passed through under the old tariff structure.

These cost pressures resulted in the plant operating intermittently and incurring substantial losses. The situation was compounded in June of the previous year when the central government withdrew a special provision under Section 11 that had temporarily compensated imported coal-fired plants for higher input costs. This led to the plant's operations being suspended, making a revised PPA essential for its restart.

The Gujarat Agreement: A Path to Viability

After nearly four years of negotiations, the Gujarat government's approval of the SPPA provides a much-needed resolution. While specific financial details of the revised tariff have not been disclosed, the new agreement revises key commercial terms to address the cost pressures from imported coal. It is understood that the new tariff structure may be based on an agreed-upon coal index, allowing for a more dynamic and realistic pricing mechanism that reflects fuel costs. The formal execution of the agreement with GUVNL followed the issuance of a government order and the completion of regulatory formalities, as disclosed by Tata Power to the stock exchanges.

Multi-State Expansion Framework

The agreement with Gujarat serves as a blueprint for Tata Power's broader strategy for the Mundra plant. The company has confirmed it will execute similar supplementary PPAs with the four other states that procure power from the facility: Maharashtra, Rajasthan, Punjab, and Haryana. Gujarat holds the largest share of the plant's output, but securing agreements with all five states is crucial for operating the plant at its full capacity. Tata Power's CEO, Praveer Sinha, expressed confidence that these agreements could be finalized in the coming weeks, fully restoring the plant's operational framework.

Market Impact and Analyst Outlook

The resolution of the long-standing Mundra issue has been received positively by the market. The new SPPA is expected to provide operational stability, secure power supply for Gujarat ahead of peak summer demand, and allow Tata Power to begin recouping past losses, estimated to be around Rs 1,000 crore. The Mundra plant accounts for about a quarter of Tata Power's total generation capacity, making its stable operation critical to the company's financial health.

Reflecting this optimism, Motilal Oswal Securities Limited has maintained a 'Buy' rating on Tata Power with a target price of Rs 455. The brokerage highlighted the SPPA as a significant positive driver, alongside strong performance in the company's other business segments.

Key Details of the Mundra PPA Resolution

Conclusion

The execution of the supplementary PPA with Gujarat marks a significant milestone for Tata Power, providing a clear and viable path forward for the Mundra power plant. It resolves a complex issue that has impacted the company for over a decade. The next crucial step is the swift finalization of similar agreements with Maharashtra, Rajasthan, Punjab, and Haryana. Once completed, this five-state framework will enable the 4,000 MW plant to resume full-scale operations, contributing positively to Tata Power's performance and ensuring a stable power supply for millions of consumers across western and northern India.