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Transformative India–Bhutan Power Alliance Driving Growth
Transformative India–Bhutan Power Alliance Driving Growth
Transformative India–Bhutan Power Alliance Driving Growth

Energy & Sustainability

India-Bhutan Power Alliance: Strengthening Punatsangchhu Projects and Cross-Border Transmission

South Asia’s energy environment is undergoing a transformation as India and Bhutan reinforce their longstanding “hydro-diplomacy.” On February 3, 2026, high-level ministerial meetings in New Delhi indicated a new chapter in bilateral energy relations.

The meeting between Bhutan’s Minister of Energy and Natural Resources, Lyonpo Gem Tshering, and India’s Union Minister of Power, Manohar Lal, was not a regular diplomatic exchange. It was a strategic roadmap aimed at ensuring energy security for both countries for the following decade.



The Power of Punatsangchhu Twin Projects

The Punatsangchhu-I and Punatsangchhu-II projects are key to the present talks. These gigantic engineering marvels along the Punatsangchhu River are the apex of modern bilateral collaboration. While one is celebrating recent operational success, the other is being pushed to overcome historical obstacles.


Optimizing Punatsangchhu II

The 1,020 megawatt Punatsangchhu-II project is a recent success story. After being completely commissioned in August 2025, the effort has switched to “commercial optimization.” Both countries are collaborating to ensure that the 4.3 billion units of electricity generated each year are efficiently integrated into the Indian system. This project alone increased Bhutan’s total power capacity by around 40%.


Fast-tracking Punatsangchhu-I

The 1,200 MW Punatsangchhu-I project has faced a number of geological obstacles over the years. However, the February 2026 talks focused on a “early commissioning” strategy. India and Bhutan hope to bring this massive project online as soon as possible by stabilizing the dam structures and implementing modern engineering technologies. Once operational, it will be the country’s largest hydropower project, generating huge revenue for Bhutan’s Royal Government.


Strategic Cross-border Transmission Planning

Energy is only as useful as the wires that transport it. A substantial chunk of the recent discussion focused on the “Transmission Infrastructure Plan 2040.” This long-term goal assures that as further mega-projects are completed, the physical connectivity between the two countries remains strong and expandable.


Grid Integration and Stability

The idea is to provide a smooth “One Grid” experience. This entails upgrading old lines and designing new high-voltage corridors to manage the large surge in seasonal power. Detailed consultations are currently being conducted to guarantee that the infrastructure can facilitate the export of surplus power to India’s energy-hungry industrial areas while keeping a consistent frequency across borders.


Managing The Lean Season

A unique challenge discussed was the “lean period” in Bhutan. During the winter months, river flows decline, and Bhutan frequently imports power from India to meet domestic demand. The 2026 agreement aims to streamline authorization for scheduling this power. This guarantees Bhutan has a stable energy safety net when its own generation is low, resulting in a true two-way cooperation.


Looking Toward the 2040 Horizon

The collaboration is no longer only about dam construction; it is about establishing a regional energy market. The meetings also included the 4,060 MW Sankosh Hydropower Project, which remains a crucial goal for future energy independence.


Beyond Hydropower

While water remains the key motor, the 2026 vision suggests diversifying into solar and wind energy. The idea is to create a “Green Energy Corridor” that will use Bhutan’s natural resources to help India achieve its ambitious Net Zero targets.


Economic and Social Dividends

For Bhutan, these projects constitute the foundation of the economy, contributing significantly to GDP. In India, they supply clean, renewable peaking power. The collaboration, which officially began in 1961, has evolved from a simple buyer-seller relationship to a complex, integrated energy alliance that serves as a model for regional cooperation around the world.


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