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Flagship momentum at scale
Dorjilung (1,125 MW) stands as the largest and most significant project within Tata Power’s Bhutan portfolio, anchoring current capacity expansion and reinforcing its leadership in regional hydropower development
Built on a proven hydropower foundation
Alongside Dorjilung, projects like Dagacchu (126 MW) and Khorlochhu (600 MW) reflect Tata Power’s established and evolving presence in Bhutan’s hydropower landscape
Enabling round-the-clock renewable energy
Pumped storage developments are being explored alongside hydropower to enhance grid stability, optimize energy use, and support a more reliable, future-ready power system
Driving regional and economic impact
Together, these initiatives strengthen cross-border energy security, support decarbonization, generate employment, and establish a robust model for sustainable infrastructure development
Building on a strong hydropower legacy in Bhutan
Tata Power’s partnership with Druk Green Power Corporation Limited is built on an established presence in Bhutan, shaped through a portfolio of hydropower initiatives. Together, these projects have strengthened Bhutan’s renewable capacity, enabled cross-border energy exchange with India, and laid a strong foundation for long-term regional energy cooperation, anchored in trust, scale, and shared ambition
- Dagacchu Hydropower Plant
- Khorlochhu Hydropower Project
A pioneering milestone in Bhutan’s energy journey, Dagacchu stands as the country’s first public-private partnership in hydropower, developed jointly by Druk Green Power Corporation Limited and The Tata Power Company Limited. Commissioned in 2015, it marked the beginning of a long-standing collaboration, delivering reliable clean power while enabling cross-border electricity trade. Tata Power holds a 26% stake in the project, underscoring its early and enduring role in Bhutan’s hydropower sector
Emerging as one of Bhutan’s most significant upcoming hydropower developments, Khorlochhu reflects the next phase of large-scale collaboration between Druk Green Power Corporation Limited and Tata Power. Located on the Kholongchhu River in eastern Bhutan’s Trashiyangtse district, the project is expected to be commissioned in 2029. Once operational, it will support Bhutan’s growing electricity demand while strengthening cross-border renewable power supply to both Bhutan and India through high-capacity transmission networks
About Dorjilung Hydroelectric Power Project
The 1,125 MW Dorjilung Hydroelectric Power Project (DHPP) represents a defining step in shaping South Asia’s clean energy future through cross-border collaboration. Developed as Bhutan’s largest hydropower project under a public-private partnership between Tata Power and Druk Green Power Corporation, and supported by long-term financing from the World Bank, Dorjilung is expected to generate over 4,500 GWh of clean electricity annually, with about 80% supplied to India. Designed as a run-of-river project on the Kuri Chhu River, Dorjilung strengthens regional energy security and cross-border clean power integration. Tata Power Trading Company Limited, a wholly owned subsidiary of Tata Power, will be responsible for importing the power into India and managing its onward distribution.
Delivering joint impact across borders
This partnership is driving positive outcomes across energy, economy, and communities, supported by Tata Power’s technical expertise
Stepping up Bhutan’s renewable capacity
Dorjilung will expand Bhutan’s installed power capacity by nearly 40%, strengthening the country’s clean energy backbone and supporting long-term energy resilience
Deepening regional energy security
With approximately 80% of the project’s annual electricity supplied to India, Dorjilung strengthens cross-border energy integration and contributes to a more stable, diversified, and reliable clean power supply across the region
Reinforcing Bhutan as a clean energy exporter
The project further cements Bhutan’s position as a trusted exporter of renewable power, supporting South Asia’s broader decarbonization goals
Propelling green energy forward
As India’s largest private integrated power company, Tata Power brings deep technical expertise, disciplined execution, and long-term commitment to accelerate the region’s transition to clean energy and scale sustainable infrastructure
Built on strong foundations
Backed by multilateral institutions and structured through a robust public-private partnership model, the project reflects confidence in its technical design, financial viability, and long-term value creation
Creating economic & social impact
Dorjilung is expected to generate significant employment during construction and operations, stimulate local enterprise, and support livelihoods in Bhutan’s Mongar and Lhuentse districts
A blueprint for high-impact partnerships
The project demonstrates how governments, multilateral institutions, and the private sector can work together to translate long-term sustainability ambitions into scalable, bankable outcomes with shared economic and environmental benefits
Board of Directors, Dorjilung Hydro Power Limited
Dorjilung benefits from a strong and experienced leadership structure guiding long-term project delivery under the Special Purpose Vehicle, Dorjilung Hydro Power Limited (DHPL)
The road ahead
Driving the next phase of Bhutan–India clean energy collaboration through scale, structure, and long-term vision
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