Patel Engineering Limited has been awarded a significant contract valued at ₹230.70 crore for pre-construction works on the 1,125 MW Dorjilung Hydroelectric Power Project in Bhutan. The project is a joint venture between Dorjilung Hydro Power Limited, Druk Green Power Corporation Limited, and Tata Power Company Limited.
The Dorjilung Hydroelectric Power Project represents a landmark initiative in Bhutan’s energy sector. As Bhutan’s largest hydro project under the Public–Private Partnership model, it aims to support the nation’s domestic energy needs while facilitating the export of surplus clean power to India, enhancing regional energy security. Patel Engineering recognises the strategic importance of this project and is committed to its successful execution.
Under the contract, Patel Engineering will undertake civil and hydromechanical works, including the construction of two diversion tunnels with diameters of 11.0 m and lengths of 930 m and 821 m, respectively. The project also includes an intermediate adit of 7 m diameter and 116 m length, and a highway road tunnel of D-shaped cross section measuring 11 m × 7.5 m and 500 m in length. Additionally, four sets of vertical lift fixed wheel gates will be installed as part of the hydromechanical works.
The construction period for the project is set at 300 days, with a Defects Notification Period of one year. The project site is located approximately 7 km from Autsho town in Mongar Dzongkhag, Bhutan, marking it as a critical infrastructure development for the region.
Ms. Kavita Shirvaikar, Managing Director of Patel Engineering, expressed delight at being entrusted with the project, highlighting the importance of hydropower in Bhutan’s energy future. She noted that this project offers an opportunity to deliver world-class engineering solutions and strengthen long-term partnerships in the renewable energy sector. Patel Engineering is actively exploring further opportunities in hydropower development in Bhutan and neighbouring countries, reaffirming its commitment to sustainable growth and regional collaboration.
With this achievement, Patel Engineering continues to expand its footprint in the renewable energy sector, reinforcing its vision of building resilient infrastructure that supports clean energy transitions across India and beyond.
Disclaimer: This article is based on a regulatory filing submitted to the National Stock Exchange of India (NSE).