Patel Engineering Ltd gets green signal from Dorjlung Hydro Power Ltd.

Dorjlung Hydro Power Limited (DHPL), a joint venture between Druk Green Power Corporation Limited and Tata Power Company Limited, has awarded a Letter of Award (LOA) to Mumbai-based infrastructure firm Patel Engineering Ltd. The contract, valued at BTN/INR 230.70 crore (excluding taxes), covers Package I: Pre-Construction Works of the 1,125 MW Dorjilung Hydroelectric Power Project in Bhutan.

The Dorjilung project, Bhutan’s largest hydropower venture under a Public-Private Partnership (PPP) model, is designed to meet domestic energy demand while enabling the export of surplus clean electricity to India, bolstering regional energy security.

Under Package I, Patel Engineering will execute civil and hydromechanical works, including the construction of two diversion tunnels of 11 m diameter (lengths: 930 m and 821 m), a 7 m diameter intermediate adit spanning 116 m, and a D-shaped highway tunnel measuring 11 m × 7.5 m and 500 m in length. The scope also covers four vertical lift fixed wheel gates as part of the hydromechanical works. The construction period is scheduled for 300 days, with a one-year Defects Notification Period. The project site is located approximately 7 km from Autsho town in Mongar Dzongkhag, Bhutan.

Commenting on the award, Ms. Kavita Shirvaikar, Managing Director of Patel Engineering, said, “We are delighted to have been entrusted with this prestigious project. Hydropower is a cornerstone of Bhutan’s energy future, and we see this as an opportunity to deliver world-class engineering solutions while strengthening our long-term partnership with Bhutan in renewable energy. Patel Engineering is exploring further hydropower opportunities in Bhutan and neighboring countries, reaffirming our commitment to sustainable growth and regional collaboration.”

This contract reinforces Patel Engineering’s presence in the renewable energy sector and highlights its commitment to developing resilient infrastructure that supports clean energy transitions both in India and internationally.