Patel Engineering (PEL) has received Letter of Award (LoA) from Dorjlung Hydro Power (DHPL) [JV between Druk Green Power Corporation (DGPC), Bhutan & Tata Power Company (TPCL), India] for Rs 230.70 crore (excluding taxes) contract for Package I: Pre- Construction Works of the prestigious 1,125 MW Dorjilung Hydroelectric Power Project in Bhutan.

The Dorjilung Hydroelectric Power Project is a landmark initiative in Bhutan’s energy sector, and is Bhutan’s largest hydro project under the Public Private Partnership (PPP) model, designed to fully support the nation’s domestic energy aspirations while enabling the export of surplus clean power to India, thereby strengthening regional energy security. Patel Engineering recognizes the strategic importance of this project and is proud to play a role in its execution.

Under Package I, PEL will execute the civil and hydromechanical works for the Dorjilung Hydroelectric Power Project. The scope includes construction of two diversion tunnels of 11.0 m diameter with lengths of 930 m and 821 m, an intermediate adit of 7 m finished 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, the package covers hydromechanical works comprising four sets of vertical lift fixed wheel gates.

The construction period is set at 300 days, with a Defects Notification Period of one year. The project site is strategically located about 7 km from Autsho town in Mongar Dzongkhag, Bhutan, making it a critical infrastructure development in the region. 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 outside.

Patel Engineering provides a wide range of civil engineering services involved in design and construction of power projects, hydroelectric projects, commercial building, industrial complexes, dams, tunnels, underground structures, steel and concrete structures, bridges, marine works, flyovers and national highways in India and abroad.