Patel Engineering Ltd. (PEL) has received a Letter of Award (LOA) from Dorjilung Hydro Power Limited (DHPL) for the pre-construction works of the 1,125 MW Dorjilung Hydroelectric Power Project in Bhutan. The contract value is BTN/INR 230.70 crore (excluding taxes). PEL will execute critical civil and hydromechanical works, reinforcing its commitment to renewable energy infrastructure both domestically and internationally, with a construction period set at 300 days.
Patel Engineering Secures Strategic Bhutan Hydro Contract
Patel Engineering Ltd. (PEL) announced on March 20, 2026, that it has been issued a Letter of Award (LOA) for a significant project in Bhutan. The contract, valued at BTN/INR 230.70 crore (excluding taxes), is from Dorjilung Hydro Power Limited (DHPL), a joint venture between Druk Green Power Corporation Limited (Bhutan) and Tata Power Company Limited (India).
This contract covers Package I: Pre-Construction Works for the prestigious 1,125 MW Dorjilung Hydroelectric Power Project. PEL recognizes this project’s strategic importance as it is Bhutan’s largest hydro project under the Public-Private Partnership (PPP) model, designed to support domestic energy needs and enable clean power exports to India.
Scope of Civil and Hydromechanical Works
Under Package I, PEL is responsible for extensive civil and hydromechanical construction. Key scope elements include:
- Construction of two diversion tunnels with diameters of 11.0 m and lengths of 930 m and 821 m, respectively.
- An intermediate adit measuring 7 m in finished diameter and 116 m in length.
- A D-shaped highway road tunnel measuring 11 m × 7.5 m with a length of 500 m.
- Hydromechanical works comprising four sets of vertical lift fixed wheel gates.
The construction timeline is sharply defined, set at 300 days, followed by a one-year Defects Notification Period. The project site is located approximately 7 km from Autsho town in Mongar Dzongkhag, Bhutan.
Management Commentary
Ms. Kavita Shirvaikar, Managing Director, expressed delight, stating that this project offers an opportunity to deliver world-class engineering solutions and strengthen the long-term partnership with Bhutan in the renewable energy sector. She confirmed that Patel Engineering is actively exploring further hydropower opportunities in Bhutan and neighboring countries.
Company Profile and Expansion
With this achievement, Patel Engineering Ltd. continues to expand its footprint in the renewable energy sector. Established in 1949, PEL has a strong history, having completed over 85 dams, 40 hydroelectric projects, and more than 300 km of tunnelling.
Source: BSE
