Sissiri is a 100MW hydro power project. It is planned on Sissiri river/basin in Arunachal Pradesh, India. The project is currently in permitting stage. It will be developed in single phase. The project construction is likely to commence in 2023 and is expected to enter into commercial operation in 2026.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 100 100 Permitting Arunachal Pradesh, India Soma Enterprise


The project is being developed and currently owned by Soma Enterprise.

Sissiri is a run-of-river project. The hydro reservoir capacity is planned to be 177.4 million cubic meter. The net head of the project will be 107.63m. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, is expected to be 2 in number. The penstock length will be 200m. The penstock diameter will be 5.2m. The project is expected to generate 301.57 GWh of electricity. The project cost is expected to be around $212.675m.

The hydro power project consists of 2 units of francis turbines.

Development Status

The project construction is expected to commence from 2023. Subsequent to that it will enter into commercial operation by 2026.

About Soma Enterprise

Soma Enterprise Ltd (Soma Enterprise) is an infrastructure development company focused on transportation, and water resource projects. The company operates through its divisions including foundations, tunneling, formwork, ready mix concrete, highway operation and maintenance and trolling, formwork, asphalt, equipment and workshop, rock processing, and precast. Soma Enterprise constructs and develops infrastructure projects in the transportation, hydel power, and water resource sectors. The company develops urban projects such as convention centers, retail spaces, transit centers, and hospitality buildings. It has operations in Pune, Gurgaon, Hyderabad, Bengaluru, India; and Kuala Lumpur, Malaysia. Soma Enterprise is headquartered in Hyderabad, Telangana, India.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.