Upper Siang is a 9,750MW hydro power project. It is planned on Siang river/basin in Arunachal Pradesh, India. The project is currently in permitting stage. It will be developed in multiple phases. The project construction is likely to commence in 2025 and is expected to enter into commercial operation in 2029.

Project Type	Total Capacity (MW)	Active Capacity (MW)	Pipeline Capacity (MW)	Project Status	Project Location	Project Developer
Hydropower	9,750	–	9,750	Permitting	Arunachal Pradesh, India	NHPC; North Eastern Electric Power

Description

The project is being developed by NHPC and North Eastern Electric Power . NHPC, North Eastern Electric Power and Government of Arunachal Pradesh are currently owning the project having ownership stake of 37%, 37% and 26% respectively.

The hydro reservoir capacity is planned to be 10,000 million cubic meter.

Upper Siang (Upper Siang Stage I) consists of 16 units of francis turbines with 375MW nameplate capacity.

Upper Siang (Upper Siang Stage II) consists of 15 units of francis turbines with 250MW nameplate capacity.

Development Status

The project construction is expected to commence from 2025. Subsequent to that it will enter into commercial operation by 2029.

About NHPC

NHPC Ltd (NHPC), a Government of India Enterprise, is an energy utility that plans, promotes and organizes the development of hydro power plants. The company generates electricity using hydro, wind and solar sources. NHPC’s offerings cover the development of conventional and non-conventional sources in India and abroad. Through long-term power purchase agreements, it sells electricity to electricity utilities owned by state governments/private distribution companies on wholesale basis. The company also carries out planning of wind and tidal wave projects in the country; and has interests in various projects in under construction and under development phases. NHPC is headquartered in Faridabad, Haryana state, India.

About North Eastern Electric Power

North Eastern Electric Power Corporation Ltd (NEEPCO) is a government owned electric utility that generates, procures and sells electricity. The company designs, constructs, operates and maintains hydro, thermal and gas projects. NEEPCO generates electricity from hydro, thermal, and solar sources; procures and sells electricity by entering into joint venture agreements with various government electric entities. It operates hydro electric plants in Nagaland, Assam and Arunachal Pradesh; thermal plants in Tripura and Assam and a solar plant in Tripura. NEEPCO is headquartered in Shillong, Meghalaya, India.

Methodology

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.