Arunachal Protests Against the Subansiri Upper Hydroelectric Project
Context
Protests against the proposed Subansiri Upper Hydroelectric Project, also referred to as the Menga Dam, disrupted a public hearing in Arunachal Pradesh. The controversy highlights the conflict between large-scale hydropower development and the concerns of local communities regarding environmental impacts and public consultation.
Key Highlights
- A 1,605 MW hydroelectric project has been proposed in the Upper Subansiri region of Arunachal Pradesh.
- According to the report, protests led to the cancellation of a scheduled public hearing.
- Major concerns associated with such projects include ecological flow, seismic vulnerability, landslide risks and downstream impacts.
- The reported shutdown and violence must be examined separately from the legitimacy of peaceful and informed objections to the project.
Key Concepts
- Environmental Impact Assessment (EIA): A process of identifying, evaluating and mitigating potential adverse environmental consequences before a project receives the specified clearance.
- Public Hearing: A part of the environmental clearance process through which affected people can raise concerns for consideration.
- Run of River and Reservoir Hydropower: Hydropower technologies that utilise river flows or stored water. Their operational and ecological impacts vary according to the project design.
- Free, Prior and Informed Participation: A governance principle that emphasises timely access to information and meaningful community participation, particularly in tribal areas.
- Cumulative Impact Assessment: An assessment of multiple projects and environmental pressures across an entire river basin, rather than evaluating each proposal independently.
Way Forward
- Conduct public consultations safely and disclose relevant information in local languages.
- Undertake cumulative river basin assessments and seismic risk evaluations.
- Ensure fair compensation, livelihood planning and compliance with monitored ecological flow norms.

