Article summary
Abstract
This paper presents a holistic assessment of the environmental and cultural impacts of hydropower development in Kinnaur district of Himachal Pradesh. Examining the planning, construction and operation processes of river-based projects (dams, reservoirs, tunnels and diversions), the study shows that flow control, disruption of sediment mobility and reduction in environmental flows affect aquatic ecosystems, fish breeding, coastal vegetation and stability of slopes; As a result, water quality deteriorates, erosion-landfall risks increase. At the socio-cultural level, land acquisition and resettlement reflects displacement of communities, disintegration of livelihood patterns and erosion of Kinnauri traditions / ethos, while also yielding benefits such as energy supply, infrastructure and employment. It is clear from the study that the distribution of profit and loss is uneven; Marginalized groups are more affected by lack of information, participation and response mechanisms. As a matter of policy, cumulative impact assessment, rigorous environmental flow standards, slope-stability and sediment management, transparent social impact assessment, free, prescriptive and consent-based (FPIC) consultation, cultural heritage mapping, and livelihood restoration are essential. Technically for practical implementation, risks can be mitigated by real-time sensors, adaptive flow operations, low-footprint generation methods and community-based monitoring. In the long run, sustainable models based on climate-resilient, equitable profit-sharing and local participation enable a balance of energy security, ecological conservation and cultural sustainability. In conclusion, hydropower development in Kinnaur is justified only if environmental-cultural boundaries are respected by placing community knowledge at the centre of decisionmaking and transparent accountability is ensured with adaptive management.