Hydropower has been core in the nation-building process of several countries. This includes Sweden in which it currently supplies around 50% of the electricity and particularly Norway where almost all electricity is generated from hydropower. In these countries, as well as many others, the provision of hydroelectricity enabled urban and rural development, industrialization and other core value-added activities.
However, it was realized with significant environmental costs, particularly at the local level. Traditionally, there has been a divide in perceptions on hydropower production, in which stakeholders tend to box it either as an environmental hazard or as a socio-economic benefit.
During the last century, these diverging perspectives have influenced political and regulatory approaches as well as the perceived role of hydropower at large. Different attempts to bridge this divide have been made. This is not least true in the present day, considering the role of hydropower as a low-carbon solution, and a balancing source to counter increased intermittency from new renewables into the energy system.
These features of contributing to the global good of mitigating climate change need to be assessed against the potential negative environmental consequences on biological diversity, outdoor recreation and landscape perceptions at large. These concerns triggered social mobilization and even became instrumental in establishing environmental NGOs with the core focus of fighting hydropower projects.
Contrasting and often conflicting opinions are still prevailing, as exemplified with the implementation of the EU Water Framework Directive (WFD). However, there are current signs and new knowledge available suggesting that there is a shift into a new era of hydropower governance. A potential reconciliation of contrasting perceptions is pending, but there is strong inertia to change. Currently, there is the benefit of drawing on lessons learned. This provides an opportunity to shape new governance systems that are more balanced in a way not experienced before.
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