Researchers simulate global potential of electricity generated using hydropower

February 10, 2017 by Roy Meijer, Delft University of Technology

TU Delft researchers have completed a detailed account of the global potential of hydropower. The results of their research were published in the scientific journal PLOS One on Wednesday, 8 February 2017.

The Delft researchers used a model combining various geographical information systems to create a simulation of the global potential of electricity generated using . All of the world's rivers with a discharge exceeding 100 litres/s were replicated, resulting in an extremely extensive database containing a network of rivers.

Additional data was used to chart the gradients of these rivers, with the aim of determining suitable locations for hydroelectric power stations. The research offers insight into the spatial distribution of hydropower and the amount of energy that the approach could theoretically generate in a specific area.

Replacement of fossil fuels

Hydropower could potentially replace a significant part of the contribution currently made by to energy production. This study is the first of its kind to present a detailed evaluation of the potential contribution of hydropower at each location, based on the slope and discharge of all of the world's rivers. Hydropower represents a total theoretical contribution of approximately 52 PWh/year, distributed amongst 11.8 million locations. This amounts to 33% of the annual global energy requirement; stations currently account for 3% of this annual energy requirement.

This detailed data will enable local authorities and companies to identify suitable locations for the construction of , particularly locations at which smaller could perform well.

Explore further: Study shows Chinese hydropower operations considerably increased dry season flows and decreased wet season flows

More information: Olivier A. C. Hoes et al. Systematic high-resolution assessment of global hydropower potential, PLOS ONE (2017). DOI: 10.1371/journal.pone.0171844

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5 / 5 (2) Feb 11, 2017
Hydropower dams also create great problems with migratory fish species and a slew of other Ecological Concerns, Hydropower is an old technology that is actually being phased down to lower levels in some areas as dams are removed. There are still lots of hydropower projects, but much more needs to be done to make sure that the ecological and Economic damages that come from damming a river for the power. This is NOT a responsible energy source unless ways to produce power can be found that do not rely on dams or changes to the stream bed.
1 / 5 (5) Feb 11, 2017
Your arguments are correct.

We have found dams are also losers economically, because of the land they take out of the tax base for one thing, and the loss of production for another.

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