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What does the future hold for the world's largest renewable energy source, hydropower? Hydropower is an incredibly old source of energy, tracing its usage back to the watermills that have been a staple of civilisations since ancient times. Today, it is the largest source of renewable energy in the world, with an installed capacity of over 1126GW in 2018. Hydropower is particularly prominent in China, where the world's largest power station Three Gorges power plant in Hubei province produces 22.5GW. Other massive projects also dot the country, including the Xilodu (12.3GW) and Longtan (6.3GW) dams.

Hydropower Market is Slated to Witness Tremendous Growth in Coming Years

Keeyask Hydroelectric Generating Station is a proposed 695MW hydropower project on the lower Nelson River, about 725km north-east of Winnipeg, Manitoba, and 69km upstream from Limestone Generating Station, the biggest hydropower generating station in the region. Construction of the Keeyask hydropower project is expected to commence in late 2014, following regulatory approvals, and will be completed by 2021.

Himachal Pradesh Monday decided to allot 54 small and mini hydroelectric projects to various companies to tap additional sources of energy, an official said in Shimla.

A 2000 report by the World Commission on Dams showed a huge fall in popularity, leading some to declare the era of the dam was over. Almost two decades on and they are enjoying something of a renaissance. Andrew Tunnicliffe speaks with Professor Benjamin Sovacool about the impact dams have on the socioeconomics of a country and why corruption is often rife.

A host of new technologies have been inspired by the natural world, as designers increasingly look to biomimicry when to creating new ideas for wind turbines, solar cells and hydropower. So could nature hold the answer to unlocking renewable energy?