Hydro power is one of the oldest ways of transforming energy and making it usable. With the help of a turbine, the potential and kinetic energy of water is transformed into rotation, kinetic energy. This movement can then be transformed into electrical energy with the help of an alternator or generator. In the following you can see the principle of a hydro power plant. Global Anchor is focusing on small scale hydro power plants, which means there is very little impact on the environment. There is no huge dams, which cut off the natural flow of a river, for example. The following listing shows hydro power advantages and disadvantages.

Hydro Power Advantages

  • Hydro Power is clean
  • Renewable
  • Reliable
  • Free
  • Extremely efficient

Large Hydro Power Disadvantages

  • Hydro Power dams disrupt the natural flow of Rivers
  • Impedes the natural flow of sediments
  • Obstacles to fish migration
  • Risk of catastrophic failure

Small Scale Hydro Power Advantages

  • Cheap to run and maintain once they have been setup
  • Very small impact on the environment (e.g. when no dam is needed)
  • Very small impact on the environment during construction phase
  • Less complexity and little knowledge necessary to build and run
  • Productive use compatible
  • Most turbine types don’t need high-tech manufacturing procedures and equipment

The following sketch depicts the principle of a high head pelton water turbine.

We believe in small scale hydroelectric solutions for decentralized energy supply and workwith different turbine types, according to the diverse conditions in nature / of the site. For documentation and spreading of our experience and knowledge we are working on the launch of a Wiki page for hydro power, which will be available on www.picohydro.org. We invite you to participate and add your experience with your project!