www.newmillshydro.freeserve.co.uk/
www.eere.energy.gov/RE/hydropower.html
www.microhydropower.net/
www.powerpal.com/
www.reading.ac.uk/AcaDepts/st/home/energygp/prishydr.htm
home.carolina.rr.com/unclejoe/Micro-Hydro
www.wavegen.co.uk
www.bluenergy.com
www.tidalelectric.com
www.ieahydro.org/
www.esha.be/
www.hydro.org
www.wasserkraft.org/
www.ich.no/
www.dams.org
