Hydro power
microhydropower.net - Information about micro hydro power.
Main institutions
ESHA.be - European Small Hydropower Association
Research
hydropower-dams.com - International Journal of Hydropower & Dams
Esha.be/index.php?id=38 - Publications from the Small Hydropower European association.
News
hydroworld.com - Hydroworld: Hydro power international news
waterpowermagazine.com - International Water Power and Dam Construction magazine