More information about run of river and "micro hydro" including an animated "interactive model" showing how the technology works.
An informational page about microhydro from a nonprofit energy research group.
A publisher's page for a book on microhydro, including an informative excerpt featuring an illustration on how the technology works.
An article from the magazine Renewable Energy World with more information about the environmental benefits and considerations of micro hydro.
A general information page from the user-created collaborative encyclopedia.