For enthusiasts, or just those looking for knowledge, here are some relevant links.
Carson Electronics
EREC
Brief, a good summary of hydropower for those considering
constructing a site.
Evans Engineering
microhydropower
Thomson
& Howe Load Controlling
Energy Sector in
Canada Homepage
Canyon
Industries
Anti-icing
nonmetal trash racks
Research on Frazil Ice
BC Surface Water Rights
Pelton Spreadsheet Calculator A great
spreadsheet to calculate variables for hydropower plants using pelton
type turbines!