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
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!