I live in NW Washington- similar rain frequency as B.C. - I was thinking it could be a good way to power some outdoor accent lights. the drain pipe idea is awesome! as for the big freeze issue- i guess that is an imporatant design consideration, and perhaps the power generated could be stored to run...

One day in my electronics class, we were discussing the Big Hydro dam projects here in Wa state- my instructor had worked as a technician at one of them- anyway...at breaktime, I asked him about if It would work to do this at home- and of course he said "not enough water". However, I never...