It depends on where you live; if you're in the middle of a desert then
it might be a something of a problem.
There is at least one home in England which has a hydro-electric
installation, Chatsworth House in Derbyshire. It was out of use for
many years, but was brought back into use a few years ago; as far as I
know it is still working. If you happen to live in a stately home,
then it might be a possibility.
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