Electricity-generating rain gutters are possible, yes. But effective? Not so much.

You need to divert water away from your house, but traditional rain gutters have their problems. Luckily, there are alternatives.

Learn to build an A-frame vertical rain gutter garden system with an automatic watering setup. I designed this project in 3D using Google Sketchup.

Additionally, they keep doorways and windows drier during storms. But rain gutters have their downside, namely, they require some periodic (but easy) maintenance and repairs to do their job properly.