Microhydro Power in Your Backyard? How to Assess Your Site

One of my coworkers dreams of owning a home with a little stream running through the yard helping to power his hybrid microhydro/photovoltaic and carbon-free home.
If you’re lucky enough to have access to your own stream, complete with a small waterfall, just think: you could be harnessing that energy for your own renewable electric system—via [...]