Small "plant" nearly covers the energy use of a single American home. Not much space taken up. This is probably way more than I'd need for off-grid living in a Yurt. But I could harness solar and wind power for all my electric needs.
New Bladeless Wind Turbine Claimed to be Twice as Efficient as Conventional Designs
New Bladeless Wind Turbine Claims to be twice as efficient as conventional designs. A new type of wind turbine is poised to leap onto the wind power scene, this time without blades, twice as efficient and half the price of conventional wind turbines.
89-Year-Old Man Develops Bladeless Bird-Friendly Wind Turbine!