"Bladeless" wind power apparently still not ready for prime time yet.  The following links present a mix of opinions from the past 2 years or so.

Six innovative wind turbine designs - Engadget.  
https://www.engadget.com/2016/11/05/six-innovative-wind-turbine-designs/

The Future of Wind Turbines? No Blades | WIRED  May 15, 2015 - The Vortex, a radical new way to generate wind energy, is a bladeless wind turbine that looks like a giant rolled joint shooting into the sky.
https://www.wired.com/2015/05/future-wind-turbines-no-blades/

Bladeless Turbines: The Future Of Wind Energy Harvesting?  Mar 10, 2017 - Recently coming onto the scene is a new kind of bladeless wind turbine that harnesses wind energy through a process called vorticity  https://www.manufacturing.net/.../bladeless-turbines-future-wind-energy-harvesting