SheerWind Brings Wind Funnel Technology To South Dakota


Through a new licensing agreement with Mark Luke Wind Energy LLC, Minnesota-based SheerWind’s wind power generating systems will now be marketed and deployed in South Dakota.

The agreement is SheerWind’s first of its kind in the U.S. and sixth globally. Mark Luke Cos., located in Sioux Falls, S.D., is introducing SheerWind’s technology under its renewables division.

SheerWind’s multi-patented INVELOX technology (for INcreased VELocity) turns traditional wind power systems upside down by first using a funnel to collect the wind, channeling that wind to increase its speed and then delivering it efficiently to multiple turbines safely housed at ground level.

SheerWind says INVELOX facilitates wind power generation in urban areas close to an end-user with no hazardous, low-frequency noise or flicker. Not to mention, it’s safe for birds and bats, the company adds.

“We are ready to make South Dakota a leader for wind power generation in this country. Integrating INVELOX into buildings is a solution that makes our business stand out,” said Mark Luke, CEO of Mark Luke Cos. “We are excited to provide a needed solution for renewables while providing new opportunities for local communities.”

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Steve Hench
Steve Hench

The cost/power ratio of this system are far inferior to many other wind turbines with the same inlet swept area. The mathematical voodoo going on is that the power gains are being measured only for a turbine the size of the interior diameter of the Venturi duct.

There are other ways to make bird-safe turbines, and with far better economics than this design.