Bergey Windpower and Dr. Amy Cerato will work together on a Department of Energy (DOE) National Renewable Energy Laboratory (NREL) Competitive Improvement Project (CIP) grant to design a helical pile foundation for the 15kW turbine and self-supporting lattice tower to increase the speed of installation and lower the cost.  Bergey and Dr. Cerato have worked together before on a successful OCAST project when they studied helical anchor behavior under long-term cyclic loading for use with their guyed towers and found that the 3- and 4- helix configuration worked well.

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https://www.greentechmedia.com/articles/read/small-wind-turbine-makers-bolstered-by-energy-department-grants#gs.qQQcVZ0