Welcome to Chris & Kristin Olson's place. We live off-grid in Northern Wisconsin and our home is totally powered by wind and solar energy and a Honda EM4000SX standby generator.

Click here to see detailed weather and wind data for our site.

I build custom high-performance wind turbines designed for off-grid power - see below for more information.

our 2012 energy production:
12/31/2012 11:11 PM: 4,879.0 kWh

standby generator fuel burned 2012:
294.9 US Gallons (gasoline)

our 2013 YTD energy production:
4/30/2013 8:30 PM: 2,783.7 kWh

standby generator fuel burned 2013 YTD:
154.7 US Gallons (gasoline)

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Homebrew Off-Grid Projects

Our 3.2 and 3.5 meter wind turbines are high voltage battery charging machines designed for off-grid power. I built them for12/24/48 volt off-grid systems.

  

12/24/48V power production at various average wind speeds for a 3.2 meter turbine. With a 3.5 meter rotor the turbine will produce 520 watts @ 15 mph and 2.0 kW @ 25 mph. Peak power is the same with either rotor.

rotor diameter 3.2 meters
generator type three-phase AC
startup wind speed 4.5 mph
cut-in wind speed 5-6 mph
power @ 10 mph 150 watts
power @ 15 mph 480 watts
power @ 20 mph 1.0 kW
power @ 22 mph (12V max) 1.2 kW
rated power @ 25 mph (24/48V) 1.8 kW
peak power @ furling (24/48V) 2.5 kW

The turbine is designed for use with a MidNite Classic 150 MPPT controller with the proper power curve for the turbine model loaded into the controller

Download Classic Power Curves for my turbines ->

For Folks Interested In Off-Grid Power:

Feel free to email or call me if you're interested in a custom built turbine for your renewable power project or off-grid home. If you want to build your own turbine I also supply parts or assemblies like gearboxes, shafts, generator rotors, etc., for folks who have the facilities to do the basic building, welding and assembly, but do not have machine shop facilities available to them.

(left) DWP320 turbine on a stand in the shop -- (right) DWP350 turbine on a free-standing tower

 

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