Having designed and built approximately 600 small wind turbines in the early 1980's I can assure you that the only way to even approach useful power from a turbine, under the conditions you describe, is to build a horizontal axis "drag" machine. think American standard windmill, the type you see pumping water on farms. The blades are flat plates with a high angle of attack, there is no way for any molecule of wind to pass through the disc without imparting its energy to the blades.
Imo your best bet is to buy a diesel generator, run it on bio fuel and invest any cash left over in shares in a solar panel manufacturing company. Sorry.
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