Have you ever thought that these things might be expensive for us to afford. May not be...? Check this website, which gives a wide range of wind mills.
This website even gives the information about the cost of small wind mills which you can equip on the roof top of your house and gives the estimates of the power it can save based on the average amount winds blow at your place. Check this link for the price of various sizes of wind mills.
Did you get a feel that you might be completely independent of current means of getting electricity in your home and stay away from this global energy shortage discussions in future.
Please let me know if this post is useful to you are not.
