I want to install a wind mill that can generate 300-500 W for providing supply to my home and i don't know any company that installs such small wind mills so, i want to design/assemble and install it by self.
what are component that will be used in designing/assembling a wind mill and what will be expected cost of design & installation. In which part i need to focus more during design/assembling.
If possible, Please provide the name of companies who install small wind power system (in India) which will be used for house supply.