Solar power is the rising need not only of industries or commercial sector but also of domestic household. Solar system reduces your bills to zero and you can avail electricity all day long. 10 kw solar system is mostly used for domestic and commercial use and it is enough for the small business sector.The normal cost of a fully installed 10kw solar system price in Pakistan is almost PKR 125 per watt for commercial solution and mentioning the exact amount is hard because everybody requirements are different. Wind turbine can be defined as a fan consisting of 2 or 3 blades that rotate due to blowing wind such that the axis of rotation must be aligned with the direction of blowing wind. A gear box is used for converting energy from one device to another device using mechanical method; hence it is termed as a high-precision mechanical system. There are different types of wind turbines, but the frequently used wind turbines are horizontal axis turbines and vertical axis turbines.