Wind energy is one of the renewable sources of energy, extremely popular and useful in the modern industry. Energy is acquired with a help of special wind turbines. Turbines convert mechanical

  Solar energy is an extremely important source of renewable energy. Solar energy is a rapidly growing sector of the industry, because of the cost-effectiveness and protection of the natural 

Hydropower is one of the most important and increasingly often used natural sources of energy. It is based on the mechanical flow of water. Currently, hydropower is used to generate electricity (such