Due to such a fact improving number of companies, which give different commodities in the field of lightning intensify their efforts so that their commodities would use significantly less energy than in the past. That’s the reason why, the expenses of their exploitation are mostly known to be considerably decreased, which is also referred to the fact that they are currently significantly more durable. Another reason why this area of industry has significantly developed throughout recent years is related to the fact that the demand on similar goods is constantly rising. It is implied by the fact that not only new buildings are grounded, but also they are required in cities in the night in order to increase the safety of the citizens and inter alia drivers of the vehicles. The more lights are available in a city, the more we are likely to avoid situations, in which we would participate in miscellaneous car accidents. Nonetheless, increase of the light bulbs in a city is referred to bigger costs rate, which proves that it is necessary to find an appropriate balance in the topic of lightning in terms of people, who are responsible for government of every city. Owing to similar attitude they are likely to better care about the structure of a budget.