Energy saving is one of the largest problems of our time. With the worsening of the economic crisis, the energy shortage in the world and the threat of destroying the bases of conservation of fossil substances in Ukraine, the issue of energy conservation is becoming more acute. Especially now, when our power plants are being damaged due to the Russian aggression. In recent weeks, the authorities have been constantly asking for energy savings, because the damaged stations do not have the ability to generate much energy.