Abstract
Energy saving in any enterprise is an actual problem associated with the rising cost of energy. In this case, the cost of electricity is among the most expensive components. One of the most effective ways to save electricity is to use energy-saving technologies and modernize energy systems, including using “small” energy systems. The task was to modernize the energy system of the Cherepovets poultry farm in order to reduce energy costs. After completing the cycle of work on a comprehensive assessment of possible options, production verification and implementation, the most effective way to reduce the cost of electricity was the method of upgrading the energy system based on small generation means using traditional fuels. The modernization allowed the Cherepovets poultry farm to annually generate up to one-third of its own electricity through a mini-combined heat and power station (mini-CHP) and keep the cost of the kWh generated three times lower than that in the grid. It confirmed the possibility of sharing the poultry farm and grids of its 6 (10) kV transmission lines and transformer substation on the territory of the farm.
Highlights
The level of energy efficiency of agricultural production largely determines the cost of production
The share of energy consumption in the cost estimates of agricultural enterprises for the production of agricultural products is a significant part, and taking into account the growth rates of energy carriers cost, the implementation of energy saving measures in increasing the energy efficiency of agricultural production takes on particular importance, especially in conditions of competition with foreign enterprises, where a higher level of technology and labor productivity exists [1]
Papers on the modernization of the energy system of an enterprise based on heat-saving technologies with the use of "small" energy sources were not found
Summary
The level of energy efficiency of agricultural production largely determines the cost of production. The share of energy consumption in the cost estimates of agricultural enterprises for the production of agricultural products is a significant part (from 10 to 50%), and taking into account the growth rates of energy carriers cost, the implementation of energy saving measures in increasing the energy efficiency of agricultural production takes on particular importance, especially in conditions of competition with foreign enterprises, where a higher level of technology and labor productivity exists [1]. The annual consumption of electricity, for example, by a poultry farm outputting 14,000–15,000 metric tons of meat per year, was 16–19 million kWh. Broiler houses had up to 70% of the load accounted for the microclimate (brooders, ventilation, etc.), 25% for lighting (incandescent lamps), the rest for feed distribution and other process steps. With the introduction of LED lighting, ventilation systems based on the principles of vacuum with less energy-intensive axial fans (such as VO-12), this ratio has changed, but the continuous increase in energy prices leaves the issue of reducing the cost of energy components among the most relevant [3, 4]
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