The average electricity demand for systems in Marszów amounted to 46.6 in 2017 and 44.3 kWh/Mg in 2018. The average size of the indicator for 19 systems that made data available was22.8 kWh/Mg. However, the range of variability of this indicator was very wide from 2.6 to 77.5 kWh/Mg.