On delivery day 11.10.2013 traded volume at BSP Day-Ahead market exceeded traded volume in the year 2012. In the period from 1st January to 11th October 2013 volume on BSP Day-Ahead market amounted to 4.428.869,353 MWh which represents 6.861 MWh higher volume in comparison with the year 2012. Regarding trends of growing volume in mentioned period is estimated volume in this year just below 6TWh.