In June 2021 on the day-ahead market on the Serbian energy exchange SEEPEX a total of 206,366.3 MWh of electricity was traded, which is a 25.3 % decrease compared to the previous month, with an average of 6,878 MWh/day. Traded volume in June 2021 was 15.7 % lower than in the same month last year. Average daily base price on day-ahead market in June amounted to 78.63 euros/MWh, which is a 31.3 % increase compared to May, while average euro-peak price reached 80.76 euros/MWh (+ 34.7 %). SEEPEX was officially launched on 17 February 2016, with traded volume of 1,925 MWh. It is jointly owned by Serbian electricity transmission system operator EMS and European Power Exchange (EPEX SPOT) with the idea to support the development of a competitive, transparent and reliable electricity market in Serbia and south eastern Europe and make a significant impact on the increase of trading volumes of electricity in the region.