During May on the Serbian energy exchange SEEPEX a total of 276,303.9 MWh of electricity was traded on the day-ahead market, which is a 23.4 % increase compared to the previous month, with an average of 8,913 MWh/day. Traded volume in May 2021 was 34.2 % higher than in the same month last year. Average daily base price on day-ahead market in May amounted to 59.89 euros/MWh, which is a 5.8 % decrease compared to April, while average euro-peak price reached 59.97 euros/MWh (- 7.1 %). 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.