To what extent electricity shortages can be expected in the years 2016/2017? How will the reserves in the power system develop? The reserves in Poland are still relatively high, they were in 2013 at about 13 percent of the annual peak load. In 2018, the reserves will decline to about 8 percent. Assuming the so-called cold reserve, which was introduced in 2014, the reserve capacity, however, is at 11 percent in 2017. According to the provision of new generation capacity in the years 2019/2020 the reserve will increase to approximately 18 percent.