According to data from the Ministry of Infrastructure, a total of 135 self-supply devices were connected in 2016, 720 in 2017, and another 1,302 in 2018. In 2016, 130 solar power plants and 5 hydroelectric power plants were connected with a total nominal power of just under 1.1 MW. In 2017, 718 solar power plants and 2 hydropower plants were connected, and the total nominal power of the connected units was slightly under 6.5 MW. In 2018 there were 1,299 solar power plants connected, 2 hydropower plants, and, for the first time, also 1 wind power plant. The total nominal power of the connected units in 2018 was 13.1 MW. In the period 2016−2018, therefore, altogether 2,156 self-supply devices were connected with a total nominal power exceeding 20 MW.