In 2013 years total installed glazed solar thermal collector area was 8200 m2 and total installed capacity was 5,74 MWh per year. The tests were perfomed using solar simulator with 900 W/m2 energy lighting. Solar collector coefficient of efficiency was bigger (0,66) then 0,02 kg/s debit was used. There was 7,3 kWh given from solar simulator to evacuated tubes solar collector, but only 5,01 kWh was taken to water heating. Also 0,39 kWh energy was taken by circulating pum. It means that solar collector system coefficient of efficiency is poor (0,63).
