SARAJEVO (Bosnia and Herzegovina), November 30 (SeeNews) – Bosnian hydro power producer Hidroelektrane na Trebisnjici (HET) [BANJ:HETR-R-A] said its net loss narrowed by 50% year-on-year to 5.8 million marka ($3.6 million/3.0 million euro) in the first nine months of 2020.