KYIV, May 4 – A powerful interstate transmission line, upgraded by Ukrenergo together with the Polish transmission system operator PSE, between Poland and Ukraine has successfully passed a three-day test since April 27, Ukrenergo reported.

According to Ukrenergo, the total cost of the project amounted to UAH 350 million, in addition, about 1,000 tons of the necessary equipment was provided free of charge by Polish partners.