UkrInform: Ukraine’s GTS Operator to earn Hr 225 billion over 5 yearsBy UkrInform. Published Jan. 12, 2020. Updated Jan. 12 at 1:39 pm A compressor station is seen near the northeastern Ukrainian city of Kharkiv. Photo by AFP In 2020-2024, the Gas Transmission System Operator of Ukraine (GTSOU) will earn Hr 225 billion (inclusive of VAT).Read more here.