"Bulgartransgaz" has announced a public procurement for "Organizational planning, investment design, supply of necessary materials and equipment, construction and commissioning of new facilities for the expansion of the gas transmission infrastructure with the aim of increasing the capacities at the interconnection points Kulata - Sidirokastro and Negru Voda - Kardam". 

The estimated value of the public procurement is EUR 295,665,000 excluding VAT. The expansion will enable Bulgartransgaz to achieve the Vertical Corridor's goals of diversification and improving security of supply by transferring additional quantities of natural gas from south to north. The initiative of the gas transmission operators of Bulgaria, Greece, Romania, Hungary, Slovakia, Ukraine and Moldova was approved by the parliament on March 14, 2024.