Ukraine's Energy Minister Herman Halushchenko reported the information.On the Azerbaijani side, the document was signed by his counterpart Parviz Shahbazov."Ukraine offers its underground gas storage facilities for international gas storage. Our underground gas storage facilities are the largest in Europe and are available to foreign companies under the 'customs warehouse' regime without taxes and fees," Halushchenko noted.The two ministers also discussed the participation of both sides in renewable energy development projects.Volumes of gas and oil exports from AzerbaijanCurrently, Azerbaijan supplies oil to more than 20 countries and gas to 12 countries, Shahbazov said on July 9, speaking in Vienna at the ministerial session of the 9th OPEC International Seminar on "Oil Markets: Energy Security, Development, and Prosperity."According to him, Azerbaijani gas currently covers 78% of gas consumption in Georgia, more than 50% in Bulgaria, 18% in Greece, about 16% in Italy, and 18.5% in Turkey.Azerbaijan intends to expand the export of its own gas and oil production, as well as oil products, particularly through the state oil company Socar.