The following factors had a strong influence on development of the competitive natural gas market: economic crisis an recession, Russia-Ukraine gas crises in 2008/2009 and 2014... as well as tight connection between oil and natural gas markets in determining natural gas prices.
Previous low prices and possibility of natural gas supply from the abundant sources located relatively close to the consumption area are no longer available. Due to more difficult conditions in force during the last years, the security of natural gas supply has become the central issue of the energy politics ...