How Russia-Ukraine war change the arrangement on the energy chessboard?

Description

Russia had conflicts with Ukraine in 2006 and 2009, and then gas consumption to Europe was cut via Ukraine, on the 24th of February Russia invaded Ukraine, and this caused economic and energy challenges in the world. The EU member countries once again thought about the diversification of oil, gas and renewable energy resources. In the work, there is investigated oil, gas and renewable energy consumption and production throughout the years, additionally, there is discussed a gas storage and LNG inventory and what gained the EU member countries after starting the war and what danger they face again on the energy chessboard.