The global energy crisis has now become one of the main issues of concern throughout the world, especially in Europe. The impact of prolonged war and conflict in the region threatens the stability of energy supplies, which in turn affects various aspects of social, economic and political life. Since the start of tensions between countries in Eastern Europe, the need to reduce dependence on fossil energy, especially natural gas, has become increasingly urgent. Countries such as Germany, which previously relied on gas supplies from Russia, now face major challenges in finding alternative energy sources. This move not only involves a shift to renewable energy, but also includes diversification of energy suppliers, including through LNG from other gas producing countries such as the United States and Qatar. Global energy prices also experienced a significant spike due to the uncertainty created by the war. The world energy market fluctuates, and this impacts people’s costs of living. Rising inflation is a crucial issue, with rising energy prices contributing to rising costs of other goods and services. Many European countries have been forced to issue aid packages to ease the burden on society, but this has also increased the state budget deficit. European governments are making active efforts to increase energy efficiency and investment in energy infrastructure. Programs to promote the use of electric vehicles as well as improving building insulation are priorities to reduce energy consumption. The transition to more sustainable green energy is also expected to reduce the impact of this crisis in the long term. The industrial sector also felt a serious impact. Many companies face the threat of closing or reducing production due to soaring energy costs. Heavy industry, such as steel and chemical factories, is most affected due to its high dependence on energy. Some of them are starting to implement energy efficiency strategies and are looking for ways to switch to more environmentally friendly alternatives. From a geopolitical perspective, this war has changed the power dynamics in Europe. Countries that previously were firm about not being involved in energy conflicts are now forced to face new realities and provide support to countries involved in conflicts. Additionally, international organizations such as the European Union are seeking to cooperate more closely on energy policy, including plans to reduce carbon emissions. Furthermore, this energy crisis opens up opportunities for technological innovation in the energy sector. Investment in research and development of renewable energy technologies such as solar, wind and hydrogen continues to increase. Research on energy storage is also a major focus, along with the need to address the challenges of integrating volatile renewable energy sources. The global energy crisis triggered by the war in Europe requires all parties to adapt and look for long-term solutions. By understanding the broad impacts it has, strategic steps can be taken towards better energy security, while encouraging a faster implementation of the energy transition.