The energy crisis in Russia has had a significant impact on Europe, changing the political and economic landscape across the continent. Russia, as one of the world’s largest energy producers, has a central role in gas and oil supplies to Europe. However, increasing geopolitical tensions, especially due to the conflict in Ukraine, have triggered this crisis. This crisis was triggered by international sanctions imposed on Russia following its military aggression in 2022. These sanctions limited Russia’s access to global energy markets, forcing European countries to reduce dependence on Russian gas. This has resulted in a spike in energy prices, creating serious challenges for consumers and industry in Europe. This increase in energy prices has an impact on high inflation, prompting central banks to raise interest rates, and slowing economic growth. Europe is trying to find alternative energy providers, by increasing gas imports from countries such as Norway, the US and other energy producing countries. New infrastructure projects, such as pipelines and LNG terminals, are being built to increase access to alternative energy sources. However, this transition did not go smoothly. High investment costs and long development times make it a complex challenge. Additionally, uncertainty in energy supply causes anxiety among consumers and companies. Many European countries have had to adopt energy saving policies, including restrictions on the use of gas and electricity. This not only creates inconvenience, but also affects the competitiveness of European industry on the global stage. The social impact of this crisis cannot be ignored either. Rising energy bills have affected low-income households, who are the most vulnerable. People in several European regions even protested against the increase in living costs caused by soaring energy prices. This could trigger social and political instability in the future. As time goes by, Europe is committed to switching to renewable energy in the long term to reduce dependence on fossil energy. Large investments in renewable energy, such as wind and solar, are accelerating. Policies supporting these green technologies provide hope for a more sustainable future, although this transition requires time and consistent effort. Meanwhile, Russia is planning a new strategy to replace the loss of the European market by looking for opportunities in Asia, especially China. There is an urgent need for Russia to diversify its energy export markets, which could help sustain the economy despite situations of international pressure. In this context, the impact of the energy crisis in Russia on Europe creates complexity in international relations. European countries will continue to adapt and develop strategies to deal with the short-term and long-term impacts of this crisis. Adjustments in energy policy will be key to reducing vulnerabilities and ensuring security of energy supplies in the future.