The energy crisis in Europe has become one of the most pressing issues in recent years, largely related to Russia’s energy policy. Russia’s invasion of Ukraine in February 2022 sparked a swift global reaction, particularly in Europe, which depends on Russian gas and oil. Disrupted energy supply chains, amidst political tensions, have resulted in spikes in energy prices and concerns about supply stability. Europe gets about 40% of its natural gas from Russia. As conflict escalated, European countries began looking for ways to reduce this dependency. This process involves diversifying energy sources, increasing the use of renewable energy, and establishing emergency reserves. However, these efforts are hampered by inadequate infrastructure and global market uncertainty. Sanctions imposed on Russia worsened the situation. Countries such as Germany, which previously relied on Nord Stream 1 and 2, face major challenges. The closure of this pipeline caused a shortage of gas supply, so energy prices soared, which had an impact on industry and consumers. High inflation and a cost of living crisis emerged as a direct consequence, creating political pressure within the country. In addition, Europe is seeking to build closer ties with alternative energy producers. Countries such as Qatar and the US are the main choices for supplying LNG (Liquid Natural Gas). However, this transition requires major investments in infrastructure, such as LNG terminals and transportation systems. This energy crisis also accelerates the transition to renewable energy. European countries are accelerating the development of renewable energy projects such as wind and solar as part of the European Green Deal. While these actions bring hope for sustainability, challenges remain, including the need for energy storage and strengthening the power grid to accommodate distributed sources. Regional cooperation is increasingly important in overcoming this crisis. Energy interconnection projects in eastern and western Europe are expected to strengthen energy security. Building better gas networks and integrating European energy markets are priorities. This aims to ensure that countries with excess supplies can help those with shortages. Apart from the economic impact, this crisis has security implications. These geopolitical tensions have made many countries realize the importance of energy security. Increasing investment in clean energy technologies and infrastructure will be key to maintaining long-term stability. Strengthening energy policy through multilateral collaboration is also important to achieve better resilience. It is important to note that this energy crisis is not a simple problem. Various factors, including weather, global demand, and political dynamics, all contribute to the challenges Europe faces. Therefore, the response to this crisis must be layered and flexible, with a focus on strategic innovation and adaptation. The evolution of energy policy in Europe can be an example for other countries in facing increasingly complex global energy challenges.