The energy crisis facing Europe as a result of geopolitical tensions with Russia has created a significant impact on the economic, social and political sectors throughout the region. In recent years, Russia’s dominance as a major exporter of energy, particularly natural gas, has affected many European countries, which depend on these supplies to meet their energy needs. In 2021, surging gas prices and supply uncertainty fueled concerns about long-term impacts. This crisis was further exacerbated by Russia’s invasion of Ukraine in early 2022, causing Europe to face serious challenges in diversifying energy sources. Countries such as Germany and Italy, which rely heavily on Russian gas, were found to be in a vulnerable position, experiencing unprecedented spikes in energy prices. Sanctions imposed by the European Union on Russia caused further disruption in the energy supply chain. As a result, many European countries are starting to look for alternative supplies, including increased use of renewable energy. Investments in green infrastructure, such as wind and solar power, are increasing rapidly with the aim of reducing Russia’s dependence on fossil energy. However, this transition faces many challenges. Existing renewable energy infrastructure in Europe is not yet fully adequate to replace lost gas supplies. Therefore, some countries are turning their attention to alternative suppliers such as Qatar, Norway and the US. In this context, LNG (Liquefied Natural Gas) technology is becoming increasingly important, with many countries preparing ports and terminals to receive shipments from various corners of the world. The impact of the energy crisis is also visible in the European economy. Most countries are experiencing high inflation, and the cost of living has risen drastically due to soaring energy prices. As a result, the government began implementing energy subsidy policies to ease the burden on society, even though the risk could worsen the state budget deficit. The industrial sector was also badly affected. Several companies in Europe have been forced to reduce production or even stop operations due to very high energy costs. This creates concerns about potential job losses and their impact on long-term economic growth. This energy crisis also changed political dynamics in Europe. The public is starting to urge the government to guarantee long-term energy security and encourage a shift towards energy security. Governments are starting to consider new international agreements and increasing cooperation on energy innovation and technology sharing. With all these changes, one thing is certain: Russia’s energy crisis has pushed Europe to take more proactive steps in facing future energy challenges, with a strong emphasis on sustainability and resilience. Over time, Europe will likely find its way to cleaner, safer and more affordable energy, but this transition process will require time and strong commitment from all parties.