The energy crisis hitting Europe is currently a major concern in various parts of the world. The main cause of this crisis is a combination of increasing energy demand post-COVID-19 pandemic, geopolitical tensions, and reduced energy supplies from Russia, which is one of the largest gas suppliers. European countries are seeking to reduce their dependence on fossil energy, especially natural gas imported from Russia. This initiative accelerated after Russia’s invasion of Ukraine in early 2022, which forced many countries to look for alternatives. Countries such as Germany and France have increased investment in renewable energy, such as wind and solar, to strengthen their energy independence. The crisis has also caused a significant spike in energy prices, impacting the daily lives of European citizens. Electricity and heating costs are rising, leaving most households struggling to meet their energy bills. In an effort to tackle soaring prices, several European governments are passing aid packages to help people, including subsidies for energy bills and incentives for energy. The wave of cold temperatures hitting Europe also adds to the challenge. With high heating needs, demand for natural gas is increasing sharply, forcing countries to stockpile as many gas reserves as possible. Efforts to diversify energy supplies are becoming increasingly urgent, with countries such as Italy and Spain focusing attention on purchasing gas from other countries such as Qatar and the US. This transformation is not only limited to conventional energy. Innovation in the energy sector is on the rise, including the development of energy storage technologies and the use of hydrogen as an alternative energy source. Major projects in Scandinavia and Germany show that Europe is committed to creating a sustainable energy ecosystem. However, challenges remain. Investments in renewable energy infrastructure require time and resources, and the transition to clean energy is not always smooth. Many countries still rely on coal energy and other fossil sources as a bridge, which is not in line with climate change commitments. In this context, international organizations warn of the need for international collaboration to address global energy challenges. World leaders meeting in forums such as the COP and G20 emphasize the importance of joint action to achieve one goal: energy security. Meanwhile, the European energy crisis also has the potential to open up new opportunities for innovation and cooperation in the energy sector. Technology companies are conducting research into energy efficiency and new ways to produce renewable energy. With the help of supportive policies, Europe can become a pioneer in the sustainable energy transition. With these dynamic conditions, the situation in Europe will continue to develop. Looking at the current energy turmoil, a quick and effective response from each country is the key to overcoming the current crisis and building a stronger and more resilient energy system in the future.