The energy crisis in Europe has become a pressing issue, especially since geopolitical tensions have increased. Over-reliance on fossil energy sources, particularly natural gas, has exposed its vulnerabilities, as seen in the instability of supplies from Russia. This crisis has had a significant impact on the economy, environment and society of Europe. One of the direct impacts of this crisis is a spike in energy prices. Rising gas and electricity prices have affected the cost of living, causing high inflation and economic uncertainty. Many families and small businesses are faced with the difficult choice of reducing consumption or risking financial hardship. In addition, the industrial sector, especially those dependent on high energy such as manufacturing, experienced a decline in productivity. As operational costs rise, many companies are forced to reduce their workforce or shift their investments. Furthermore, the environmental impact cannot be ignored. As Europe faces shortages, some countries are forced to increase their use of fossil fuels, potentially increasing carbon emissions. In the long term, this goes against Europe’s commitment to achieve net-zero emissions by 2050. The energy crisis also affects the transition towards renewable energy sources, as investment is diverted to cover short-term shortfalls. To face this crisis, several solutions have been suggested. First, diversification of energy sources is very important. Europe needs to reduce dependence on Russian gas by increasing supplies from other countries, as well as strengthening ties with renewable energy producers. Energy interconnection projects between European countries can help improve supply security. Second, investment in renewable energy technology must be accelerated. European governments are expected to provide incentives for the development of solar, wind and bioenergy energy. Implementing green policies such as the introduction of a carbon tax could encourage this transition and make renewable energy more competitive. Third, energy efficiency also plays an important role in reducing demand. Programs to improve building and industrial efficiency can significantly reduce energy consumption. The government can provide subsidies or incentives for homes and businesses that undertake renovations to improve energy efficiency. Furthermore, improvements in energy storage infrastructure, such as batteries and hydrogen technology, can help balance supply and demand. This solution can reduce dependence on fossil energy when the supply of renewable energy is insufficient. The energy crisis in Europe is a complex challenge that requires a multisectoral approach. Integrated short- and long-term solutions will help Europe not only overcome this crisis, but also prepare for a more sustainable and resilient energy future. Collaborative efforts between governments, the private sector and society are urgently needed to ensure that Europe can recover and thrive amidst increasing energy challenges.