The International Energy Agency (IEA) regularly conducts in-depth peer reviews of the energy policies of its member countries. This process supports energy policy development and encourages the exchange of international best practices and experiences to help drive secure and affordable clean energy transitions.Poland’s energy policy aims to decarbonise its energy supply through expanding renewable energy, introducing nuclear energy, powering transportation through electricity, and increasing energy efficiency across the economy. A central aspect of Poland’s energy policy is reducing the reliance on coal, especially for electricity generation and building heating. There is a strong policy focus on energy security and ensuring a just transition that maintains affordable access to energy and protects vulnerable consumers, while promoting economic growth.Poland has made notable progress on energy transition. It has one of the fastest growing markets for distributed solar PV in Europe, and it has developed a strong programme to drive offshore wind deployment. Poland has also taken important steps to improve energy security, like diversifying energy imports away from Russia. However, the country’s energy mix is still dominated by fossil fuels. All sectors have considerable work ahead to meet targets for increasing the share of renewables, lowering energy demand and reducing emissions.In this report, the IEA provides a range of energy policy recommendations to help Poland smoothly manage the transition to an efficient and flexible low-carbon energy system.