This article provides an overview of the various Power-to-X solutions. It explains what is Power-to-X, why it is important for decarbonization and how it can be used for efficient utilization of variable energy sources. The various energy carriers that can be used to store renewable energy for later use, or for easier transportation, are summarized. The benefits and challenges of Power-to-X are discussed and examples of various solutions being implemented around the globe are presented.