The European Union launched an action plan for Digitalising the energy system in 2022 to promote connectivity and interoperability, foster co-ordinated investments in smart grid technologies, empower customers, enhance cyber security, promote greater efficiency, and design. The European Union launched an action plan for Digitalising the energy system in 2022 to promote connectivity and interoperability, foster co-ordinated investments in smart grid technologies, empower customers, enhance cyber security, promote greater efficiency, and design. The EU is promoting the availability of safe, secure, and sustainable digital energy services. Digitalisation has an impact across the energy value chain, from generation to transport, distribution, supply and consumption. A system-wide approach and EU countries' support to promote cooperation. After years in which the Internet of Things has been one of the main drivers of change in the way we consume, now comes the Internet of Energy. Its aim is to automate and regulate processes, enabling greater energy efficiency and a better use of renewable energies. There is no doubt that the. The paper examines the European Union's efforts to digitalize the energy sector in pursuit of its 2030 and 2050 climate goals.