Decentralized Energy Systems refer to a variety of technologies and approaches that allow for energy generation and management closer to consumers rather than through traditional, large-scale power plants. These systems often utilize renewable energy sources such as solar panels, wind turbines, and biomass along with energy storage technologies like batteries. DES promotes energy independence, resilience, and sustainability by allowing local communities to take charge of their energy supply and demand. Typically, they contribute significantly to reducing emission footprints and enhance energy security and efficiency. By implementing smart grid technologies, users can also optimize energy usage patterns and integrate various energy sources. Furthermore, these systems often include peer-to-peer energy trading models facilitated by blockchain technology, allowing individuals with excess energy generation capacity to sell energy within their communities.