The Ptolemais V Power Plant, situated in Ptolemais, Greece, is a significant 660 MW thermal power facility crucial to Greece’s energy infrastructure. Operated by the Public Power Corporation (PPC), this plant is designed to provide reliable electricity and support national energy security. In addition to its technical advancements, including upgraded turbine and generator systems, the plant’s design emphasizes operational safety and efficiency. It features enhanced cooling systems and automated control technologies to ensure smooth and reliable performance. The Ptolemais V Power Plant also plays a vital role in local economic development. It provides numerous jobs and contributes to the regional economy through its operations and maintenance activities. Furthermore, the plant supports Greece’s energy transition by incorporating modern technologies to reduce its environmental footprint, even as it continues to rely on lignite as its primary fuel source.