This diploma delves into the fundamentals of nuclear power, beginning with an overview of nuclear energy, its historical development, and its regulatory framework in the UK. Students will explore essential concepts in nuclear physics, reactor theory, and the configurations of various reactor types. Key components of a nuclear power plant, including reactor cores, control systems, and power conversion technologies, are studied in detail. Emphasis is placed on understanding coolant systems, heat transfer mechanisms, and instrumentation critical for efficient and safe plant operations. Safety and emergency preparedness are central to the curriculum, with modules on risk assessment, emergency response, and case studies of nuclear accidents providing real-world insights. The regulatory and licensing aspects of nuclear power, including radiological protection and waste management, are also covered extensively. Students will explore advanced reactor technologies, including Generation IV reactors and Small Modular Reactors (SMRs), as well as innovations in the nuclear fuel cycle. Practical aspects of plant operations, such as maintenance, outage planning, and human factors, ensure learners gain a holistic understanding of the field. The course concludes with an exploration of future trends in nuclear power, including fusion technologies, global cooperation, and the ethical dimensions of nuclear energy, preparing students to contribute to the evolving energy landscape.