In an era defined by the critical need for both operational efficiency and environmental responsibility, the demand for reliable and sustainable power generation has never been greater. For industrial facilities, the ability to generate electricity on-site provides a strategic advantage, ensuring continuity of operations, mitigating the impact of grid instability, and offering pathways to energy independence. This book serves as a comprehensive guide to the diverse world of industrial power generation systems, from traditional reciprocating engines and turbines to the latest advancements in renewable energy, energy storage, and integrated hybrid solutions. Our goal is to provide a clear, practical, and authoritative resource that empowers engineers, managers, and students to navigate the complexities of modern power systems and make informed decisions that drive both performance and sustainability.