This chapter explores the transformative role of Artificial Intelligence (AI) in addressing significant challenges within the energy sector, including the integration of renewable energy, the management of distributed systems, the optimization of electrical grids, and the enhancement of building energy efficiency. By leveraging large volumes of data, AI provides innovative solutions to improve sustainability, flexibility, and operational efficiency. The discussion emphasizes the critical need for high-quality, standardized datasets to ensure the accuracy and scalability of AI applications. Advancements are categorized into three primary areas: distributed energy generation, microgrid flexibility, and building energy optimization. For each area, this chapter examines the latest methodologies, breakthroughs, and practical implementations that are shaping the future of energy management. Through a comprehensive analysis of the intersection between advanced technologies and energy systems, this chapter emphasizes the potential of AI to facilitate the energy transition while addressing essential challenges such as data standardization and accessibility, which are vital for realizing its full potential.