As global attention to sustainable development goals continues to deepen, the innovation and advancement of power energy systems have become central to addressing energy crises and driving green transformation. The utilization of renewable energy, optimization of power systems, and development of smart grids are reshaping traditional energy industries, while providing more efficient, cleaner, and smarter energy solutions across various sectors. Against this backdrop, exploring the latest technologies in power energy systems, addressing future challenges, and seizing opportunities are essential for achieving global sustainability goals.