The global power system landscape in 2025 is undergoing significant changes driven by technology advancements, regulatory shifts, and the demand for sustainable energy solutions. Major power outages like those in the Iberian Peninsula and Chile highlight the need for reliable infrastructure. The RTDS Simulator, utilized for over 30 years, enables hardware-in-the-loop testing, offering crucial insights into power system control devices and protection mechanisms. Inverter-based resources, including renewables, present integration challenges that require detailed modeling and testing. The growth of AI and machine learning has led to a surge in data centers with high reliability demands, driving the need for real-time simulation and hardware-in-the-loop testing to enhance electrical system deployment. Looking ahead, as hydrogen production rises for industrial decarbonization, studying components like electrolysers and storage in hydrogen-based multi-energy systems will be crucial.