Electrical-hybrid propulsion systems, which were first adopted by cruiseships in the 1990s, have now become standard in the cruise sector, offering valuable insights into the future of vessel electrification. Electrification provides a flexible approach to fuel choice, enabling the integration of alternative fuels like LNG, dual-fuel diesel engines, and emerging technologies such as gas turbines and fuel cells. This transition is crucial for companies preparing for stricter environmental regulations and a growing demand for sustainable solutions. Hybrid propulsion systems, combining traditional engines with electrical motors, offer operational flexibility and emissions reduction benefits by enabling vessels to switch fuels based on availability and cost. Moreover, the integration of alternative fuels like LNG and hydrogen, along with technologies like gas turbines and fuel cells, further aids in reducing the carbon footprint of vessels. The practical advantages of electrical propulsion include increased cargo capacity by reducing the space required for traditional engines and fuel storage. Despite challenges like higher initial costs, the industry's focus on sustainability and future regulatory changes is expected to drive the incremental adoption of electrical propulsion across various vessel types. The article also discusses the potential future inclusion of nuclear power in ship electrification, emphasizing the importance of electrical propulsion in reducing the maritime industry's carbon footprint and moving towards cleaner and more efficient ships.