Ports are increasingly focusing on decarbonization efforts, particularly in the maritime sector, with an emphasis on electrifying ground vehicles. The article discusses a five-year phase plan to electrify ground vehicles at a mid-sized European port as a crucial step towards broader decarbonization. Currently, many ports heavily rely on diesel-powered vehicles, consuming millions of liters of diesel annually. Transitioning to electric ground vehicles has been proven feasible by industry leaders like APM Terminals and HHLA, showcasing improved total cost of ownership and environmental benefits. By year five, the goal is to have half of the existing diesel equipment fleet replaced or retrofitted with electric alternatives, with charging infrastructure strategically deployed throughout the port. This transition will lead to a modest increase in electricity demand but will replace millions of liters of diesel with cleaner energy sources, reducing carbon dioxide emissions and improving local air quality. To meet the increased electricity demands sustainably, a combination of national grid supply and onsite renewable generation, like solar power, will be utilized. The article highlights the importance of electrifying ground vehicles at ports for environmental benefits, sustainability, and compliance with air-quality regulations.