This detailed guide explores the ins and outs of solar electric power generation in maritime settings, focusing on the role of the Solar PV Installer as they confront unique challenges and opportunities. . See Installation Guide for more details on sizing array strings. Microgrid – a self-contained power grid that can operate independently or connected to a utility grid. Globally, port operators have set them-selves the goal to reduce CO2 emissions significantly. European regulations stipulate that the EU's CO2emis-sions from maritime transport to be cut by at least 40. . The International Maritime Organization (IMO) has set ambitious goals, including a 50% reduction in greenhouse gas emissions by 2050. Solar photovoltaic (PV) panels and Battery Energy Storage Systems (BESS) are a great opportunity to achieve decarbonization goals, as well as overall ESG goals for. . As the world embraces renewable energy and sustainable development, solar panel systems on marinas and ports are emerging as a winning formula for economic growth, energy independence, and environmental stewardship. For example, in the UK, port electricity demand is expected to increase from around 20 GWh/year in 2016 to 250 GWh per year by 2050.