Greece
Blue Gem Maritime Co operates an open-type passenger-cargo vessel named Οσία Μεθοδία, serving daily routes between Kimwlo (Psathia) and Mílos (Pollonia) in the Aegean Sea. The company has installed a self-sustaining photovoltaic system with a capacity of 8,400 kWp on board, which is expected to produce around 12,600 kWh annually, reducing CO2 emissions by approximately 8.8 tons per year. This vessel provides services for both local residents and tourists in the two islands, ensuring immediate and efficient coverage of the area's communication needs while maintaining safety and protecting the marine environment.
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