World 's largest , fastest fully solar-powered boat is attempting round-the-world tour . `` Planet Solar '' has 470 square meters of panels -- equivalent to two tennis courts . The futuristic-looking `` Planet Solar , '' which is 100 percent powered by sunlight , is the brainchild of Swiss engineer Raphael Domjan , a former paramedic with a passion for innovative design and renewable energies . It will sail from San Francisco to Hawaii in just over a month and then on to Australia for the next leg.
World 's largest , fastest fully solar-powered boat is attempting round-the-world tour . `` Planet Solar '' has 470 square meters of panels -- equivalent to two tennis courts . It will sail from San Francisco to Hawaii in just over a month and then on to Australia for the next leg.