On September 27, 2010, the solar ship MS Tûranor PlanetSolar set sail from the port of Monaco, beginning a historic journey that would lead it to become the first ship to circumnavigate the globe using only solar energy. solar energy After a 584-day adventure, the ship returned to. MS Tûranor PlanetSolar, after May 23, 2025 known as the Porrima P111, was previously known under the project name PlanetSolar, founded by the Swiss explorer Raphaël Domjan, and relaunched on May 23, 2025 in Kaohsiung, Taiwan is the largest solar-powered boat in the world originally launched. SOLAR COUSINS - Raphaël Domjan has long been an advocate of renewable energy, finally realising his dream in 2005, when he set up an association with people able to help him develop the PlanetSolar project. Five years later, a catamaran 35 metres long, 23 metres wide, with solar panels covering a. The PlanetSolar is the largest solar boat in the world with 512 m² of solar panels. It was a milestone in the promotion of renewable energy and remains active in sustainability projects. She started her build in 2008 in Kiel, Germany in the Knierim Yachtbau shipyard. When in 2004, during another trip to Iceland, he retraced the steps of his first visit Raphaël Domjan.