= Ganymede Energy Provision = GEP is one of the two big companies that mine hydrogen on Jupiter. The headquarters is located on Ganymede, the biggest moon of Jupiter. On Ganymede, there is also a large space port, where hydrogen is loaded on huge tanker ships, that supply the whole solar system. The Company has a fleet of special mining ships that shuttle between Jupiter and Ganymede, where the hydrogen is loaded on the tankers.