The ETOGAS GmbH (formerly SolarFuel GmbH) develops, manufactures and sells systems for the conversion of excess green electricity into hydrogen and methane. Cogeneration plants, cars and the industry to make use of the renewable gas. The Power-to-Gas (P2G) mentioned method ensures that highly fluctuating sources like wind and solar can be integrated into a reliable energy supply - renewable electricity is storable for a long and obtainable everywhere.