Intention: The technology enterprise Electrochaea uses specific microorganisms, so-called methanogenic Archaea, as biocatalysts for the methanation of electricity from renewable energies. Renewable methane has many advantages compared to other storage gas: The Archaea produces the gas in consistently high network quality and can be fed into the existing natural gas infrastructure without costly processing for transportation and storage. At the same time, this process binds CO2, released from industrial sources which contributes to an improved CO2-balance. Natural gas operators perceive the chance that the infeed of renewable methane improves the CO2 balance of natural gas and opens the gas infrastructure to use carbon dioxide-neutral gases.