Power-to-Gas: heading towards maturity: An evaluation of the Power-to-Gas (PtG) project database maintained by Ludwig-Bolkow-Systemtechnik GmbH shows that PtG-technology is advancing towards maturity and can increasingly be found in commercial applications. In Germany, more than 50 PtG plants, with a total electrolyser capacity of over 55 MW, are in operation or planned. Further large projects, in the three-digit MW range, have already been announced

摘要

In power-to-gas (PtG) projects, electricity is used to produce hydrogen (PtH2) or, by adding another process step, methane (PtCH4). By applying suitable synthesis processes further conversion to liquid fuels is also possible (power-to-liquid, PtL). When the electricity is generated from renewables, the resulting chemical energy carriers (hydrogen, methane, liquids) are virtually emissions-free. They can be easily and efficiently stored, offering a promising option for long-term energy storage and providing an interconnection between the electricity, gas, and transport sectors (so-called 'sector coupling').