World's Largest Power-to-Gas Plant for Methane Production goes into Operation

30 Oct 2012

World’s largest gas-to-power plant for methane production goes into operation

The Centre for Solar Research Baden-Württemberg (ZSW) has inaugurated a research facility to convert solar power to methane. The methane is then added to the natural gas grid.

The project uses solar power to electrolyse water in a pressurised alkaline electrolyser, producing hydrogen and oxygen. The hydrogen gas then undergoes methanation, and with the facility able to produce up to 300 cubic meters of renewable methane per day, it is the largest of its type in the world.

Commenting on the opening, Dr. Michael Specht, head of ZSW-Renewable fuels added: "Our research system works dynamically and intermittently. Unlike the first system it can respond flexibly to the rapidly changing supply of electricity from wind and solar power and to sudden interruptions. This is a condition of future energy systems with a high share of renewable electricity."

Future plans are to further optimise the system, along with partners Fraunhofer IWES and SolarFuel, and to potentially scale it up to 1 to 20 megawatts.

Source: ZSW (from original press release in German)


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