E.ON tests wind-power storage in German gas supply network

German utility E.ON has unveiled plans for a €5m ($6.8m) pilot plant that would use wind power to produce hydrogen for storage in the country’s existing gas grid.

The facility, in Falkenhagen in northeast Germany, will use power from intermittent renewable sources to generate about 360 cubic metres of hydrogen per hour through electrolysis – the process by which hydrogen and oxygen can be separated out of water.

Hydrogen produced at the plant, expected online in 2013, will be blended into the natural gas flowing in the Ontras pipeline, making the grid a storage system for renewable energy.

"We need new storage capacities so that we can further increase the share of weather-dependent wind power in our generation portfolio in coming Log in to read complete article.

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