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The power-to-gas plant in Falkenhagen was extended by a methanisation plant

9 May, 2018

Methanation plant in Falkenhagen opens

Important step for a successful energy transition
The power-to-gas plant in Falkenhagen was extended by a methanisation plant; © Uniper
Joint Press Release - 09-05-2018
  • Successful completion to expansion of existing power-to-gas plant in Falkenhagen, Germany
  • Sector coupling for renewable electricity through conversion to synthetic natural gas begins
  • European research project STORE&GO enters next phase
  • Start of 24 month research operations

As part of the international STORE&GO research project, opening ceremonies were held today for the methanation plant expansion to the existing power-to-gas facility in Falkenhagen. While the current facility feeds pure hydrogen (so-called “WindGas”) directly into the gas grid, the new methanation plant provides for the generation of “green” methane. In this second stage, hydrogen from regenerative energy sources is converted into methane (CH4), i.e. synthetic natural gas, using CO2 from a bio-ethanol plant. This constitutes an important contribution to the success of the energy transition, because green methane in contrast to green hydrogen can be used in a wider variety of ways. It can be made available to a variety of markets, such as the manufacturing sector, the electricity, and heating market as well as the mobility sector. Moreover, it provides for unrestricted use of the natural gas infrastructure, including for transport and storage. This stored energy is then available as backup whenever there is an insufficient supply of solar and wind power.

The STORE&GO project brings together 27 partners from six countries to explore the opportunities for integrating power-to-gas applications into the European energy network and, in particular, to encourage the methanation of hydrogen as an important component of the energy transition. The wind-to-gas pilot plant “WindGas Falkenhagen” was constructed in 2013 to store wind energy in the natural gas grid. The cornerstone for the methanation plant was laid in July 2017, and additional essential components were put in place directly alongside the existing facility. All work was completed on schedule. The methanation plant produces up to 57 m³/h of SNG (synthetic natural gas, at normal pressure and temperature), which equates to an output of 600 kWh/h. By comparison: The same amount of energy could heat a 50-m² apartment for a month. Moreover, the heat generated by the process is used by a nearby veneer plant.

The innovative, commercial scale facility was created in cooperation with the partners thyssenkrupp Industrial Solutions, the research center for the German Association for Gas and Water (DVGW), and the Karlsruhe Institute of Technology and will be in operation for analysis over the next 24 months. Dr. Christian Ehler, member of the European Parliament, is serving as sponsor to the project.

Dr. Christian Ehler (EPP/CDU), European Parliament member for Brandenburg, comments: “I am very pleased to assume the role of sponsor for this forward-looking and innovative European research project in the energy sector, ‘STORE&GO,’ at the technology hub in Falkenhagen. By connecting to the regional natural gas grid, the power-to-gas project was perfectly suited to sound out the technical and regulatory challenges in building and operating storage facilities. It gives me great pleasure to see how Uniper continues to attach so much importance to the role played by power-to-gas. CO2-neutral gas can make a decisive contribution to achieving Europe’s de-carbonization and energy goals.“

Eckhardt Rümmler, Uniper board member responsible for innovation, comments: “Without expanding options for long-term storage, the energy revolution will fail. With the launch of the methanation plant, an expansion to our successfully tested power-to-gas facility, we are demonstrating that the technology is ready to produce green gas from renewable forms of energy. This allows us to integrate renewables into the energy system so that they can be utilized in new applications. Now it’s up to policy makers to make adjustments to the legal environment in such a way so that power-to-gas facilities will at last be able to operate profitably at a commercial scale.”
Professor Thomas Kolb from the Karlsruhe Institute of Technology says: "Power-to-gas technologies and natural gas infrastructure are indispensable elements of the energy supply of the future for Germany and Europe. I am pleased that the new facility utilizes a catalytic honeycomb reactor developed in Karlsruhe to provide for adaptable methanation on a demand basis.”

Helmut Knauthe, Chief Technology Officer, thyssenkrupp Industrial Solutions AG, comments: "Power-to-gas is one of the key technologies for the energy transition. Today’s opening marks a significant step on the road toward industrial use. In order to further increase cost efficiency, we are focusing on opportunities for methanation at facilities like this. Moreover, going forward we will be able to use industrial emissions for methane recovery.”

Michael Riechel, President of DVGW, says: “Gas is an ideal partner for the climate-friendly energy system of tomorrow. And power-to-gas technologies will play a key role. They are the central element for coupling together the electric and gas infrastructure, thereby facilitating the integration of renewable forms of energy into cutting edge delivery systems. CO2-free generation and use of gases makes it possible to increase the share of renewable forms of energy in the energy stream. But for power-to-gas to achieve its potential as the “green battery” for the energy transition, regulatory hurdles will have to be eliminated and the facilities given equal access to the marketplace.”

Attending the official opening ceremonies were Dr. Christian Ehler, MEP, and Eckhardt Rümmler, Chief Operating Officer at Uniper SE, as well as Jochen Homann, President of the Federal Network Agency for Electricity, Gas, Telecommunication, Mail, and Railways, Michael Riechel, President of the DVGW, Helmut Knauthe, Chief Technology Officer at thyssenkrupp Industrial Solutions, Prof. Dr.-Ing. Thomas Kolb from KIT, Dr. Axel Wietfeld, Managing Director, Uniper Energy Storage, along with guests from the worlds of politics, science, and business.

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