【DE】H2EXPO & CONFERENCE informs about green hydrogen sales markets  

In order to slow down the effects of climate change as quickly as possible, the release of greenhouse gases worldwide and across sectors must be reduced. At the same time, the shortage and the dramatic price increase of fossil fuels lead to a continuously increasing demand for renewable energies. Green hydrogen is seen as one of the decisive energy sources for the secure energy supply of the future. With the H2EXPO & CONFERENCE as part of WindEnergy Hamburg, the world’s largest industry meeting of the wind industry, Hamburg brings experts from the energy sector into dialogue with political decision-makers in September and sets course towards climate neutrality.



 Photo: hamburg-messe.de


Around renewable or green hydrogen, interwoven value-added networks and new alliances are emerging worldwide. From generation to transport to consumption, from the direct use of the energy source to storage in electricity-based derivatives (PtL – power-to-liquid), one thing is becoming increasingly clear: Only through cross-industry national and international cooperation can the urgently needed measures be implemented to achieve the ambitious climate goals. H2EXPO & CONFERENCE is the perfect platform for this.


Bernd Aufderheide, Chairman of the Management Board of Hamburg Messe und Congress, emphasizes the need for such a forum for knowledge transfer around renewable energies: “In order to master the current economic and ecological challenges in the energy market and achieve our climate goals, we must act quickly. Germany is seen internationally as one of the leading business locations for technology innovation. Here in Hamburg, we will enable key players and developers to exchange cross-industry and the associated development and presentation of their projects at the H2EXPO & CONFERENCE.”


The largest emitters of greenhouse gases


In order to be able to develop advanced energy solutions for the different sales markets, industry-specific energy consumption and emissions are analyzed and categorized.


On 06/15/2022, the European Parliament updated the annotated infographic “Emissions from planes and ships: facts and figures” from 2019. According to this, 28.5% of the transport sector is responsible for European greenhouse gas emissions. Broken down, road traffic with cars and trucks is the largest issuer with 20.5%; followed by European merchant shipping with around 4% and international air transport with 3.8%.


The areas of electricity and heat generation, industry and commerce as well as agriculture and forestry account for the remaining 71.5% of emissions. There is a need for action in principle in all areas of our daily lives. However, one focus is on the largest industrial consumers and emitters: iron and steel production worldwide account for 7.2% and the chemical and petrochemical industry accounts for 3.6% of climate-relevant emissions, as Hannah Ritchie, head of research at Our World In Data, in the report “Sector by sector: where do global greenhouse gas emissions come from?” broken down.


Status quo of hydrogen use in road traffic


In local and long-distance transport, hydrogen has been used as a climate-neutral energy supplier since the beginning of this century. Between 2003 and 2010, the Hamburg transport association HVV used four buses equipped with hydrogen-powered fuel cells in regular services. In 2011, this model series was replaced by fuel cell hybrid buses. These combine an electric motor and a fuel cell as an energy converter as well as a tank and a battery as an energy storage device. The scheduled buses in Hamburg’s HafenCity are refueled. If the focus is extended to the German and European range of hydrogen filling stations for passenger cars and heavy goods transport, it becomes clear that the market ramp-up for the use of hydrogen technologies has gained a lot of momentum since the beginning of this year. At H2.live, a continuously updated map shows all European filling stations where hydrogen can be publicly refueled with 350 and/or 700 bar.


Hydrogen as an energy supplier in aviation and shipping


Worldwide, about 90,000 ships belong to civil transport and commercial shipping. According to an estimate by the analysts of the Flight Ascend Consultancy, almost 23,600 passenger and freight aircraft were used in air traffic in 2019. Decarbonization in these areas must go hand in hand with the establishment of global supply chains for emission-free fuels. Basically, the technologies for drive systems based on hydrogen or its derivatives are already in place. For example, there are first pilot projects of hydrogen-powered fuel cell drive systems in Dutch inland navigation: Between Rotterdam and Antwerp, Belgium, the converted inland container ship Maas is to take on the pioneering role of clean and sustainable transport in the future. The conversion of this ship will reduce greenhouse gas emissions by about 2000 tons of CO2 per year. Similar projects are gaining momentum in Japan and South Korea.


The gradual decarbonization of aviation has also already begun in Hamburg: On 22.06.2022, the network of Hamburg Aviation e.V. presented the project “Green Fuels Hamburg” for climate-neutral air traffic. A consortium of Airbus, Uniper, Siemens Energy and Sasol ecoFT has announced that it will build a production plant in Hamburg for the production of at least 10,000 tons of synthetic fuel from renewable energies. This is intended to cover up to 20% of the total German demand for these sustainable fuels by 2026.


Decarbonization of industrial sectors


Since the beginning of the 20th Century, hydrogen is used in the chemical industry – among other things for the production of nitrogen fertilizers. However, the hydrogen used here did not come from renewable energies. The increasing and predictable availability of green hydrogen as well as the development of climate-friendly processes also enable heavy industry to change its production processes in a forward-looking manner. An example of this is the climate-neutral steel industry. By blowing hydrogen instead of coal dust as a reducing agent in the blast furnaces alone, emissions at the production sites can be significantly reduced. It gives the impression that the steel industry, as one of the largest emitters currently with the so-called “green steel”, ushers in the age of climate change.


Claus Ulrich Selbach, Head of Maritime and Technology Fairs at the Hamburg Messe und Congress, summarizes: “The immense number of projects that are created around Green Hydrogen reflects the urgency of a climate-neutral renewable energy industry. Nevertheless, it becomes clear how creative and competent the experts who work together across industries and countries are. I am very much looking forward to opening the door a little further here in Hamburg during WindEnergy Hamburg and the H2EXPO & CONFERENCE with our exhibitors and top-class speakers to a climate-neutral future!”





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