Waste Water recycled to hydrogen. Neuste Beiträge. Never curtail
Unlike the electricity grid, hydrogen can also be stored in the gas grid or in salt
for the energy transition. If Berlin puts its mind to it, Hydrogen refuse collection
Industrial-scale production of electrolyzers for green hydrogenIn 2023 start of the first Gigawatt production at the multi-Gigawatt factory
Green hydrogen – in other words, hydrogen generated using renewable energy – is a key element in the replacement of fossil fuels with renewables. Hydrogen can serve as a storage medium and also as a raw material for further applications, including synthetic fuels. But hydrogen molecules can also be used directly as an energy source to generate electricity and heat, which have previously depended on gas. In combination with a massive expansion of renewables, this is a way to ensure the success of the energy transition. The pathways for producing green hydrogen and its derived products are known; the task now is to scale production to industrial volumes. Powerful electrolyzers of the type to be manufactured soon in Berlin will form the centerpiece of hydrogen technology.
Siemens Energy will locate the industrial production of electrolysis modules in Berlin. Robots will help automate production.
"What a week," says 47-year-old engineer Axel von Levetzow, Head of Manufacturing at the Siemens Energy Gigawatt Electrolyzer Factory in Berlin, a joint venture between Siemens Energy and Air Liquide. It''s late September, and von Levetzow and colleagues have been busy installing new machinery and steadily increasing production. At the same time they''ve been presenting their plans for electrolyzer production to industrialists, entrepreneurs and politicians – including energy ministers from all over the world.
Interest is high because the factory, complete with robots, automation and digitalization, is a centerpiece for climate action and the world''s ambition to reach net zero emissions with a renewable hydrogen economy. Starting this November, the factory begins its gigawatt-scale production of electrolyzer stacks, starting with 1 gigawatt in the first year, moving to 2 gigawatts by 2024 and reaching 3 gigawatts as soon as 2025.
"Before, customers would say, ''We need energy,'' and we built power plants for them," says von Levetzow. "Now we can even deliver everything they need for a complete green hydrogen strategy."
Worldwide the new gigawatt electrolyzer plant in Berlin is the first to be highly automated with robotics and digitalization.
In the factory hall, von Levetzow stops before a chart showing energy production and consumption in the different industrial sectors. A huge part of that chart, power generation, can be decarbonized via direct electrification, he explains. The real challenge has been to decarbonize hard-to-abate sectors like the chemical or steel industry, refineries, mobility, shipping and aviation. "The production of green hydrogen is how we make renewable energy available to all sectors of the economy."
For the production of renewable hydrogen electrolysis stacks, Siemens Energy joined forces with Air Liquide. The joint venture partnership with a company that knows the needs of companies working with industrial gases well, produces synergy for both partners. "In order to quickly ramp up production and reach a scaling effect, we have to convince the market. And that can only be done with a strong partner like Air Liquide with their mastery of hydrogen along the whole value-chain," says von Levetzow.
The buzzword is Power-to-X, or P2X for short. P2X describes the process of converting electricity from renewable energy into carbon-free "green" or e-Hydrogen for direct use as a fuel or feedstock. Moreover, it can also be converted further into climate-friendly e-Fuels such as e-Methanol or e-Ammonia.
The site in Berlin is one of the first industrial-scale electrolyzer factories in the world. And from the announcement in March until the opening in November, it will have taken only eight months to build a smart factory that sets new standards for the mass manufacturing of electrolyzers. In this time, engineers have been developing and scaling up new manufacturing equipment at the same time to fast-track production.
It''s no coincidence that Siemens Energy chose this location, where it produces its most sophisticated gas turbines for customers from all over the world. Over a century ago, steam turbines were being produced here, revolutionizing ship engines and industrial production. The same may be said about the electrolyzer production being booted up these days, although the muted humming of robots and machinery that is filling the 2000-square-meter facility is very different from what production was like a century ago. "We are pioneers," says von Levetzow.
Mara Mertens, Head of Technical Services for Siemens Energy Electrolyzer Manufacturing Gmbh.
Axel von Levetzow, Head of Manufacturing for Siemens Energy Electrolyzer Manufacturing GmbH.
Robots like this one help automate the industrial production of electrolyzer stacks.
The production line at the new Gigawatt Electrolyzer Factory is highly automated.
The industrial production of electrolyzers at the Siemens Energy Plant in Berlin will help to make renewable hydrogen prices competitive with traditional fuels.
Powerful electrolyzer stacks like these form the centerpiece of renewable hydrogen technology.
"Here at our production site in Berlin, we have a lot of experienced colleagues who know how to ramp up production and develop solutions with suppliers," says Mara Mertens, Head of Technical Service at the plant. "This project is anything but plug and play." She also points out that Siemens Energy has been closely cooperating with its long-term partners in the mechanical engineering industry: "It''s one thing for robots to handle spare parts in the car industry. But it''s much more difficult if they have to handle highly sensitive membranes with ultrathin layers."
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