{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Bio catalyst plant turns excess power into gas' data-url='/boclips/videos/5c54d448d8eafeecae1f1600' data-video-url='/boclips/videos/5c54d448d8eafeecae1f1600' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nBio catalyst plant turns excess power into gas\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eLEADIN:As the world moves to renewable energy sources, like wind and solar, experts are looking for methods to store the large amounts of energy they produce for when supply is less abundant.A startup from Germany has developed a...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eLEADIN:As the world moves to renewable energy sources, like wind and solar, experts are looking for methods to store the large amounts of energy they produce for when supply is less abundant.A startup from Germany has developed a high-tech solution that converts excess electricity into methane gas, ready for the grid.STORYLINE:On the outskirts of Copenhagen, this towering nine-metre facility could be changing the way people think about gas.It's the first full-scale power-to-gas plant by Munich-based clean tech startup Electrochaea. Power-to-gas is a technology that converts excess electrical power to a gas fuel - using electricity to split hydrogen and oxygen from water and then combining the hydrogen with carbon dioxide to form methane. \"The gas that we are producing here, the methane gas, is truly a bio gas,\" explains Electrochaea chief technology officer Doris Hafenbradl.\"So we are not using any fossil sources that is being injected into the gas grid. \"We are reducing really the amount of methane is coming from the fossil sources, from fracking or from other sources, indeed. This is all biologically-made bio gas.\"The company opened this one megawatt power-to-gas plant in June last year. By July, it was injecting methane gas into Copenhagen's local energy grid.Key to how the technology works is this greenish, single-celled microorganism, called archaea. It was discovered by experts at the University of Chicago.The bio catalyst is found in various habitats, including extreme environments like volcanic hot springs. It is also found in the digestive system of animals which is one of the reasons why cattle produce large amounts of methane. The company says the process begins with an electrolyzer splitting water into hydrogen and oxygen. The hydrogen is then fed to a separate bioreactor containing the archaea. Carbon dioxide from a biogenic or industrial source is also added, later producing methane.  In this way, experts can store excess energy while also reducing the amount of carbon dioxide in our atmosphere.Hafenbradl says the carbon dioxide can be taken from various sources, such as steel mills, cement factories or even breweries.\"The CO2 content in the atmosphere is rising, but it should really be reduced,\" she says.\"And our organisms in the bio reactor, they are consuming CO2 and turning it into a valuable gas, which is the methane, which can then be used for mobility, for heating, at any place basically where there is a gas grid, where there is access to the gas grid, where we are providing the methane that these organisms here are making.\"It's claimed Electrochaea's technology can be applied in various scenarios, from storing excess renewable energy to locking in carbon dioxide.\"I think we have two really interesting potentials for the technology, the first is what we originally designed it for, which was to be able to store large amount of energy in the gas grid, which is really the biggest battery that we have already built,\" explains Electrochaea CEO Mich Hein.\"But it turns out that there's a large amount of interest in this technology for also being able to recycle and store carbon as a combustion fuel that can be used clean, essentially replacing fossil fuels with a renewable energy and making use of all the infrastructure we have available to us for combustion.\"Despite efforts to move away from fossil fuels, experts say gas will play a useful role for many decades to come.Dr. Sheridan Few from Imperial College London's Grantham Institute says their research suggests natural gas will play an important role for the next twenty to thirty years.\"The amount of carbon dioxide emitted per unit of energy produced with gas is around half of that used for coal,\" he says.\"So it's not the end goal fuel but it's somewhere in between. And gas, it's used a lot today and getting away from that takes a long time. \"It can play an important role especially because you can increase the power up for electricity very rapidly using gas which can help you in balancing intermittent supply from variable renewables. \"So, whilst in the longer term we'd expect the role to decline, I think there will be some role for some time to come.\"But Dr. Few says the current high cost of electrolyzers may be a challenge for Electrochaea, although research indicates that by scaling up production those costs could be brought down. In October, Electrochaea announced plans to build a second power-to-gas plant in Hungary.When complete, the grid-scale facility will have a power consumption of 10 megawatts - ten times the power of the Copenhagen pilot plant.The company hopes to have plants with more than one gigawatt of capacity running by 2025.\"If you are using only energy that's renewable to refuel the carbon cycle, if you will, you can actually draw carbon dioxide out of the atmosphere and you could reduce the amount of CO2 that's available and still use combustible technologies because you wouldn't be releasing any gas,\" says Hein.\"And many of the products that you could make by pulling carbon out of the atmosphere are durable, like concrete and aggregates, plastics and thing of that nature, you can end up storing carbon for very, very long periods of time.\"Copenhagen, Denmark - 13 February 20171. Various of Electrochaea BioCat plant at Biofos sewage treatment plant2. SOUNDBITE (English) Doris Hafenbradl, Chief Technology Officer of Electrocaea:\"The gas that we are producing here, the methane gas, is truly a bio gas, so we are not using any fossil sources that is being injected into the gas grid. We are reducing really the amount of methane that is coming from the fossil sources, from fracking or from other sources, indeed. This is all biologically-made bio gas.\"3. Mid of Hafenbradl approaching plant4. Close of Hafenbradl pouring archaea bio catalyst from plant5. Various of Hafenbradl inspecting archaea bio catalyst 6. Mid of plant piping, reading 'Nitrogen' and 'Overflow Achaea'7. Close of plant piping, reading 'Biogas'8. SOUNDBITE (English) Doris Hafenbradl, Chief Technology Officer of Electrocaea:\"The CO2 content in the atmosphere is rising, but it should really be reduced and our organisms in the bio reactor, they are consuming CO2 and turning it into a valuable gas, which is the methane, which can then be used for mobility, for heating, at any place basically where there is a gas grid, where there is access to the gas grid, where we are providing the methane that these organisms here are making.\"9. Various of Electrochaea worker monitoring plant performance on computer 10. Wide pan left of Biofos sewage treatment plant11. Various of steam coming from chimneys12. Tilt up of sewage treatment plant13. Wide of wind turbines14. Close of Electrochaea BioCat plant15. SOUNDBITE (English) Mich Hein, CEO of Electrocaea:\"I think we have two really interesting potentials for the technology, the first is what we originally designed it for, which was to be able to store large amounts of energy in the gas grid, which is really the biggest battery that we have already built. But it turns out that there's a large amount of interest in this technology for also being able to recycle and store carbon as a combustion fuel that can be used clean, essentially replacing fossil fuels with a renewable energy and making use of all the infrastructure we have available to us for combustion.\"Copenhagen, Denmark - 21 March 2017 16. Low shot of cyclists driving by17. Mid of cyclists on street18. Wide of harbour in central Copenhagen19. Close of Danish flag flyingLondon, UK - 25 April 201720. Various of Dr. Sheridan Few, Research Associate, Grantham Institute, reading21. SOUNDBITE (English) Dr. Sheridan Few, Research Associate, Grantham Institute:\"The amount of carbon dioxide emitted per unit of energy produced with gas is around half of that used for coal, so it's not the end goal fuel but it's somewhere in between. And gas, it's used a lot today and getting away from that takes a long time. It can play an important role especially because you can increase the power output from electricity very rapidly using gas which can help you in balancing intermittent supply from variable renewables. So, whilst in the longer term we'd expect the role to decline, I think there will be some role for some time to come.\"Copenhagen, Denmark - 21 March 2017 22. Various of chef making noodle dishes on gas stoveCopenhagen, Denmark - 13 February 201723. Low pan right of Electrochaea BioCat plant24. SOUNDBITE (English) Mich Hein, CEO of Electrocaea:\"If you are using only energy that's renewable to refuel the carbon cycle, if you will, you can actually draw carbon dioxide out of the atmosphere and you could reduce the amount of CO2 that's available and still use combustible technologies because you wouldn't be releasing any gas. And many of the products that you could make by pulling carbon out of the atmosphere are durable, like concrete and aggregates, plastics and thing of that nature, you can end up storing carbon for very, very long periods of time.\"25. Low shot of Electrochaea BioCat plant26. 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