Nexam Chemical presents the second quarter of 2022 on July 14 at 11:00

Charlie Taylor

“We have the technology for a fossil-free energy system”

Published: July 4, 2022, 7:00 AM Updated: July 6, 2022, 2:58 p.m.A recent study from Chalmers shows that gas turbines on fossil-free fuels can play an important role in supplementing the expansion of renewable energy. Forecasts show that electricity use in Sweden has doubled within 25 years. But already today we see examples of power and capacity shortages. So where should all the electricity come from, and how do we get a reliable and stable energy system? Siemens Energy has some of the answers not only for us in Sweden but for the rest of the world. Gas turbine-powered power plants, large-scale heat pumps as well as transmission solutions can contribute in various ways to handle variations from fluctuating renewable energy. The gas turbine is already a central part of the world’s energy system, both to generate electricity and heat, but also to balance electricity networks and support fluctuating types of energy such as wind and solar. A recent study from Chalmers University shows that gas turbines on fossil-free fuels can play an important role in supplementing the expansion of renewable energy, and especially in wind-dominated systems that we have in Sweden. – Excess electricity from wind can be stored longer in form of hydrogen which can then be used as fuel when there is a shortage of electricity from renewable sources. Then the grid needs to be quickly supported with power and capacity, which gas power plants are suitable for. From a contingency perspective, it is also good to have electricity production distributed in different regions, so-called distributed energy, says Hans Holmström, CEO of Siemens Energy in Sweden. A gas turbine from Siemens Energy can run on green hydrogen gas that does not emit any carbon dioxide. It can also run on biomethane and biogas, and on liquid biofuels such as biodiesel. Biodiesel in particular has good storage properties that make it suitable for electrical backup and network balancing needs. – When a turbine running on biofuel is combined with a solution for carbon capture, it can also achieve negative emissions and create a carbon sink that reduces the carbon dioxide content in the atmosphere. , thinks Hans Holmström. They can gradually phase out fossil fuels for the production of heat and cold. At the same time, they can be a flexible resource with the ability to start and stop quickly to handle variations in the electricity system. – Climate change problems are acute and extensive. It is up to all of us to find the solutions that the world needs. We have the technology that enables a robust fossil-free energy system – everything from turbines, electrolysers that provide hydrogen, to heat pumps and the transmission equipment needed to expand and strengthen the electricity grid. We can not do it alone. About Siemens Energy
Siemens Energy is one of the world’s leading companies in energy technology. Together with customers and partners, they develop energy systems for the future and thus support the transition to a more sustainable world. To meet the increased demand, the company is now looking for everything from engineers, logistics, project managers, quality managers, buyers and purchasing managers to welders, CNC operators, electricians, fitters and field service personnel.See all vacancies at: Energy is a trademark licensed by Siemens AG. The article is produced by Brand Studio in collaboration with Siemens Energy AB and not an article by Dagens industri

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