{"id":10266,"date":"2019-04-12T09:51:51","date_gmt":"2019-04-12T07:51:51","guid":{"rendered":"https:\/\/www.sonnenseite.com\/science\/lut-university-research-shows-an-economically-viable-pathway-to-a-global-carbon-neutral-electricity-system-by-2050.html"},"modified":"2019-04-12T09:51:51","modified_gmt":"2019-04-12T07:51:51","slug":"lut-university-research-shows-an-economically-viable-pathway-to-a-global-carbon-neutral-electricity-system-by-2050","status":"publish","type":"post","link":"https:\/\/www.sonnenseite.com\/en\/science\/lut-university-research-shows-an-economically-viable-pathway-to-a-global-carbon-neutral-electricity-system-by-2050\/","title":{"rendered":"LUT University research shows an economically viable pathway to a global carbon neutral electricity system by 2050"},"content":{"rendered":"<p>A global, 100% renewable electricity system can be achieved by 2050. A recent study by LUT University describes the steps required to enable a realistic transition that prevents societal disruption.<\/p>\n<p> <!--more--> <\/p>\n<p>The research article &#8220;Radical transformation pathway towards sustainable electricity via evolutionary steps&#8221; was recently published by the leading journal in natural sciences, Nature Communications. It is the first time in the history of the journal that a research article in the field of 100% renewable energy is published.<\/p>\n<p>&nbsp;A transition towards long-term sustainability in global energy  systems based on renewable energy (later also &#8220;RE&#8221;) resources can  mitigate several growing threats to human society simultaneously:  greenhouse gas emissions, human-induced climate deviations, and the  exceeding of critical planetary boundaries. However, the optimal  structure of future systems and potential transition pathways have so  far remained open questions.<\/p>\n<p> The recent LUT <a href=\"https:\/\/www.nature.com\/articles\/s41467-019-08855-1\">research article<\/a> published in <em>Nature Communications<\/em>  describes a global, 100% RE system, which can be achieved by 2050, and  the steps required to enable a realistic transition that prevents  societal disruption. Modelling results show that a carbon neutral  electricity system can be built in all regions of the world in a  technically feasible and economically viable manner.&nbsp;This radial  transformation will require steady but evolutionary changes for the next  35 years, and will lead to sustainable and affordable power supply  globally.<\/p>\n<blockquote>\n<ul>\n<li> We&#8217;ve now shown the realistic transition steps to a global, 100% RE system by 2050 &#8211; Christian Breyer, professor<\/li>\n<\/ul>\n<\/blockquote>\n<p>  The modelled transition starts from the existing power system structure  as of 2015, and existing capacities are decommissioned only after  reaching their technical lifetimes. The speed of RE capacity deployment  is limited to avoid an unrealistically fast transition and is based on  empirical data. For each transition step, linear optimisation of the  power system is performed, with a target of minimum annualised system  cost under given constraints.<\/p>\n<p> <strong>Levelised cost of electricity (LCOE) lower in 2050 compared to today<\/strong><\/p>\n<p>  Modelling results show that a 100% carbon neutral RE-based electricity  system is possible by 2050. Such an energy system is economically  viable, at a levelised cost of electricity (LCOE) of 52 &euro;\/MWh. &#8220;This is  substantially less the the present 70 &euro;\/MWh&#8221;, says <strong>Christian Breyer<\/strong>,  head of the Solar Economy group at LUT. Breyer continues that by 2050,  solar photovoltaic (PV) will be the main source of electricity,  generating almost 70% of all electricity, and wind nearly 18%.<\/p>\n<p>  &#8220;This leads to solar PV dominated electricity supply in most regions,  especially in the Sun Belt, a few wind or hydropower dominated regions  and several regions characterised by a mix of the three main renewable  electricity sources, mainly in the northern hemisphere such as North  America, Europe and Eurasia&#8221; says <strong>Dmitrii Bogdanov<\/strong>, lead researcher for this study.<\/p>\n<p>  The transition modelling was performed with the LUT Energy System  Transition model, which optimises an energy system for given  constraints. The simulation is applied for 5-year time periods for the  years 2015 to 2050. For each period, the model defines a cost optimal  energy system structure and operation mode for the given set of  constraints: power demand, available generation and storage  technologies, financial and technical assumptions, and limits on  installed capacity for all applied technologies. The model is based on  linear optimisation and performed in an hourly resolution for an entire  year.<\/p>\n<p> &#8220;It&#8217;s obvious that the transition towards a 100% renewable  electricity system will demand radical changes in system structure.  Technology and generation mixes will change drastically, while a new  storage sector will emerge. We have, however, shown that the transition  is possible. Our cost asuumptions for PV based electricity and battery  cost are based on more realistic cost projections than the ones in  previous research&#8221;, concludes Breyer.<\/p>\n<ul>\n<li> Link to the article (open access): <a href=\"https:\/\/www.nature.com\/articles\/s41467-019-08855-1\">Radical transformation pathway towards sustainable electricity via evolutionary steps<\/a><\/li>\n<\/ul>\n<div class=\"article-images\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"349\" src=\"https:\/\/www.sonnenseite.com\/wp-content\/uploads\/2019\/04\/LUT_uutiskuva-vaaka-breyer-christian.jpg\" class=\"alignleft\" alt=\"LUT | lut.fi | uutiskuva vaaka | Christian Breyer, Professor of Solar Economy\" srcset=\"https:\/\/www.sonnenseite.com\/wp-content\/uploads\/2019\/04\/LUT_uutiskuva-vaaka-breyer-christian.jpg 770w, https:\/\/www.sonnenseite.com\/wp-content\/uploads\/2019\/04\/LUT_uutiskuva-vaaka-breyer-christian-300x164.jpg 300w, https:\/\/www.sonnenseite.com\/wp-content\/uploads\/2019\/04\/LUT_uutiskuva-vaaka-breyer-christian-768x419.jpg 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/div>\n<h5 class=\"green\">Source<\/h5>\n<p><a href=\"https:\/\/www.lut.fi\/web\/en\/news\/-\/asset_publisher\/lGh4SAywhcPu\/content\/lut-university-research-shows-an-economically-viable-pathway-to-a-global-carbon-neutral-electricity-system-by-2050\" target=\"_blank\" rel=\"noopener noreferrer\">LUT University<\/a> |&nbsp;Christian Breyer, Professor of Solar Economy, +358 50 443 1929, christian.breyer@lut.fi, <a href=\"https:\/\/twitter.com\/christianonre\">@ChristianOnRE<\/a><\/p>\n<div class=\"shariff shariff-align-flex-start shariff-widget-align-flex-start\"><div class=\"ShariffHeadline\">Diese Meldung teilen<\/div><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-medium\"><li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8;border-radius:1%\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fwww.sonnenseite.com%2Fen%2Fscience%2Flut-university-research-shows-an-economically-viable-pathway-to-a-global-carbon-neutral-electricity-system-by-2050%2F\" title=\"Bei Facebook teilen\" aria-label=\"Bei Facebook teilen\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\";border-radius:1%; 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