{"id":5736,"date":"2021-06-02T11:14:59","date_gmt":"2021-06-02T09:14:59","guid":{"rendered":"https:\/\/sonnenallee.sma.de\/?p=5736"},"modified":"2022-11-18T11:41:04","modified_gmt":"2022-11-18T10:41:04","slug":"solar-facades","status":"publish","type":"post","link":"https:\/\/sonnenallee.sma.de\/en\/climate-change\/solar-facades\/","title":{"rendered":"Solar facades"},"content":{"rendered":"<header class=\"swe-post-header swe-post-header-image-right\"><div class=\"info\"><h1 itemprop=\"headline\">Solar facades<\/h1><div class=\"subtitle\">The upright alternative<\/div><div class=\"blog-tags\"><a href=\"https:\/\/sonnenallee.sma.de\/en\/tag\/climate-change\/\" rel=\"tag\" class=\"tag\">#Climate and change<\/a><a href=\"https:\/\/sonnenallee.sma.de\/en\/tag\/solar-energy\/\" rel=\"tag\" class=\"tag\">#Solar energy<\/a><\/div><div class=\"boxes\"><div class=\"wpulike sonnenallee-display wp_ulike_general_class\"><div class=\"grid\"><div class=\"count-box\"><span class=\"count-box\">6<\/span><\/div><div class=\"symbol\"><\/div><\/div><\/div><div class=\"time\">5 Min.<\/div><\/div><\/div><div class=\"preview\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/07\/eKitaMarburgSolarfassaden.jpg\"\/><small class=\"copyright avia-copyright\">\u00a9 Eibe S\u00f6nnecken, opus Architekten BDA<\/small><div class=\"boxes callout\"><button class=\"share\">Share<\/button>    <div class=\"wpulike  sonnenallee-interactive\"><div class=\"wp_ulike_general_class wp_ulike_is_not_liked\"><button type=\"button\"\n                    data-ulike-id=\"5736\"\n                    data-ulike-nonce=\"19833a1658\"\n                    data-ulike-type=\"post\"\n                    data-ulike-template=\"sonnenallee-interactive\"\n                    data-ulike-display-likers=\"0\"\n                    data-ulike-likers-style=\"popover\"\n                    class=\"wp_ulike_btn wp_ulike_put_text wp_post_btn_5736\"><span>Like<\/span>            <\/button><\/div><\/div>\n\t<\/div><div class=\"av-share-box hidden callout\"><div class=\"share-content\"><span class=\"close\"><img decoding=\"async\" src=\"\/wp-content\/themes\/enfold-child_sonnenallee\/images\/icons\/kreuz-dunkel.svg\"\/><\/span><h1>Share article<\/h1><h2>How do you want to share the article?<\/h2><ul class=\"av-share-box-list noLightbox\"><li class=\"av-share-link av-social-link-mail\"><a aria-label=\"mail\" href=\"mailto:?body=https%3A%2F%2Fsonnenallee.sma.de%2Fen%2Fclimate-change%2Fsolar-facades%2F&amp;subject=Solar%20facades\" title target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/themes\/enfold-child_sonnenallee\/images\/mail.png\"\/><span class=\"avia_hidden_link_text\">mail<\/span><\/a><\/li><li class=\"av-share-link av-social-link-facebook\"><a aria-label=\"Facebook\" href=\"https:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Fsonnenallee.sma.de%2Fen%2Fclimate-change%2Fsolar-facades%2F&amp;t=Solar%20facades\" title target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/themes\/enfold-child_sonnenallee\/images\/facebook.png\"\/><span class=\"avia_hidden_link_text\">Facebook<\/span><\/a><\/li><\/ul><\/div><\/div><\/div><\/header>\n<div class=\"swe-post-container\">\n<div class=\"swe-author author\"><p><strong>Text:<\/strong> Birgit Scheuch, 02.06.2021<\/p><\/div>\n<section  class='av_textblock_section av-hm5a1-04a1b10d35550a643b98b6cb1ed0bc82'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>For most people, the word \u201cphotovoltaics\u201d conjures up images of shimmering blue panels on single-family homes or open spaces next to the highway. In fact, around three quarters of the PV modules in Germany are installed on roofs and one quarter on the ground. However, that leaves lots of unused space for vast amounts of clean electricity where you might least expect it: in the vertical plane.<\/strong><\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lamdcixg-f6a02fb668177d58fe60e364b45ababd\">\n#top .hr.hr-invisible.av-lamdcixg-f6a02fb668177d58fe60e364b45ababd{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-lamdcixg-f6a02fb668177d58fe60e364b45ababd hr-invisible  avia-builder-el-4  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-16-8261b1aeacd6228da07018eaf7992ea7'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Renewable energies to the fore<\/strong><\/h2>\n<p>PV systems on roofs and in open spaces only work when there are enough of them. However, downtown high-rises and multi-story office and residential buildings do not have large enough roofs to supply electricity, let alone produce it. No wonder all eyes are on fa\u00e7ades.<\/p>\n<p>\u201cBuilding surfaces offer huge opportunities to use the built environment to produce renewable energy on-site. Our goal is to protect the land and countryside while upgrading the buildings in the EU and delivering on the European Green Deal, which has targeted on-site production of electricity as a key strategy for exiting the carbon age,\u201d said Pierluigi Bonomo of the <a href=\"https:\/\/www.supsi.ch\/isaac_en\/istituto\/mission.html\" target=\"_blank\" rel=\"noopener\">Institute for Applied Sustainability in the Built Environment<\/a> at the University of Applied Sciences and Arts of Southern Switzerland (SUPSI).<\/p>\n<p>Fa\u00e7ade-mounted solar panels are 20 to 30 percent less efficient than roof-mounted ones depending on the solar irradiation. However, this disadvantage is offset by the much larger area offered by fa\u00e7ades on multi-level buildings. Also, as the sun dips lower during the year, it irradiates more of south-facing fa\u00e7ades than roof areas.<\/p>\n<p>\u201cPerformance optimization is particularly important for solar fa\u00e7ades because parts of the system will be shaded at times. SMA makes inverters featuring integrated yield optimization instead of conventional module optimizers, which are essentially electronic controllers for each individual module. With integrated yield optimization, the inverters seek out the point that currently has the highest output on the entire surface, which makes it possible to use almost all the energy supplied by the PV modules,\u201d said Hannes Knopf, Senior Expert Standards &amp; Committee Work at SMA.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-6  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-15-b9d52134e2d0d7ff15f40a83d52084c7'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Solar range<\/strong><\/h2>\n<p>Typical solar roofs with their utilitarian panels may be a marvel of technology but fall short aesthetically. That makes it surprising that ambitious designers and architects all over the world have created true gems ever since it became possible \u2013 or rather necessary \u2013 to generate solar power on building walls.<\/p>\n<p>Pierluigi Bonomo sees in the transfer of PV to buildings, including roofs, fa\u00e7ades, and accessory systems, a tangible cause of innovation in contemporary architecture and PV today. \u201cIt is much more than an energy or technical possibility: it is a new fundamental in building aesthetics, ethics, and technology.\u201d<\/p>\n<p>There are three basic approaches. On some buildings, PV panels are recognizable as such but simply act as a neutral design element. Other buildings do not offer even the slightest hint that their fa\u00e7ades generate electricity. The PV modules are so cleverly integrated that they could be glass or another fa\u00e7ade material. Occasionally, PV modules serve several purposes such as a sunshade. Finally, there are proud fa\u00e7ades that deliberately put modules on display, shouting from the rooftops \u2013 or, rather, fa\u00e7ades \u2013 that \u201csolar is cool!\u201d.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-8  el_after_av_textblock  el_before_swe_special_images '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class=\"flex_column av_one_full flex_column_div  avia-builder-el-9  el_after_av_hr  el_before_av_textblock \"><div class=\"swe-special-images swe-special-images-1 subtitle\"><div class=\"image-container image-container-image-1\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/07\/Bonomo_Solarfasaden.jpg\" alt=\"Bonomo_Solarfasaden\" aria-label=\"Pierluigi Bonomo, Head of Innovative Building Skin Team, Swiss BIPV Competence Centre, Institute for Applied Sustainability in the Built Environment (ISAAC)\" \/><small class=\"copyright avia-copyright\">\u00a9 Kingsgate House, London (Photo: P. Bonomo)<\/small><\/div><span class=\"image-subtitle\"><span class=\"image-subtitle-inner image-description\">Pierluigi Bonomo, Head of Innovative Building Skin Team, Swiss BIPV Competence Centre, Institute for Applied Sustainability in the Built Environment (ISAAC)<\/span><\/span><div class=\"image-container image-container-image-2\"><div class=\"image-container-inner\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/07\/Pierluigi-Bonomo_Solarfasaden.jpg\" alt=\"Pierluigi-Bonomo_Solarfasaden\" aria-label=\"Pierluigi Bonomo, Head of Innovative Building Skin Team, Swiss BIPV Competence Centre, Institute for Applied Sustainability in the Built Environment (ISAAC)\" \/><\/div><\/div><\/div><\/div>\n<section  class='av_textblock_section av-hm5a1-14-d48e92c43deb7c3c559adf06de427748'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Crystal-clear advantages<\/strong><\/h2>\n<p>Conventional PV modules consist of crystalline PV cells enclosed in a plastic or resin layer, an aluminum frame and a glass cover. They are the preferred option for directly irradiated areas such as pitched roofs. However, they also quickly pay for themselves when installed on a south-facing building wall. The lower yield due to shorter solar irradiation periods can be offset by increasing the usable area.<\/p>\n<p>The surface of crystal PV cells has a bluish, dark-blue or matte-black appearance depending on how they are made. The modules are also rigidly built. Both characteristics seem to leave little leeway for creativity in fa\u00e7ade design. However, these restrictions do not have to be an obstacle for imaginative minds.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-11  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-12-22d2b4ec8325dfc2878cf5bdf3374d99'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Flexible elegance<\/strong><\/h2>\n<p>Thin-film solar cells have an even thinner solar active layer than crystalline cells. That allows them to be laminated between flexible materials (usually plastic sheets) and bent. This technology inspired high hopes for some time. It seemed predestined for fa\u00e7ades \u2013 architects could let their imaginations run wild in mounting these cells on curved surfaces and choosing color schemes.<\/p>\n<p>However, none of these expectations materialized, and flexible thin-film modules have not become widely adopted as a building material, as confirmed by Dr. Friedrich Kessler, who researches flexible PV cells and modules at the <a href=\"https:\/\/www.zsw-bw.de\/forschung\/photovoltaik\/themen\/flexible-solarzellen-und-module.html\" target=\"_blank\" rel=\"noopener\">Center for Solar Energy and Hydrogen Research Baden-W\u00fcrttemberg<\/a> (ZSW). \u201cThere are some use cases today, but they tend to be rather unusual projects.\u201d He believes their real future will be in mobile or temporary applications, which are still niche markets: \u201cFor example, you can roll thin-film modules out on greenhouses in the summer. They provide emission-free electricity while shading the soil and protecting it from drying out. Agrivoltaics is starting to spread successfully. Other applications include the recreational and automotive domain \u2013 anywhere mobility and\/or light weight are required.\u201d<\/p>\n<p>Interestingly, architects\u2019 and planners\u2019 attitudes toward crystalline PV cells seem to have shifted dramatically as climate awareness has grown: Modules that used to be unsentimentally pre-assembled or hidden are now put on display: Look here, I\u2019m producing renewable energy! Visible solar architecture seems to be trending towards crystalline PV modules, the blue shimmering rigid panels.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-13  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-11-7a05c5f0f7a6e2344f70c6b9d8974ec1'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Utilitarian productivity<\/strong><\/h2>\n<p>In retrofit projects, classic PV modules are usually hung on rails in front of a wall with a few centimeters of clearance so air can circulate. Most property owners choose retrofitting so their building will have an on-site supply of renewable energy. However, even this utilitarian solution has aesthetically beautiful examples.<\/p>\n<p>The Rhein-Kai-Speicher 7 building in Mannheim, Germany, generates more energy with its large-scale PV system than it consumes. That makes it an energy-plus building.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-15  el_after_av_textblock  el_before_swe_special_images '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class=\"flex_column av_one_full flex_column_div  avia-builder-el-16  el_after_av_hr  el_before_av_hr \"><div class=\"swe-special-images swe-special-images-2 subtitle\"><div class=\"image-container image-container-image-1\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/06\/Photovoltaik-Anlagen-01.jpg\" alt=\"\" aria-label=\"Large-scale photovoltaic systems generate more energy than their operation consumes.\" \/><\/div><span class=\"image-subtitle\"><span class=\"image-subtitle-inner image-description\">Large-scale photovoltaic systems generate more energy than their operation consumes.<\/span><\/span><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-17  el_after_swe_special_images  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-10-0c10856ef12ac12d95078b4ab68fa059'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Invisible power plant<\/strong><\/h2>\n<p>Wohnhaus Solaris is a multi-family home built on Lake Zurich by Adrian Berger, Erika Fries, and Lukas Huggenberger in 2018. The architects\u2019 goal was to make <a href=\"https:\/\/openhouse-zuerich.org\/orte\/wohnhaus-solaris-2\/\" target=\"_blank\" rel=\"noopener\">Wohnhaus Solaris<\/a>&#8216;s PV systems invisible. Easier said than done \u2013 the fa\u00e7ade\u2019s printed and structured cast glass had to let as much sunlight as possible into its integrated PV cells to make the photovoltaics pay off.<\/p>\n<p>Laminated glass modules have made tremendous progress in just a few years. People who want PV cells that produce electricity incognito in the fa\u00e7ade now have plenty of design options.<\/p>\n<p>The fa\u00e7ades of this residential building in Zurich are completely covered by PV modules that produce more electricity than the house and its residents consume. The fa\u00e7ade cladding modules feature check-patterned digital ceramic printing to avoid a \u201ctechnoid\u201d look.<\/p>\n<p>In a project in Watford, London, \u00dcserHuus AG, a spinoff of the Lucerne University of Applied Sciences and Arts, added to the fa\u00e7ade a horizontal band of PV modules colored like the materials behind them \u2013 wood, metal, and fiber cement. The modules were the product of special digital color printing on glass and ultra-efficient monocrystalline PV technology.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-19  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-8-cd15851906d73550bf26d39427e015eb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>The right angle<\/strong><\/h2>\n<p>Modules must be aligned as precisely as possible with the sun to get the maximum energy yield from crystalline solar cells. The new city hall in the German city of Freiburg showcases how far photovoltaics can go: 880 PV modules weighing 100 kilograms each are installed on metal elements along a curved fa\u00e7ade, covering over 13,000 square meters. The solar roof and fa\u00e7ade combined supply the building and its users with 100 percent of their own electricity.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-21  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-7-4a091094d0525ce4ff33013f31e64b4c'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>Doubly useful<\/strong><\/h2>\n<p>PV modules that are not retrofitted or added on but actually perform a function in a building\u2019s structure are known as building-integrated photovoltaics, or BIPV for short. In this case, solar technology serves as a construction material that protects the fa\u00e7ade and residents from wind and weather, shades or soundproofs a building while looking beautiful.<\/p>\n<div  class='hr av-42s8bh-803135692315c428d374ba1f77730923 hr-small  avia-builder-el-23  el_before_av_hr  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<h3 style=\"text-align: center;\"><strong>\u201eBy assuming both the function of energy generators and of construction materials, BIPV are of particular interest in the context of decarbonizing energy systems, especially in densely built European environments where traditional ground-mounted photovoltaic (BAPV) systems cannot be easily used.\u201c<\/strong><\/h3>\n<p style=\"text-align: center;\"><em>\u2013 Emmanuel Rey<\/em><\/p>\n<div  class='hr av-2grbp9-997c2dbfd435002ca94a20962122e807 hr-small  avia-builder-el-24  el_after_av_hr  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<p>Architects increasingly include solar fa\u00e7ades as a structural and design element in new construction from the start. Integrated solar fa\u00e7ades serve as conventional fa\u00e7ades or fa\u00e7ade cladding and generate electricity, which may even cut building costs.<\/p>\n<p>\u201eToday, BIPV has achieved a high level of technical maturity.\u201c,\u00a0 explains Pierluigi Bonomo, who, in addition to having the scientific lead of the BIPV team at the <a href=\"https:\/\/www.supsi.ch\/isaac_en\/istituto\/mission.html\" target=\"_blank\" rel=\"noopener\">Institute for Applied Sustainability in the Built Environment<\/a> (SUPSI),\u00a0 works for the International Energy Agency on the <a href=\"https:\/\/iea-pvps.org\/research-tasks\/enabling-framework-for-the-development-of-bipv\/\" target=\"_blank\" rel=\"noopener\">framework conditions for the development of BIPV<\/a>. Meanwhile architects, building owners, fa\u00e7ade constructors and real estate developers find \u201ca diversified range of products, which can be manufactured and customized like any conventional building envelope solution.\u201c<\/p>\n<p>In any case, rising interest and demand for climate-friendly electricity have clearly spawned a host of new technologies and design concepts for integrated solar fa\u00e7ades.<\/p>\n<p>One obvious option is to use classic PV modules as a source of shade \u2013 their dark coloring blocks much of the sunlight.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-25  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-6-cb3a05af39631fd3c62919a4027b2183'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>K\u00fchne Kontur<\/strong><\/h2>\n<p>The solar system itself defines the contours of the building in some solar fa\u00e7ades. \u201cThe low-resource energy generation system is displayed on the outside of the sculptural fa\u00e7ade made of photovoltaic elements, thus giving the building an unmistakable character.\u201d This is how the architects of <a href=\"https:\/\/www.kadawittfeldarchitektur.de\/projekt\/new-blauhaus\/\" target=\"_blank\" rel=\"noopener\"><em>kadawittfeldarchitektur<\/em><\/a> describe their energy efficiency center on the campus of Hochschule Niederrhein in M\u00f6nchengladbach, Germany.<\/p>\n<p>The solar fa\u00e7ade of the Solar daycare center in Marburg designed by opus Architekten in Darmstadt, Germany, also looks folded. On a side note, monocrystalline silicon cells were installed in this project in black laminated safety glass.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-27  el_after_av_textblock  el_before_swe_special_images '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class=\"flex_column av_one_full flex_column_div  avia-builder-el-28  el_after_av_hr  el_before_av_hr \"><div class=\"swe-special-images swe-special-images-3 subtitle\"><div class=\"image-container image-container-image-1\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/07\/eKitaMarburgSolarfassaden_3.jpg\" alt=\"eKitaMarburg-Solarfassaden\" aria-label=\"At the +e Kita in Marburg, Hesse, the solar technology itself forms the profile of the building.\" \/><small class=\"copyright avia-copyright\">\u00a9 Eibe S\u00f6nnecken, opus Architekten BDA<\/small><\/div><span class=\"image-subtitle\"><span class=\"image-subtitle-inner image-description\">At the +e Kita in Marburg, Hesse, the solar technology itself forms the profile of the building.<\/span><\/span><div class=\"image-container image-container-image-2\"><div class=\"image-container-inner\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/07\/eKitaMarburgSolarfassaden_2.jpg\" alt=\"eKitaMarburg-Solarfassaden\" aria-label=\"At the +e Kita in Marburg, Hesse, the solar technology itself forms the profile of the building.\" \/><small class=\"copyright avia-copyright\">\u00a9 Eibe S\u00f6nnecken, opus Architekten BDA<\/small><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-29  el_after_swe_special_images  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-5-33125cc9043eebd9f52059cd62003287'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><strong>What comes next &#8230;<\/strong><\/h2>\n<p>Pierluigi Bonomo sees a significant competitive opportunity for Europe in the development and establishment of building-integrated photovoltaics. Now that many hurdles have been overcome and a number of problems have been solved over the past few years, the BIPV researcher believes that the greatest challenge at present is to \u201cwidely demonstrate BIPV in real buildings with a turnkey solution and an efficient process able to ensure performance, reliability, durability and replicability in a cost competitive way.\u201c<\/p>\n<p>This is also what Prof. Emmanuel Rey is working on. Prof. Rey is the head of the Laboratory of Architecture and Sustainable Technologies (LAST) of the Ecole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) and maintains a partnership with the architectural design firm Bauart in Bern, Neuch\u00e2tel and Zurich, Switzerland. He has researched the hurdles that stand in the way of mass adoption of BIPV. Aside from high initial costs and high complexity compared to conventional construction materials, he says that there is a low awareness of BIPV among the general public and the reluctance of a majority of architects to implement BIPV in their designs.<\/p>\n<p>This is compounded by institutional barriers, such as the lack of building codes and standards or their non-uniformity from country to country, in particular for PV fa\u00e7ade elements, which increases the perceived risk of using novel technologies in the traditionally conservative construction sector.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-31  el_after_av_textblock  el_before_swe_special_images '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class=\"flex_column av_one_full flex_column_div  avia-builder-el-32  el_after_av_hr  el_before_av_hr \"><div class=\"swe-special-images swe-special-images-4 subtitle\"><div class=\"image-container image-container-image-1\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/06\/Prof-Emmanuel-Rey-e1625140703774.jpg\" alt=\"\" aria-label=\"Prof. Emmanuel Rey, head of the Laboratory of Architecture and Sustainable Technologies (LAST) of the Ecole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) and partner of the architectural design firm Bauart in Bern, Neuch\u00e2tel and Zurich, Switzerland.\" \/><small class=\"copyright avia-copyright\">Photo: Alain Herzog<\/small><\/div><span class=\"image-subtitle\"><span class=\"image-subtitle-inner image-description\">Prof. Emmanuel Rey, head of the Laboratory of Architecture and Sustainable Technologies (LAST) of the Ecole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) and partner of the architectural design firm Bauart in Bern, Neuch\u00e2tel and Zurich, Switzerland.<\/span><\/span><div class=\"image-container image-container-image-2\"><div class=\"image-container-inner\"><img decoding=\"async\" src=\"https:\/\/sonnenallee.sma.de\/wp-content\/uploads\/2021\/06\/AAF_prototype-.jpg\" alt=\"\" aria-label=\"Prof. Emmanuel Rey, head of the Laboratory of Architecture and Sustainable Technologies (LAST) of the Ecole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) and partner of the architectural design firm Bauart in Bern, Neuch\u00e2tel and Zurich, Switzerland.\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-33  el_after_swe_special_images  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-3-78c0b0e74c24fa69874ebdfc9305f7ed'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>A team led by Emmanuel Rey has been working on integrating BIPV into urban renewal processes in an interdisciplinary research project called ACTIVE INTERFACES: \u201cThe case studies demonstrated that renovation projects using BIPV were economically feasible, environmentally effective and allowed a wide range of possible architectural expressions, including different colors and textures.\u201d<\/p>\n<p>The team developed an <em>Advanced Active Fa\u00e7ade<\/em> with support from the Swiss National Science Foundation (NSF) as part of the &#8220;Energy Transition&#8221; National Research Program: This novel construction system for low-carbon active fa\u00e7ades is designed as a self-supporting, prefabricated wood skeleton on which a coating is mounted on the inside and cellulose-based thermal insulation and customized active PV panels on the outside.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-35  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-hm5a1-2-b682ab18c3e1fb713a89a52cafc1eec5'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>What role will building-integrated photovoltaics play in the future? Pierluigi Bonomo dares to look ahead:<\/p>\n<p>\u201eThe building sector is typically perceived as the industry with the longest response times to innovations. However, revolutionary waves have existed in construction sector. Today\u2019s wave is linked to a sustainable transition, thanks to an alliance between public policies, research and industrial efforts as well as common will. Many visions and scenarios describe how buildings in our cities could look and function in relation to future cities, urban infrastructures and urbanization.\u201c, says Pierluigi Bonomo. \u201cClimate change, the post-pandemic world, digitization or new mobility will frame a combination of strategies. Photovoltaic power is only one of the variables, but it will shape the future of buildings.\u201c<\/p>\n<p>In any case, the sheer variety of current projects and active research on solar fa\u00e7ades and BIPV prove that photovoltaics is just at the start of its evolution.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-3a876428eececa9d35452247ddb053af\">\n#top .hr.hr-invisible.av-av_hr-3a876428eececa9d35452247ddb053af{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-3a876428eececa9d35452247ddb053af hr-invisible  avia-builder-el-37  el_after_av_textblock  el_before_av_promobox '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='av_promobox av-kbupbijg-6f29c110e5350449d0e4ca5e477b6190 avia-button-no  avia-builder-el-38  el_after_av_hr  avia-builder-el-last '><div class='avia-promocontent'><h6 style=\"text-align: right;\"><\/h6>\n<h2><strong>Rapid evolution<\/strong><\/h2>\n<p>Solaris, a German-language publication on solar architecture, shows how quickly attitudes toward building-mounted photovoltaics have changed. Five issues have been published so far. The <a href=\"https:\/\/issuu.com\/hochparterre\/docs\/hochparterre_solaris_01_d_2018\" target=\"_blank\" rel=\"noopener\"><u>first issue in 2018<\/u><\/a> read, \u201cNobody has to know this is a solar house,\u201d <a href=\"https:\/\/issuu.com\/hochparterre\/docs\/hochparterre_solaris_03_d_2019\" target=\"_blank\" rel=\"noopener\"><u>Solaris #3<\/u><\/a> dealt with technical and aesthetic innovations of built solar envelopes, and the latest <a href=\"https:\/\/issuu.com\/hochparterre\/docs\/hochparterre_solaris_05_d_2021\" target=\"_blank\" rel=\"noopener\"><u>Solaris #5<\/u><\/a> asks about the design potential of PV modules in the highlands.<\/p>\n<h2><strong>Solarchitecture<\/strong><\/h2>\n<p>The sun is a construction material \u2013 this is the claim of <a href=\"https:\/\/solarchitecture.ch\/de\" target=\"_blank\" rel=\"noopener\"><em><u>SUPSI<\/u><\/em><\/a>, a Swiss platform for solar energy that aims to communicate the fascinating design possibilities of solar building concepts and presents countless exciting examples of solar fa\u00e7ades. The <a href=\"https:\/\/solarchitecture.ch\/wp-content\/uploads\/2021\/02\/BIPV_Status_Report.pdf\" target=\"_blank\" rel=\"noopener\"><u>BIPV Status Report<\/u><\/a>, which was compiled and published by SUPSI with Belgium\u2019s Becquerel Institute in November 2020, provides a deep dive into BIPV.<\/p>\n<\/div><\/div>\n<div class=\"center-content\"><a href=\"https:\/\/sonnenallee.sma.de\/en\/\" class=\"btn inverted\">Close article<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A new approach to the installation of solar systems provides for their integration into facades. These provide clean energy and futuristic aesthetics.<\/p>\n","protected":false},"author":21,"featured_media":6055,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","beyondwords_generate_audio":"1","beyondwords_project_id":"16115","beyondwords_content_id":"","beyondwords_preview_token":"","beyondwords_player_content":"","beyondwords_player_style":"","beyondwords_language_code":"","beyondwords_language_id":"","beyondwords_title_voice_id":"","beyondwords_body_voice_id":"","beyondwords_summary_voice_id":"","beyondwords_error_message":"#404: Record not found","beyondwords_disabled":"","beyondwords_delete_content":"","beyondwords_podcast_id":"4862535","beyondwords_hash":"","publish_post_to_speechkit":"","speechkit_hash":"","speechkit_generate_audio":"","speechkit_project_id":"","speechkit_podcast_id":"","speechkit_error_message":"","speechkit_disabled":"","speechkit_access_key":"","speechkit_error":"","speechkit_info":"","speechkit_response":"","speechkit_retries":"","speechkit_status":"Updated","speechkit_updated_at":"","_speechkit_link":"","_speechkit_text":""},"categories":[73],"tags":[85,89],"class_list":["post-5736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-change","tag-climate-change","tag-solar-energy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - 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