{"id":570,"date":"2024-02-20T09:48:50","date_gmt":"2024-02-20T08:48:50","guid":{"rendered":"https:\/\/www.heiwit.com\/?p=570"},"modified":"2024-05-07T12:54:08","modified_gmt":"2024-05-07T10:54:08","slug":"mindre-co2-med-ett-solcellssystem-pa-foretagets-tak","status":"publish","type":"post","link":"https:\/\/www.heiwit.com\/sv\/quantita-di-co2-in-meno-con-impianto-fotovoltaico-su-tetto-aziendale\/","title":{"rendered":"Mindre CO2 med ett solcellssystem p\u00e5 ett f\u00f6retagstak"},"content":{"rendered":"<p class=\"wp-block-paragraph\">En fr\u00e5ga som m\u00e5nga st\u00e4ller sig n\u00e4r de pratar om solpaneler \u00e4r: <strong>hur mycket CO2 som undviks med ett solcellssystem<\/strong>? Hj\u00e4lper dessa moderna system verkligen <a href=\"https:\/\/www.heiwit.com\/sv\/atgarder-for-minskade-koldioxidutslapp-och-var-vi-star\/\" title=\"\">minskade koldioxidutsl\u00e4pp<\/a>? Vi svarar p\u00e5 denna fr\u00e5ga i artikeln nedan.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2024\/02\/co2-3139225_1280-1024x538.jpg\" alt=\"\" class=\"wp-image-571\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2024\/02\/co2-3139225_1280-1024x538.jpg 1024w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2024\/02\/co2-3139225_1280-980x515.jpg 980w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2024\/02\/co2-3139225_1280-480x252.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">F\u00f6rdelar med solpaneler<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi har redan tagit upp fr\u00e5gan om <a href=\"https:\/\/www.heiwit.com\/sv\/fotovoltaiskt-system-5-myter-att-avliva\/\" title=\"\">myter om fotovoltaiska system<\/a>. Bland de mest popul\u00e4ra f\u00f6r tillf\u00e4llet finns det tv\u00e5 som vi vill fokusera p\u00e5 i den h\u00e4r artikeln: solpaneler kostar f\u00f6r mycket och solcellssystem producerar inte CO2 men f\u00f6rorenar samtidigt p\u00e5 grund av deras produktions- och bortskaffningsmetoder. L\u00e5t oss f\u00f6rtydliga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6rsta punkten.<strong> \u00c4ven om den initiala kostnaden f\u00f6r solpaneler \u00e4r betydande, \u00e5terbetalas den m\u00e5nga g\u00e5nger om under deras l\u00e5nga livsl\u00e4ngd, som \u00f6verstiger 25 \u00e5r<\/strong>. L\u00e5t oss f\u00f6rest\u00e4lla oss att vi har en <a href=\"https:\/\/www.heiwit.com\/sv\/industriellt-fotovoltaiskt-system-med-heiwit\/\" title=\"\">f\u00f6retagstak p\u00e5 300 kvadratmeter och best\u00e4mmer sig f\u00f6r att installera solpaneler <\/a>med en total effekt p\u00e5 10 kilowatt (kW). L\u00e5t oss anta att den totala kostnaden, inklusive paneler och installation, \u00e4r $25.000. Med en ber\u00e4knad \u00e5rsproduktion p\u00e5 15.000 kilowattimmar (kWh) skulle vi spara ett \u00e5rligt v\u00e4rde p\u00e5 cirka $1.800 p\u00e5 el. Det skulle ta cirka 13,9 \u00e5r att helt \u00e5tervinna investeringen. Men efter denna period skulle den producerade energin i princip vara gratis, vilket skulle ge betydande besparingar p\u00e5 energikostnaderna p\u00e5 l\u00e5ng sikt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6rutom avkastningen p\u00e5 investeringen har solenergi potential att minska koldioxidutsl\u00e4ppen avsev\u00e4rt. Till skillnad fr\u00e5n kraftverk som drivs med fossila br\u00e4nslen genererar solpaneler el utan utsl\u00e4pp i \u00e5rtionden. Som exempel kan n\u00e4mnas, <strong>1.000 solpaneler kan spara 3,3 ton CO2 vardera under 25 \u00e5r<\/strong>. Detta motsvarar en total besparing p\u00e5 3 327,40 ton CO2. Med ett genomsnittligt kommersiellt elpris p\u00e5 18,36 cent per kWh \u00e4r de 11 515 000 kWh som genererats av solpaneler v\u00e4rda 2 114 154 euro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Och hur \u00e4r det med koldioxidavtrycket fr\u00e5n tillverkningen av solpaneler?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6rnybara energialternativ, som solpaneler, spelar en viktig roll i kampen mot klimatf\u00f6r\u00e4ndringar och koldioxidutsl\u00e4pp. Det finns dock en debatt om<strong> verkliga koldioxidutsl\u00e4pp i samband med produktion av solpaneler.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det r\u00e5der inget tvivel om att det kr\u00e4vs en avsev\u00e4rd m\u00e4ngd energi f\u00f6r att driva de maskiner som anv\u00e4nds vid tillverkningen av solpaneler. Utv\u00e4rderingen av\u2019<a href=\"https:\/\/www.cooleffect.org\/solar-carbon-footprint#:~:text=Around%2050g%20of%20CO2%20per,of%20coal%2Dpowered%20electricity%20sources.\" title=\"\">koldioxidavtryck <\/a>Den faktiska tillverkningen av solpaneler \u00e4r dock av flera sk\u00e4l en sv\u00e5r uppgift. <strong>F\u00f6r det f\u00f6rsta \u00e4r de olika<a href=\"https:\/\/www.heiwit.com\/sv\/guide-till-olika-typer-av-solpaneler-hitta-det-basta-valet\/\" title=\"\"> typer av solpaneler<\/a>, som kr\u00e4ver n\u00e5got annorlunda produktionsmetoder<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Monokristallina paneler, som k\u00e4nns igen p\u00e5 sin m\u00f6rka f\u00e4rg och eleganta design, tillverkas genom att kiselblock formas under produktionsprocessen. Polykristallina solceller tillverkas d\u00e4remot genom att kiselkristaller sm\u00e4lts samman, en energikr\u00e4vande process som kr\u00e4ver ett annat tillv\u00e4gag\u00e5ngss\u00e4tt. Kiselproduktionen sl\u00e4pper ut cirka 6,0 kg CO2-ekvivalenter f\u00f6r varje kilo kiselmetall som produceras, och med tanke p\u00e5 att det anv\u00e4nds cirka 11 gram kisel per cell kan man uppskatta att en solpanel kr\u00e4ver cirka 660 gram kisel. F\u00f6rutom kisel anv\u00e4nds dock andra metaller som koppar, silver, indium och tellurium i sammans\u00e4ttningen av solpaneler, och koldioxidutsl\u00e4pp \u00e4r ocks\u00e5 f\u00f6rknippade med utvinningen av dessa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sedan finns det solpanelernas ursprung att ta h\u00e4nsyn till: <strong>det finns skillnader i utsl\u00e4pp fr\u00e5n land till land.<\/strong> Till exempel sl\u00e4pper Kina, som st\u00e5r f\u00f6r h\u00e4lften av v\u00e4rldens produktion av solpaneler, ut ungef\u00e4r dubbelt s\u00e5 mycket per panel som v\u00e4stl\u00e4nderna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enligt bed\u00f6mningar av den mellanstatliga panelen f\u00f6r klimatf\u00f6r\u00e4ndringar (IPCC), <strong>Solpaneler i bost\u00e4der sl\u00e4pper ut cirka 41 gram CO2-ekvivalenter f\u00f6r varje kilowattimme el som genereras.<\/strong>. Dessa utsl\u00e4pp \u00e4r huvudsakligen relaterade till panelernas livscykel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u00e5 solpaneler har inga verkliga milj\u00f6f\u00f6rdelar?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vad \u00e4r det f\u00f6r mening med att inf\u00f6ra ny teknik f\u00f6r f\u00f6rnybar energi om den f\u00f6rorenar? Den fr\u00e5gan \u00e4r det m\u00e5nga som st\u00e4ller sig och vi p\u00e5 Heiwit vill ge ett tydligt svar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e4r det g\u00e4ller koldioxidavtrycket \u00e4r det tydligt att solceller har ett mycket b\u00e4ttre l\u00e5ngsiktigt fotavtryck \u00e4n fossila energik\u00e4llor som kol, olja och naturgas. Ur produktionsprocessens synvinkel, <strong>Solpaneler sl\u00e4pper ut cirka 40 gram (upp till 50) CO2 per producerad kWh under de f\u00f6rsta drifts\u00e5ren. <\/strong>Under det tredje \u00e5ret av anv\u00e4ndning blir de flesta paneler utsl\u00e4ppsfria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c4ven under hela livscykeln \u00e4r utsl\u00e4ppen av v\u00e4xthusgaser fr\u00e5n solenergi betydligt l\u00e4gre \u00e4n fr\u00e5n andra k\u00e4llor. Medan solpaneler producerar noll gram CO2 per kWh under drift, sl\u00e4pper fossila k\u00e4llor som naturgas, olja och kol ut betydande m\u00e4ngder CO2 per genererad kWh, vilket g\u00f6r solenergi till ett betydligt renare alternativ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c4ven om man tar h\u00e4nsyn till produktionsfasen f\u00f6r panelerna har solenergi en mycket gynnsam position j\u00e4mf\u00f6rt med andra energik\u00e4llor, vilket bekr\u00e4ftar att det \u00e4r ett v\u00e4rdefullt val f\u00f6r att minska f\u00f6roreningar och fr\u00e4mja milj\u00f6m\u00e4ssig h\u00e5llbarhet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kan man minska koldioxidavtrycket fr\u00e5n solpaneler?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Koldioxidavtrycket fr\u00e5n solpaneler, som av IPCC uppskattas till 41 gram CO2-ekvivalenter per kWh producerad el, kan f\u00f6r\u00e4ndras och f\u00f6rb\u00e4ttras \u00f6ver tid. Det finns flera strategier f\u00f6r att minska detta fotavtryck och g\u00f6ra det mer h\u00e5llbart p\u00e5 l\u00e5ng sikt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produktionsprocesserna st\u00e5r f\u00f6r cirka tv\u00e5 tredjedelar av de totala utsl\u00e4ppen under solenergins livscykel. Dessa processer omfattar utvinning av r\u00e5material och uppf\u00f6rande av produktionsanl\u00e4ggningar, men kan f\u00f6rb\u00e4ttras genom att anv\u00e4nda f\u00f6rnybar energi f\u00f6r att driva dem, vilket g\u00f6r solenergin renare fr\u00e5n b\u00f6rjan<\/li>\n\n\n\n<li>De operativa utsl\u00e4ppen fr\u00e5n solpaneler, n\u00e4r de v\u00e4l \u00e4r installerade och i drift, \u00e4r relativt l\u00e5ga och kan minskas ytterligare genom att man \u00f6kar panelernas effektivitet och utnyttjar solljusf\u00f6rh\u00e5llandena p\u00e5 b\u00e4sta s\u00e4tt. Till exempel genom att kombinera solpaneler med jordbruk (agri-voltaics) eller genom att anta innovativa l\u00f6sningar som flytande solpaneler p\u00e5 tankar (float-voltaics).<\/li>\n\n\n\n<li> Nedmonteringen och avfallshanteringen av solpaneler utg\u00f6r en liten del av det totala koldioxidavtrycket, men kan minskas ytterligare genom \u00e5tervinning av de material som anv\u00e4nds vid tillverkningen. Sektorn f\u00f6r \u00e5tervinning av solpaneler v\u00e4xer snabbt och erbjuder stora m\u00f6jligheter att minska utsl\u00e4ppen b\u00e5de uppstr\u00f6ms och nedstr\u00f6ms<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Och om du \u00e4r intresserad av att minska ditt f\u00f6retags koldioxidavtryck och bidra till <a href=\"https:\/\/www.heiwit.com\/sv\/klimatmalen-for-europa-2030-vad-de-ar-och-var-vi-star\/\" title=\"\">Klimatm\u00e5l f\u00f6r 2030 <\/a>som fastst\u00e4llts av Europeiska kommissionen, \u00f6verv\u00e4ga att installera fotovoltaiska system p\u00e5 ditt tak med Heiwit. Denna l\u00f6sning kommer inte bara att hj\u00e4lpa dig att minska f\u00f6roreningar, utan ocks\u00e5 l\u00e5ta dig dra nytta av energiproduktionen. Bes\u00f6k v\u00e5r webbplats f\u00f6r att l\u00e4ra dig mer.<\/p>","protected":false},"excerpt":{"rendered":"<p>Una domanda che molti si pongono quando si parla di pannelli solari \u00e8: quanta CO2 viene evitata con un impianto fotovoltaico? Davvero questi sistemi moderni aiutano il processo di decarbonizzazione? Rispondiamo a questa domanda nell&#8217;articolo di seguito. Benefici dei pannelli solari Abbiamo gi\u00e0 affrontato il discorso dei miti sugli impianti fotovoltaici. Tra quelli pi\u00f9 diffusi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[9,15],"tags":[],"class_list":["post-570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-approfondimenti","category-impianti-fotovoltaici"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quantit\u00e0 di CO2 in meno con impianto fotovoltaico su tetto aziendale - Heiwit - Batterie agli ioni di Sodio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.heiwit.com\/sv\/mindre-co2-med-ett-solcellssystem-pa-foretagets-tak\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantit\u00e0 di CO2 in meno con impianto fotovoltaico su tetto aziendale - Heiwit - Batterie agli ioni di Sodio\" \/>\n<meta property=\"og:description\" content=\"Una domanda che molti si pongono quando si parla di pannelli solari \u00e8: quanta CO2 viene evitata con un impianto fotovoltaico? 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