{"id":3357,"date":"2014-12-04T21:18:08","date_gmt":"2014-12-04T21:18:08","guid":{"rendered":"http:\/\/www.123fakta.com\/da\/?p=3357"},"modified":"2026-03-24T16:27:44","modified_gmt":"2026-03-24T16:27:44","slug":"faktoja-aurinkokennoista-ja-aurinkopaneeleista","status":"publish","type":"post","link":"https:\/\/www.123fakta.com\/fi\/facts-about-solar-cells-and-solar-panels","title":{"rendered":"Tietoa aurinkokennoista ja aurinkopaneeleista"},"content":{"rendered":"<ol>\n<li><strong>Aurinkokennojen historia:<\/strong>\u00a0Aurinkokenno keksittiin 100 vuotta sitten, mutta se on ollut tehokas energianl\u00e4hde vasta viimeiset 50 vuotta.<\/li>\n<li><strong>Potentiaalia:<\/strong>\u00a0Nyky\u00e4\u00e4n on k\u00e4yt\u00e4nn\u00f6ss\u00e4 mahdollista kattaa koko maailman energiankulutus aurinkokennoilla, mutta se vaatisi valtavia investointeja.<\/li>\n<li><strong>Aurinkokennotyypit:<\/strong>\u00a0Aurinkokennoja on kolmenlaisia: yksikiteisi\u00e4, monikiteisi\u00e4 ja ohutkalvoja.<\/li>\n<li class=\"no-mobile\"><strong>Invertteri:<\/strong>\u00a0Aurinkokennot tuottavat tasavirtaa, ja koska useimmat s\u00e4hk\u00f6laitteet k\u00e4ytt\u00e4v\u00e4t vaihtovirtaa, aurinkokennoista saatava teho on johdettava niin sanotun invertterin l\u00e4pi, ennen kuin sit\u00e4 voidaan k\u00e4ytt\u00e4\u00e4 yksityiskodeissa. Invertterit vaihtelevat, ja sinun on tutkittava markkinoita ennen ostamista. Invertteri olisi vaihdettava noin 10 vuoden v\u00e4lein.<\/li>\n<li><strong>Elinik\u00e4:<\/strong>\u00a0Aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4n k\u00e4ytt\u00f6ik\u00e4 on tyypillisesti yli 25 vuotta ja monissa tapauksissa noin 30-40 vuotta. Elinik\u00e4 riippuu suuresti aurinkokennojen laadusta ja aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4n oikeasta asennuksesta. Lis\u00e4ksi k\u00e4ytt\u00f6ik\u00e4 voi tietenkin lyhenty\u00e4 merkitt\u00e4v\u00e4sti, jos siihen osuu lent\u00e4vi\u00e4 esineit\u00e4, ihmiset tuhoavat sen jne.<\/li>\n<li><strong>Hajoaminen:<\/strong>\u00a0Kaikkien aurinkokennojen suorituskyky heikkenee vuosi vuodelta. T\u00e4m\u00e4 h\u00e4vi\u00f6 lasketaan prosentteina, ja valmistaja ilmoittaa sen suorituskykytakuun muodossa (esim. 1% prosentin vuotuinen h\u00e4vi\u00f6 vastaa 80% suorituskyky\u00e4 20 vuoden kuluttua).<\/li>\n<li><strong>Suora auringonvalo:<\/strong>\u00a0Aurinkokennot on tietenkin sijoitettava mieluiten paikkaan, jossa ne voivat olla h\u00e4iri\u00f6tt\u00e4 alttiina auringon s\u00e4teilylle koko p\u00e4iv\u00e4n ajan (ei osittaisessa varjossa jne.).<\/li>\n<li><strong>Etel\u00e4\u00e4n suunnatut aurinkokennot:<\/strong>\u00a0Optimaalisen altistumisen varmistamiseksi pohjoisten maiden aurinkokennojen tulisi olla etel\u00e4\u00e4n p\u00e4in ja 30-45 asteen kaltevuudella. Aurinkokennot tuottavat aina eniten energiaa, kun ne ovat suoraan aurinkoon p\u00e4in. T\u00e4st\u00e4 syyst\u00e4 monet suuremmat aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4t py\u00f6riv\u00e4t automaattisesti auringon asennon mukaan taivaalla.<\/li>\n<li><strong>Aurinkopaneelit:<\/strong>\u00a0Aurinkopaneelit eroavat aurinkokennoista. Aurinkopaneelit eiv\u00e4t tuota energiaa suoraan, vaan ne l\u00e4mmitt\u00e4v\u00e4t vett\u00e4 suoraan. K\u00e4yt\u00e4nn\u00f6ss\u00e4 t\u00e4m\u00e4 tapahtuu siten, ett\u00e4 pumppu ty\u00f6nt\u00e4\u00e4 kylm\u00e4\u00e4 vett\u00e4 s\u00e4ili\u00f6st\u00e4 aurinkopaneelin putkien l\u00e4pi. T\u00e4ll\u00f6in vesi l\u00e4mmitet\u00e4\u00e4n auringon energialla. Termi\u00e4 aurinkopaneelit k\u00e4ytet\u00e4\u00e4n my\u00f6s aurinkos\u00e4hk\u00f6paneeleista.<\/li>\n<li><strong>Suurin aurinkovoimala:<\/strong>\u00a0Maailman suurin aurinkovoimalaitos sijaitsee Mojaven autiomaassa, ja sen pinta-ala on 4 km2.<\/li>\n<\/ol>\n<div><\/div>\n<p><a title=\"Tietoa aurinkoenergiasta\" href=\"https:\/\/www.123fakta.com\/da\/fakta-om-solenergi\">Voit lukea lis\u00e4\u00e4 aurinkoenergiasta t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<figure id=\"attachment_7247\" aria-describedby=\"caption-attachment-7247\" style=\"width: 1014px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7247 size-large\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2-1024x295.jpg\" alt=\"Eritt\u00e4in suurissa aurinkovoimaloissa k\u00e4ytet\u00e4\u00e4n peilej\u00e4, jotka heijastavat auringonvaloa vastaanottimeen.\" width=\"1024\" height=\"295\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2-1024x295.jpg 1024w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2-300x86.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2-768x221.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2-18x5.jpg 18w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solceller-fakta-2.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-7247\" class=\"wp-caption-text\">Attribuutio: afloresm - Wikipedia.org<\/figcaption><\/figure>\n<p style=\"text-align: center;\"><em><strong>T\u00e4llaiset suuret j\u00e4rjestelm\u00e4t toimivat k\u00e4ytt\u00e4m\u00e4ll\u00e4 useita peilej\u00e4, jotka heijastavat auringonvaloa tornissa olevaan vastaanottimeen.<\/strong><\/em><\/p>\n<h2>Aurinkokennojen edut<\/h2>\n<ul>\n<li><strong>Ei huoltoa<\/strong>: Aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4t ovat k\u00e4yt\u00e4nn\u00f6ss\u00e4 huoltovapaita, koska niiss\u00e4 ei ole liikkuvia mekaanisia osia, jotka voisivat kulua, mutta my\u00f6s siksi, ett\u00e4 ne eiv\u00e4t ole riippuvaisia vedest\u00e4, akuista jne.<\/li>\n<li><strong>Paikallinen virtal\u00e4hde<\/strong>: Aurinkokennot tuottavat s\u00e4hk\u00f6\u00e4 paikallisesti, mik\u00e4 tekee sinusta omavaraisemman ja riippumattomamman energiayhti\u00f6ist\u00e4.<\/li>\n<li><strong>Ei k\u00e4ytt\u00f6kustannuksia<\/strong>: Kun aurinkopaneelit on asennettu, jatkuvia kustannuksia ei juuri ole.<\/li>\n<li><b>5-10 vuoden aikaj\u00e4nne<\/b>: Useimmat aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4t maksavat itsens\u00e4 takaisin 5-10 vuodessa, mink\u00e4 j\u00e4lkeen ne tarjoavat ilmaista energiaa.<\/li>\n<li><strong>Energian hinnat<\/strong>: Aurinkopaneelin avulla olet riippumaton tulevista energian hinnoista.<\/li>\n<li><strong>Pienemm\u00e4t s\u00e4hk\u00f6laskut<\/strong>: Aurinkopaneelit voivat pienent\u00e4\u00e4 merkitt\u00e4v\u00e4sti s\u00e4hk\u00f6laskuja l\u00e4hes kaikissa rakennuksissa.<\/li>\n<li><strong>S\u00e4hk\u00f6katkos<\/strong>: Aurinkos\u00e4hk\u00f6ll\u00e4 s\u00e4hk\u00f6katkokset eiv\u00e4t vaikuta sinuun (jos esimerkiksi koko kaupunki on poikki, aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4 jatkaa s\u00e4hk\u00f6ntuotantoa).<\/li>\n<li><strong>Melu<\/strong>: Aurinkokennot eiv\u00e4t yleens\u00e4 ole meluisia (vaikka joissakin asennuksissa invertteri voi olla hieman meluisa) eiv\u00e4tk\u00e4 ne aiheuta visuaalista haittaa (toisin kuin monet muut energiaa tuottavat asennukset).<\/li>\n<li><strong>24\/7<\/strong>: Aurinkokennot pystyv\u00e4t varastoimaan virtaa akkuihin ja tuottamaan s\u00e4hk\u00f6\u00e4 y\u00f6ll\u00e4, pilvisell\u00e4 s\u00e4\u00e4ll\u00e4 jne.<\/li>\n<\/ul>\n<figure id=\"attachment_7248\" aria-describedby=\"caption-attachment-7248\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7248 size-full\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solcelle-solcelleanlaeg-2.jpg\" alt=\"Fakta: Aurinkokennot ker\u00e4t\u00e4\u00e4n aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4\u00e4n.\" width=\"600\" height=\"937\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solcelle-solcelleanlaeg-2.jpg 600w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solcelle-solcelleanlaeg-2-192x300.jpg 192w, https:\/\/www.123fakta.com\/wp-content\/uploads\/2014\/12\/solcelle-solcelleanlaeg-2-8x12.jpg 8w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-7248\" class=\"wp-caption-text\">Attribuutio: Tdangkhoa - Wikipedia.org | Pixabay.com<\/figcaption><\/figure>\n<p style=\"text-align: center;\"><em><strong>Fakta: Aurinkokennojen odotettu k\u00e4ytt\u00f6ik\u00e4 on yleens\u00e4 30-40 vuotta. T\u00e4ss\u00e4 n\u00e4et yksikiteisen aurinkokennon (ylh\u00e4\u00e4ll\u00e4) ja aurinkos\u00e4hk\u00f6j\u00e4rjestelm\u00e4n (alhaalla).<\/strong><\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Aurinkokennojen historia: Aurinkokenno keksittiin 100 vuotta sitten, mutta se on ollut tehokas energianl\u00e4hde vasta viimeiset 50 vuotta: Nyky\u00e4\u00e4n on k\u00e4yt\u00e4nn\u00f6ss\u00e4 mahdollista kattaa koko maailman energiankulutus aurinkokennoilla - mutta se vaatisi valtavia investointeja Aurinkokennotyypit: Aurinkokennotyypit: Aurinkokennotyyppej\u00e4 on 3 erilaista ... <a title=\"Tietoa aurinkokennoista ja aurinkopaneeleista\" class=\"read-more\" href=\"https:\/\/www.123fakta.com\/fi\/facts-about-solar-cells-and-solar-panels\" aria-label=\"Lue lis\u00e4\u00e4 aiheesta Tietoa aurinkokennoista ja aurinkopaneeleista\">Lue lis\u00e4\u00e4<\/a><\/p>","protected":false},"author":1,"featured_media":7244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[66],"tags":[120],"class_list":["post-3357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous","tag-adsense"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Facts about solar cells, photovoltaic systems and solar panels<\/title>\n<meta name=\"description\" content=\"Fact: Solar cells have a life expectancy of 30-40 years. 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