{"id":5843,"date":"2026-04-01T13:24:49","date_gmt":"2026-04-01T11:24:49","guid":{"rendered":"https:\/\/energomar.mer02.vas-server.cz\/?p=5843"},"modified":"2026-05-11T12:24:41","modified_gmt":"2026-05-11T10:24:41","slug":"bifacialni-panely-nova-era-ucinnosti-fotovoltaiky","status":"publish","type":"post","link":"https:\/\/energomar.cz\/?p=5843","title":{"rendered":"Bifaci\u00e1ln\u00ed panely: Nov\u00e1 \u00e9ra \u00fa\u010dinnosti fotovoltaiky"},"content":{"rendered":"\n

Sol\u00e1rn\u00ed energie proch\u00e1z\u00ed v posledn\u00edch letech v\u00fdraznou prom\u011bnou. Tam, kde d\u0159\u00edve sta\u010dilo zachytit slune\u010dn\u00ed paprsky dopadaj\u00edc\u00ed shora, dnes modern\u00ed technologie dok\u00e1\u017e\u00ed vyt\u011b\u017eit energii i z odra\u017een\u00e9ho sv\u011btla \u2013 ze zem\u011b, st\u0159echy nebo okoln\u00edch povrch\u016f. Bifaci\u00e1ln\u00ed panely nejsou jen dal\u0161\u00edm krokem vp\u0159ed. Jsou z\u00e1sadn\u00edm p\u0159episem pravidel toho, jak fotovoltaika funguje.<\/p>\n\n\n\n

Zat\u00edmco klasick\u00e9 monofaci\u00e1ln\u00ed panely pracuj\u00ed jen s jednou aktivn\u00ed stranou, bifaci\u00e1ln\u00ed moduly jsou vybaveny fotovoltaick\u00fdmi \u010dl\u00e1nky na p\u0159edn\u00ed i zadn\u00ed plo\u0161e. V\u00fdsledkem je panel, kter\u00fd nep\u0159ijde o \u017e\u00e1dn\u00fd foton \u2013 ani ten, kter\u00fd by jinak odrazila sv\u011btl\u00e1 st\u0159echa nebo betonov\u00e1 plocha pod konstrukc\u00ed. Tato vlastnost z nich d\u011bl\u00e1 technologii, kter\u00e1 m\u00e1 smysl nejen v sol\u00e1rn\u00edch farm\u00e1ch, ale i na b\u011b\u017en\u00fdch rodinn\u00fdch domech.<\/p>\n\n\n\n

Z\u00e1jem o bifaci\u00e1ln\u00ed panely p\u0159itom nen\u00ed jen m\u00f3dn\u00ed vlna. Trh jasn\u011b hovo\u0159\u00ed: pokud je n\u011bjak\u00fd trend ve fotovoltaice na vzestupu, jsou to pr\u00e1v\u011b bifaci\u00e1ln\u00ed panely. A data z re\u00e1ln\u00fdch instalac\u00ed tento z\u00e1jem pln\u011b potvrzuj\u00ed.<\/p>\n\n\n\n

Jak to cel\u00e9 funguje a co to p\u0159in\u00e1\u0161\u00ed v praxi<\/h4>\n\n\n\n

Princip bifaci\u00e1ln\u00edch panel\u016f je elegantn\u011b jednoduch\u00fd. P\u0159edn\u00ed strana zachyt\u00e1v\u00e1 p\u0159\u00edm\u00e9 slune\u010dn\u00ed z\u00e1\u0159en\u00ed, zat\u00edmco zadn\u00ed strana vyu\u017e\u00edv\u00e1 sv\u011btlo odra\u017een\u00e9 od podkladu \u2013 a\u0165 u\u017e jde o b\u00edlou st\u0159e\u0161n\u00ed f\u00f3lii, sv\u011btl\u00fd beton, nebo v zimn\u00edch m\u011bs\u00edc\u00edch o sn\u011bhovou pokr\u00fdvku. Na ka\u017ed\u00e9 stran\u011b panelu jsou um\u00edst\u011bny fotovoltaick\u00e9 \u010dl\u00e1nky, kter\u00e9 absorbuj\u00ed slune\u010dn\u00ed energii a generuj\u00ed elekt\u0159inu, p\u0159i\u010dem\u017e zadn\u00ed strana dok\u00e1\u017ee p\u0159idat dal\u0161\u00edch 25 a\u017e 40 % v\u00fdkonu nav\u00edc.<\/p>\n\n\n\n

D\u016fle\u017eitou roli hraje tak\u00e9 stabilita v\u00fdroby b\u011bhem dne. Dvojstrann\u00e1 technologie poskytuje vyrovnan\u011bj\u0161\u00ed v\u00fdstup v\u00fdkonu po cel\u00fd den \u2013 sni\u017euje typick\u00fd \u0161pi\u010dkov\u00fd v\u00fdkon v poledne a rychl\u00fd pokles ve\u010der, kter\u00fd je charakteristick\u00fd pro b\u011b\u017en\u00e9 sol\u00e1rn\u00ed instalace. Pro dom\u00e1cnosti i firmy to znamen\u00e1 p\u0159edv\u00eddateln\u011bj\u0161\u00ed chod syst\u00e9mu a men\u0161\u00ed n\u00e1roky na bateriov\u00e9 \u00falo\u017ei\u0161t\u011b.<\/p>\n\n\n\n

V\u00fdhodou je rovn\u011b\u017e v\u00fdkon za m\u00e9n\u011b p\u0159\u00edzniv\u00fdch sv\u011bteln\u00fdch podm\u00ednek. Bifaci\u00e1ln\u00ed panely vykazuj\u00ed lep\u0161\u00ed vlastnosti p\u0159i v\u00fdrob\u011b energie i p\u0159i hor\u0161\u00edm po\u010das\u00ed nebo specifick\u00fdch sv\u011bteln\u00fdch podm\u00ednk\u00e1ch \u2013 typicky v prvn\u00edch jarn\u00edch m\u011bs\u00edc\u00edch nebo r\u00e1no a ve\u010der, kdy slune\u010dn\u00ed paprsky dopadaj\u00ed pod ostr\u00fdm \u00fahlem.<\/p>\n\n\n\n

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Technologie uvnit\u0159: pro\u010d N-typ a dvojit\u00e9 sklo m\u011bn\u00ed hru<\/h4>\n\n\n\n

Za v\u00fdkonem bifaci\u00e1ln\u00edch panel\u016f nestoj\u00ed jen oboustrannost \u2013 kl\u00ed\u010dovou roli hraje typ pou\u017eit\u00fdch \u010dl\u00e1nk\u016f. Nejlep\u0161\u00ed bifaci\u00e1ln\u00ed panely vyu\u017e\u00edvaj\u00ed pokro\u010dilou technologii k\u0159em\u00edku typu N kombinovanou s architekturami TOPCon nebo PERC za \u00fa\u010delem maximalizace v\u00fdkonu a \u00fa\u010dinnosti. K\u0159em\u00edk N-typu je p\u0159irozen\u011b odoln\u011bj\u0161\u00ed v\u016f\u010di degradaci zp\u016fsoben\u00e9 sv\u011btlem, co\u017e se v praxi projev\u00ed lep\u0161\u00edm v\u00fdkonem po celou dobu \u017eivotnosti panelu.<\/p>\n\n\n\n

Konstruk\u010dn\u011b se bifaci\u00e1ln\u00ed panely nej\u010dast\u011bji vyr\u00e1b\u011bj\u00ed ve variant\u011b sklo\u2013sklo, kde jsou fotovoltaick\u00e9 \u010dl\u00e1nky uzav\u0159eny mezi dv\u011bma sklen\u011bn\u00fdmi deskami. Bifaci\u00e1ln\u00ed panely s oboustrann\u00fdmi sklen\u011bn\u00fdmi povrchy jsou struktur\u00e1ln\u011b siln\u011bj\u0161\u00ed a mohou odol\u00e1vat t\u011b\u017e\u0161\u00edm zat\u00ed\u017een\u00edm ne\u017e jin\u00e9 bifaci\u00e1ln\u00ed nebo monofaci\u00e1ln\u00ed sol\u00e1rn\u00ed panely. Takov\u00e1 konstrukce z\u00e1rove\u0148 prodlu\u017euje \u017eivotnost a sni\u017euje n\u00e1roky na \u00fadr\u017ebu.<\/p>\n\n\n\n

V\u00fdrobci dnes standardn\u011b nab\u00edzej\u00ed na bifaci\u00e1ln\u00ed panely s N-typ \u010dl\u00e1nky z\u00e1ruky na v\u00fdkon p\u0159esahuj\u00edc\u00ed 30 let \u2013 co\u017e je v\u00fdrazn\u011b v\u00edce ne\u017e u star\u0161\u00edch generac\u00ed technologi\u00ed.<\/p>\n\n\n\n

\n

\u201cLep\u0161\u00ed vlastnosti p\u0159i v\u00fdrob\u011b energie vykazuj\u00ed bifaci\u00e1ln\u00ed panely i p\u0159i hor\u0161\u00edm po\u010das\u00ed nebo specifick\u00fdch sv\u011bteln\u00fdch podm\u00ednk\u00e1ch. V tuto dobu slune\u010dn\u00ed paprsky dopadaj\u00ed na panel pod velmi ostr\u00fdm \u00fahlem a efektivn\u00ed mno\u017estv\u00ed zachycen\u00e9 energie je ni\u017e\u0161\u00ed. Pro majitele je to bonus, kter\u00fd vede k rychlej\u0161\u00ed n\u00e1vratnosti po\u010d\u00e1te\u010dn\u00ed investice.\u201d<\/p>\nRadek Ors\u00e1g<\/strong>, \u0159editel distribu\u010dn\u00ed spole\u010dnosti SOLSOL<\/cite><\/blockquote>\n\n\n\n

Kde bifaci\u00e1ln\u00ed panely skute\u010dn\u011b z\u00e1\u0159\u00ed a pro koho maj\u00ed smysl<\/h4>\n\n\n\n

Bifaci\u00e1ln\u00ed panely nejsou univerz\u00e1ln\u00edm \u0159e\u0161en\u00edm pro ka\u017edou st\u0159echu \u2013 jejich potenci\u00e1l se naplno projev\u00ed tehdy, kdy\u017e je instalace spr\u00e1vn\u011b navr\u017eena. Instalace na vyv\u00fd\u0161en\u00fdch konstrukc\u00edch, syst\u00e9mech sledov\u00e1n\u00ed slunce nebo pozemn\u00edch pol\u00edch s dostate\u010dn\u00fdm voln\u00fdm prostorem pod panely maximalizuje potenci\u00e1l bifaci\u00e1ln\u00edho zisku. Obecn\u011b plat\u00ed, \u017ee \u010d\u00edm sv\u011btlej\u0161\u00ed a odraziv\u011bj\u0161\u00ed povrch pod panely, t\u00edm v\u011bt\u0161\u00ed p\u0159\u00ednos zadn\u00ed strany.<\/p>\n\n\n\n

Mimo klasick\u00e9 st\u0159e\u0161n\u00ed instalace nach\u00e1zej\u00ed bifaci\u00e1ln\u00ed panely uplatn\u011bn\u00ed i v neobvykl\u00fdch situac\u00edch. Instalac\u00ed bifaci\u00e1ln\u00edch panel\u016f nad zem\u011bd\u011blskou p\u016fdu je realizov\u00e1no dvoj\u00ed vyu\u017eit\u00ed \u2013 zem\u011bd\u011blstv\u00ed a fotovoltaick\u00e1 v\u00fdroba energie, p\u0159i\u010dem\u017e plodiny pod panely mohou t\u011b\u017eit ze slune\u010dn\u00edho sv\u011btla, kter\u00e9 proch\u00e1z\u00ed panely, zat\u00edmco panely zachyt\u00e1vaj\u00ed sv\u011btlo odra\u017een\u00e9 od zem\u011b. Podobn\u00fd princip funguje i u instalac\u00ed nad vodn\u00edmi plochami.<\/p>\n\n\n\n

Z ekonomick\u00e9ho pohledu se vy\u0161\u0161\u00ed po\u0159izovac\u00ed cena bifaci\u00e1ln\u00edch panel\u016f vr\u00e1t\u00ed d\u00edky dlouhodob\u011b vy\u0161\u0161\u00ed produkci. Bifaci\u00e1ln\u00ed panely mohou vyrobit a\u017e o 25 % v\u00edce energie ne\u017e klasick\u00e9 sol\u00e1rn\u00ed panely, co\u017e v kombinaci s jejich del\u0161\u00ed \u017eivotnost\u00ed a ni\u017e\u0161\u00edmi n\u00e1klady na kilowatthodinu d\u011bl\u00e1 z t\u00e9to technologie investici s jasnou perspektivou.<\/p>\n","protected":false},"excerpt":{"rendered":"

Amet minim mollit non deserunt ullamco est sit aliqua amet sint. Velit officia consequat duis enim velit mollit. Exercitation veniam consequat sunt nostrud amet…<\/p>\n","protected":false},"author":2,"featured_media":6175,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-5843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fotovoltaika"],"_links":{"self":[{"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/posts\/5843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/energomar.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5843"}],"version-history":[{"count":2,"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/posts\/5843\/revisions"}],"predecessor-version":[{"id":5908,"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/posts\/5843\/revisions\/5908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/energomar.cz\/index.php?rest_route=\/wp\/v2\/media\/6175"}],"wp:attachment":[{"href":"https:\/\/energomar.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energomar.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energomar.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}