{"id":103558,"date":"2026-04-02T00:19:30","date_gmt":"2026-04-01T22:19:30","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=103558"},"modified":"2026-04-01T13:04:52","modified_gmt":"2026-04-01T11:04:52","slug":"fotovoltaika-se-vyplati-kolik-elektriny-vam-za-rok-dokaze-vyrobit","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/04\/02\/fotovoltaika-se-vyplati-kolik-elektriny-vam-za-rok-dokaze-vyrobit\/","title":{"rendered":"Fotovoltaika se vyplat\u00ed. Kolik elekt\u0159iny v\u00e1m za rok dok\u00e1\u017ee vyrobit?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong>Po\u0159\u00edzen\u00ed dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rny je v dob\u011b, kdy hroz\u00ed mo\u017en\u00e1 dal\u0161\u00ed energetick\u00e1 krize, s\u00e1zkou na jistotu. Z\u00edsk\u00e1te toti\u017e nejen zdroj levn\u00e9 elektrick\u00e9 energie, ale tak\u00e9 citeln\u011b zv\u00fd\u0161\u00edte svou energetickou nez\u00e1vislost a bezpe\u010dnost. Z\u00e1jemci o fotovoltaiku \u010dasto \u0159e\u0161\u00ed, kolik takov\u00e1 dom\u00e1c\u00ed elektr\u00e1rna dok\u00e1\u017ee ro\u010dn\u011b vyrobit elekt\u0159iny. Z\u00e1kladn\u00ed odhad si ud\u011bl\u00e1te pom\u011brn\u011b snadno.<\/strong><\/p>\n<p>P\u0159esn\u011b ur\u010dit ro\u010dn\u00ed v\u00fdrobu elekt\u0159iny v dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rn\u011b nen\u00ed \u00fapln\u011b jednoduch\u00e9. Z\u00e1le\u017e\u00ed toti\u017e na mnoha faktorech. Kl\u00ed\u010dov\u00fd je samoz\u0159ejm\u011b instalovan\u00fd v\u00fdkon sol\u00e1rn\u00edch panel\u016f a jejich orientace v\u016f\u010di sv\u011btov\u00fdm stran\u00e1m. D\u016fle\u017eitou roli hraj\u00ed tak\u00e9 na m\u00edstn\u00ed klimatick\u00e9 podm\u00ednky a po\u010det slune\u010dn\u00fdch dn\u016f v roce.<\/p>\n<h3><strong>Jak v\u00fdkonn\u00e9 jsou sol\u00e1rn\u00ed panely?<\/strong><\/h3>\n<p>V\u00fdkon sol\u00e1rn\u00edch panel\u016f se ozna\u010duje v jednotk\u00e1ch Wp (watt\u2011peak, \u0161pi\u010dkov\u00fd v\u00fdkon panelu za ide\u00e1ln\u00edch podm\u00ednek), kter\u00e9 \u2013 zjednodu\u0161en\u011b \u0159e\u010deno \u2013 ukazuj\u00ed, jak velk\u00fd v\u00fdkon panel poskytne, pokud na n\u011bj naplno sv\u00edt\u00ed slunce. <em>\u201eV sou\u010dasnosti se pro dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rny pou\u017e\u00edvaj\u00ed fotovoltaick\u00e9 panely o v\u00fdkonu 400 a\u017e 600 Wp. Na pr\u016fm\u011brnou dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rnu o v\u00fdkonu 10 KWp je jich pot\u0159eba asi dvacet, co\u017e p\u0159ibli\u017en\u011b odpov\u00edd\u00e1 vyu\u017eiteln\u00e9 plo\u0161e st\u0159echy b\u011b\u017en\u00e9ho rodinn\u00e9ho domu,\u201c<\/em> vypo\u010d\u00edt\u00e1v\u00e1 Jan Birgus, technick\u00fd specialista na fotovoltaick\u00e9 syst\u00e9my ze spole\u010dnosti Lunek, kter\u00e1 se zab\u00fdv\u00e1 instalacemi i servisem sol\u00e1rn\u00edch elektr\u00e1ren<\/p>\n<p>Podle dat Sol\u00e1rn\u00ed asociace dos\u00e1hla v prvn\u00edm pololet\u00ed roku 2025 pr\u016fm\u011brn\u00e1 velikost dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rny 11,4 KWp. Tato hodnota je d\u00e1na pr\u00e1v\u011b dostupnou rozlohou st\u0159echy rodinn\u00e9ho domu a tak\u00e9 nastaven\u00edm dota\u010dn\u00edch program\u016f.<\/p>\n<h3><strong>Kolik energie sol\u00e1rn\u00ed elektr\u00e1rna vyrob\u00ed?<\/strong><\/h3>\n<p>Na zemsk\u00fd povrch ro\u010dn\u011b dopad\u00e1 v na\u0161ich klimatick\u00fdch podm\u00ednk\u00e1ch zhruba 1000 kWh energie na ka\u017ed\u00fd metr \u010dtvere\u010dn\u00ed. Jde o hodnotu pro vodorovnou plochu, skute\u010dn\u00e9 oz\u00e1\u0159en\u00ed panelu b\u00fdv\u00e1 p\u0159i vhodn\u00e9m sklonu a orientaci o n\u011bco vy\u0161\u0161\u00ed. Sol\u00e1rn\u00ed panel ale z t\u00e9to energie um\u00ed vyu\u017e\u00edt jen \u010d\u00e1st. V praxi je nutn\u00e9 po\u010d\u00edtat, \u017ee 1 kWp instalovan\u00e9ho v\u00fdkonu fotovoltaiky vyrob\u00ed v na\u0161ich podm\u00ednk\u00e1ch pr\u016fm\u011brn\u011b 900 a\u017e 1150 kWh elektrick\u00e9 energie. <em>\u201eTento rozptyl je d\u00e1n hlavn\u011b geografick\u00fdm um\u00edst\u011bn\u00edm elektr\u00e1rny, sklonem a orientac\u00ed panel\u016f, nadmo\u0159skou v\u00fd\u0161kou a po\u010dtem slune\u010dn\u00fdch dn\u016f v dan\u00e9m roce. Pr\u016fm\u011brn\u00e1 dom\u00e1c\u00ed instalace dok\u00e1\u017ee ro\u010dn\u011b vyrobit p\u0159ibli\u017en\u011b 11,4 MWh elekt\u0159iny. A to u\u017e nen\u00ed \u00fapln\u011b m\u00e1lo,\u201c<\/em> shrnuje Jan Birgus.<\/p>\n<p>V\u00fdroba elekt\u0159iny v sol\u00e1rn\u00ed elektr\u00e1rn\u011b ale samoz\u0159ejm\u011b kol\u00eds\u00e1 v z\u00e1vislosti na ro\u010dn\u00edm obdob\u00ed. Nejv\u00edce elekt\u0159iny fotovoltaika poskytne v l\u00e9t\u011b, ale velkou \u010d\u00e1st spot\u0159eby elekt\u0159iny v dom\u00e1cnosti m\u016f\u017ee pokr\u00fdt i na ja\u0159e a na podzim. <em>\u201eObdob\u00ed n\u00edzk\u00e9 v\u00fdroby je pom\u011brn\u011b kr\u00e1tk\u00e9 \u2013 v podstat\u011b jde o m\u011bs\u00edce listopad, prosinec a \u010d\u00e1st ledna, by\u0165 leto\u0161n\u00ed leden byl co do po\u010dtu slune\u010dn\u00fdch dn\u00ed opravdu podpr\u016fm\u011brn\u00fd. \u00danor u\u017e obvykle p\u0159in\u00e1\u0161\u00ed znateln\u00e9 zlep\u0161en\u00ed, i kdy\u017e st\u00e1le nejde o plnohodnotnou sez\u00f3nu,\u201c<\/em> \u0159\u00edk\u00e1 Jan Birgus ze spole\u010dnosti Lunek. A dod\u00e1v\u00e1, \u017ee celkovou v\u00fdrobu elekt\u0159iny v dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rn\u011b a jej\u00ed ro\u010dn\u00ed pr\u016fb\u011bh lze dob\u0159e modelovat pomoc\u00ed evropsk\u00e9ho n\u00e1stroje <a href=\"https:\/\/re.jrc.ec.europa.eu\/pvg_tools\/en\/\">PVGIS<\/a>, kter\u00fd pracuje s lok\u00e1ln\u00edmi klimatick\u00fdmi daty a technick\u00fdmi studiemi.<\/p>\n<h3><strong>Z\u00e1sadn\u00ed je m\u00edstn\u00ed spot\u0159eba a akumulace\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/h3>\n<p>Ro\u010dn\u00ed v\u00fdroba elekt\u0159iny v dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rn\u011b je sice kl\u00ed\u010dov\u00fd ukazatel, pro ekonomick\u00fd a rentabiln\u00ed provoz cel\u00e9ho za\u0159\u00edzen\u00ed ale st\u00e1le plat\u00ed, \u017ee co nejv\u00edce sol\u00e1rn\u00ed elekt\u0159iny mus\u00edte spot\u0159ebovat p\u0159\u00edmo doma. Sol\u00e1rn\u00ed elekt\u0159ina v\u00e1m takto toti\u017e \u201enahrazuje\u201c energii, kterou byste jinak museli kupovat od dodavatele. Prodej p\u0159ebytk\u016f sol\u00e1rn\u00ed elekt\u0159iny v\u011bt\u0161inou nen\u00ed ekonomicky v\u00fdhodn\u00fd.<\/p>\n<p><em>\u201eD\u016fle\u017eit\u00e9 je spr\u00e1vn\u00e9 dimenzov\u00e1n\u00ed v\u00fdkonu fotovoltaiky. Nem\u011bl by b\u00fdt zbyte\u010dn\u011b n\u00edzk\u00fd, ale ani p\u0159\u00edli\u0161 vysok\u00fd. Pro akumulaci p\u0159ebytk\u016f obvykle slou\u017e\u00ed baterie, ale m\u016f\u017ee to b\u00fdt tak\u00e9 tepl\u00e1 voda v bojleru nebo virtu\u00e1ln\u00ed baterie, kterou nab\u00edz\u00ed n\u011bkte\u0159\u00ed dodavatel\u00e9 elekt\u0159iny. Pokud nav\u00edc dom\u00e1cnost vlastn\u00ed elektrick\u00e9 auto, p\u0159\u00edpadn\u011b se zapoj\u00ed do sd\u00edlen\u00ed elekt\u0159iny, t\u00edm l\u00e9pe,\u201c<\/em> uzav\u00edr\u00e1 Jan Birgus.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po\u0159\u00edzen\u00ed dom\u00e1c\u00ed sol\u00e1rn\u00ed elektr\u00e1rny je v dob\u011b, kdy hroz\u00ed mo\u017en\u00e1 dal\u0161\u00ed energetick\u00e1 krize, s\u00e1zkou na&#8230;<\/p>\n","protected":false},"author":2,"featured_media":103559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[285,7380,331],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/103558"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=103558"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/103558\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/103559"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=103558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=103558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=103558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}