{"id":5074,"date":"2026-01-12T11:01:06","date_gmt":"2026-01-12T11:01:06","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=5074"},"modified":"2026-01-12T11:01:08","modified_gmt":"2026-01-12T11:01:08","slug":"time-of-use-tou-explained-how-to-size-a-home-battery-to-reduce-peak-costs","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/time-of-use-tou-explained-how-to-size-a-home-battery-to-reduce-peak-costs\/","title":{"rendered":"Vysv\u011btlen\u00ed doby spot\u0159eby (TOU): Jak dimenzovat dom\u00e1c\u00ed baterii, aby se sn\u00ed\u017eily n\u00e1klady ve \u0161pi\u010dce?"},"content":{"rendered":"<p>Vysv\u011btlen\u00ed doby spot\u0159eby (TOU): Jak stanovit velikost <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/power-wall\/\" target=\"_blank\" rel=\"noreferrer noopener\">Domovsk\u00e1 baterie<\/a><\/strong> ke sn\u00ed\u017een\u00ed n\u00e1klad\u016f ve \u0161pi\u010dce. Na konci dne - kdy\u017e zapnete chlazen\u00ed, uva\u0159\u00edte ve\u010de\u0159i a p\u0159\u00edpadn\u011b nabijete elektromobil - m\u016f\u017eete soust\u0159edit velkou \u010d\u00e1st sv\u00e9 spot\u0159eby do s\u00edt\u011b. <strong>ve \u0161pi\u010dce<\/strong> okno. Na str\u00e1nce <strong>\u010cas spot\u0159eby (TOU)<\/strong> ceny, jsou tyto hodiny \u00fa\u010dtov\u00e1ny vy\u0161\u0161\u00edmi sazbami ne\u017e <strong>mimo \u0161pi\u010dku<\/strong>, a v n\u011bkter\u00fdch tarifech m\u016f\u017ee b\u00fdt cena za \u0161pi\u010dku <strong>zhruba 2-3\u00d7<\/strong> sazba mimo \u0161pi\u010dku (p\u0159esn\u00e9 rozp\u011bt\u00ed z\u00e1vis\u00ed na va\u0161\u00ed spole\u010dnosti, ro\u010dn\u00edm obdob\u00ed a tarifu). Spr\u00e1vn\u011b dimenzovan\u00e1 dom\u00e1c\u00ed baterie m\u016f\u017ee sn\u00ed\u017eit n\u00e1klady prost\u0159ednictv\u00edm <strong>energetick\u00e1 arbitr\u00e1\u017e<\/strong> nab\u00edjen\u00edm v obdob\u00ed ni\u017e\u0161\u00edch n\u00e1klad\u016f (nebo z p\u0159ebytku sol\u00e1rn\u00ed energie) a vyb\u00edjen\u00edm v obdob\u00ed cenov\u00e9 \u0161pi\u010dky. Tento pr\u016fvodce vysv\u011btluje, jak TOU funguje, pro\u010d samotn\u00e1 sol\u00e1rn\u00ed energie \u010dasto neodpov\u00edd\u00e1 \u0161pi\u010dkov\u00e9 popt\u00e1vce a jak dimenzovat \u00falo\u017ei\u0161t\u011b pro spolehliv\u00e9 \u00faspory na z\u00e1klad\u011b \u00fa\u010dt\u016f.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/vava-101.jpg\" alt=\"\" class=\"wp-image-2052\"\/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/10kwh-battery-for-powerwall-home-battery-storage-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 10kWh baterie Powerwall Home<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><strong>Co je to cena za spot\u0159ebu (TOU)? (Demystifikace sazeb)<\/strong><\/h2><p>Stanoven\u00ed ceny podle doby spot\u0159eby znamen\u00e1, \u017ee n\u00e1klady na elekt\u0159inu <strong>r\u016fzn\u00e1 mno\u017estv\u00ed v r\u016fzn\u00fdch denn\u00edch dob\u00e1ch<\/strong>, obvykle na z\u00e1klad\u011b popt\u00e1vky v s\u00edti (a st\u00e1le \u010dast\u011bji na z\u00e1klad\u011b n\u00e1klad\u016f energetick\u00e9 spole\u010dnosti na n\u00e1kup a dod\u00e1vku energie v t\u011bchto obdob\u00edch). Kdy\u017e je popt\u00e1vka ni\u017e\u0161\u00ed, jsou sazby obvykle ni\u017e\u0161\u00ed. Kdy\u017e popt\u00e1vka prudce vzroste, sazby se zvy\u0161uj\u00ed.<\/p><p>V\u011bt\u0161ina tarif\u016f TOU rozd\u011bluje den na z\u00f3ny, jako jsou:<\/p><ul class=\"wp-block-list\"><li><strong>Mimo \u0161pi\u010dku<\/strong> (\u010dasto od pozdn\u00ed noci do poledne\/odpoledne): Ni\u017e\u0161\u00ed sazby. \u010casto nejlep\u0161\u00ed doba pro nab\u00edjen\u00ed bateri\u00ed a elektromobil\u016f.<\/li>\n\n<li><strong>Ve \u0161pi\u010dce<\/strong> (obvykle pozd\u011b odpoledne a\u017e ve\u010der): Vy\u0161\u0161\u00ed sazby. Toto je nebezpe\u010dn\u00e1 z\u00f3na pro v\u00e1\u0161 \u00fa\u010det.<\/li>\n\n<li><strong>Super mimo \u0161pi\u010dku<\/strong> (specifick\u00e9 pro pl\u00e1n a region): Velmi n\u00edzk\u00e9 ceny, kter\u00e9 se mohou objevit <strong>sez\u00f3nn\u011b<\/strong> nebo v ur\u010dit\u00fdch hodin\u00e1ch (n\u011bkdy v poledne v oblastech s vysokou intenzitou slune\u010dn\u00edho z\u00e1\u0159en\u00ed, n\u011bkdy p\u0159es noc), v z\u00e1vislosti na dodavateli.<\/li><\/ul><p>P\u0159esn\u00e1 \u010dasov\u00e1 okna se li\u0161\u00ed podle poskytovatele slu\u017eeb, ro\u010dn\u00edho obdob\u00ed, a dokonce i podle toho, zda se jedn\u00e1 o v\u0161edn\u00ed den nebo v\u00edkend, tak\u017ee pravdiv\u00fd je v\u00e1\u0161 \u00fa\u010det nebo sazebn\u00edk.<\/p><h3 class=\"wp-block-heading\">Pau\u0161\u00e1ln\u00ed sazba vs. TOU<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Funkce<\/th><th>Pau\u0161\u00e1ln\u00ed sazba<\/th><th>TOU<\/th><\/tr><\/thead><tbody><tr><td>Konzistence n\u00e1klad\u016f<\/td><td>P\u0159edv\u00eddateln\u00e9<\/td><td>Prom\u011bnn\u00e1 podle \u010dasov\u00e9ho okna<\/td><\/tr><tr><td>U\u017eivatelsk\u00e9 ovl\u00e1d\u00e1n\u00ed<\/td><td>N\u00edzk\u00e1<\/td><td>Vysok\u00e1 (m\u016f\u017eete p\u0159esunout pou\u017eit\u00ed)<\/td><\/tr><tr><td>Dopad na s\u00ed\u0165<\/td><td>M\u00e9n\u011b pob\u00eddek k p\u0159esunu z\u00e1t\u011b\u017ee<\/td><td>P\u0159izp\u016fsoben\u00ed pro posun n\u00e1kladu<\/td><\/tr><tr><td>Vy\u017eaduje se inteligentn\u00ed m\u011b\u0159i\u010d<\/td><td>Nen\u00ed nutn\u00e9 (ale \u010dasto se instaluje)<\/td><td>Obvykle se vy\u017eaduje (intervalov\u00e9\/AMI m\u011b\u0159en\u00ed)<\/td><\/tr><\/tbody><\/table><\/figure><p>Pau\u0161\u00e1ln\u00ed sazby odm\u011b\u0148uj\u00ed lhostejnost. TOU odm\u011b\u0148uje strategii.<\/p><h2 class=\"wp-block-heading\"><strong>\"Sol\u00e1rn\u00ed mezera\": Pro\u010d samotn\u00e9 sol\u00e1rn\u00ed panely nesta\u010d\u00ed?<\/strong><\/h2><p>Sol\u00e1rn\u00ed panely obvykle vyr\u00e1b\u011bj\u00ed nejv\u00edce energie v okol\u00ed <strong>poledn\u00ed<\/strong>. Bohu\u017eel, mnoho dom\u00e1cnost\u00ed spot\u0159ebov\u00e1v\u00e1 nejv\u00edce elekt\u0159iny ve <strong>pozdn\u00ed odpoledne a ve\u010der<\/strong>-p\u0159esn\u011b v dob\u011b, kdy ceny TOU \u010dasto dosahuj\u00ed maxima. Tento nesoulad je <strong>sol\u00e1rn\u00ed mezera<\/strong>a je to hlavn\u00ed d\u016fvod, pro\u010d mohou m\u00edt domy vyu\u017e\u00edvaj\u00edc\u00ed pouze sol\u00e1rn\u00ed energii st\u00e1le vysok\u00e9 \u00fa\u010dty za TOU.<\/p><p>Provozovatel\u00e9 s\u00edt\u00ed tento probl\u00e9m zpopularizovali pomoc\u00ed \"kachn\u00ed k\u0159ivky\", kter\u00e1 zn\u00e1zor\u0148uje zn\u00e1m\u00fd vzorec v regionech s velk\u00fdm pod\u00edlem sol\u00e1rn\u00ed energie: poledn\u00ed p\u0159ebytek nab\u00eddky, po n\u011bm\u017e n\u00e1sleduje prudk\u00fd ve\u010dern\u00ed n\u00e1r\u016fst \u010dist\u00e9 popt\u00e1vky. Sol\u00e1rn\u00ed energie pom\u00e1h\u00e1, ale bez mo\u017enosti \u010dasov\u00e9ho posunu energie se nakonec stejn\u011b nakupuje drah\u00e1 kWh, kdy\u017e slunce nesv\u00edt\u00ed.<\/p><p>Zm\u011bny v politice mohou tento rozd\u00edl je\u0161t\u011b prohloubit. V r\u00e1mci nov\u011bj\u0161\u00edch struktur \u00fa\u010dtov\u00e1n\u00ed \u010dist\u00e9ho zisku (\u010dasto diskutovan\u00fdch v kontextu <strong>NEM 3.0<\/strong>), je exportovan\u00e1 sol\u00e1rn\u00ed energie zapo\u010d\u00edt\u00e1v\u00e1na na z\u00e1klad\u011b zamezen\u00fdch n\u00e1klad\u016f a m\u016f\u017ee b\u00fdt um\u00edst\u011bna do <strong>jednocifern\u00e9 centy za kWh<\/strong> v mnoha hodin\u00e1ch - zejm\u00e9na kdy\u017e je s\u00ed\u0165 ji\u017e nasycena sol\u00e1rn\u00ed energi\u00ed. Praktick\u00fdm d\u016fsledkem je, \u017ee bez skladov\u00e1n\u00ed m\u016f\u017eete v poledne \"prod\u00e1vat\" sol\u00e1rn\u00ed energii za n\u00edzk\u00e9 kredity a v noci \"nakupovat\" energii ze s\u00edt\u011b za vysok\u00e9 ceny. To je obchod, kter\u00fd maj\u00ed baterie napravit.<\/p><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003.jpg\" alt=\"\" class=\"wp-image-4481\" srcset=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003.jpg 1000w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-300x300.jpg 300w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-150x150.jpg 150w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-768x768.jpg 768w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-12x12.jpg 12w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-600x600.jpg 600w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/produkt\/kamada-power-10kwh-home-sodium-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 10kWh dom\u00e1c\u00ed sod\u00edkov\u00e9 baterie<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><strong>Jak dom\u00e1c\u00ed \u00falo\u017ei\u0161t\u011b energie \u0159e\u0161\u00ed h\u00e1danku TOU<\/strong><\/h2><p>A <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/power-wall\/\" target=\"_blank\" rel=\"noreferrer noopener\">dom\u00e1c\u00ed baterie<\/a><\/strong> m\u011bn\u00ed matematiku t\u00edm, \u017ee v\u00e1m umo\u017e\u0148uje <strong>p\u0159esouvat energii v \u010dase<\/strong>.<\/p><h3 class=\"wp-block-heading\">Strategie 1: \u00daspora ve \u0161pi\u010dce (p\u0159esun z\u00e1t\u011b\u017ee)<\/h3><p>Baterie se nab\u00edj\u00ed, kdy\u017e je elekt\u0159ina levn\u011bj\u0161\u00ed - bu\u010f ze sol\u00e1rn\u00edch panel\u016f, nebo mimo \u0161pi\u010dku - a vyb\u00edj\u00ed se v dob\u011b, kdy je elekt\u0159ina dra\u017e\u0161\u00ed. Od 16:00 do 21:00 (nebo podle toho, co v\u00e1\u0161 pl\u00e1n definuje jako \u0161pi\u010dku) bude v\u00e1\u0161 d\u016fm v\u00edce vyu\u017e\u00edvat ulo\u017eenou energii a m\u00e9n\u011b drahou energii ze s\u00edt\u011b.<\/p><p><strong>V\u00fdsledek:<\/strong> Vy <strong>vyhnout se n\u00e1kupu kWh za ceny ve \u0161pi\u010dce<\/strong>a p\u0159esunout tak velkou \u010d\u00e1st spot\u0159eby mimo \u0161pi\u010dku (po ode\u010dten\u00ed ztr\u00e1t p\u0159i j\u00edzd\u011b tam a zp\u011bt a b\u011b\u017en\u00e9ho opot\u0159eben\u00ed baterie).<\/p><h3 class=\"wp-block-heading\">Strategie 2: Vlastn\u00ed spot\u0159eba (oprava \u010dist\u00e9 fakturace)<\/h3><p>M\u00edsto toho, abyste sol\u00e1rn\u00ed energii vyv\u00e1\u017eeli za n\u00edzk\u00e9 kredity, m\u016f\u017eete ji skladovat a pou\u017e\u00edt pozd\u011bji. T\u00edm se zv\u00fd\u0161\u00ed va\u0161e <strong>vlastn\u00ed spot\u0159eba<\/strong> a sni\u017euje expozici v\u016f\u010di volatilit\u011b TOU.<\/p><p>V praxi v\u011bt\u0161ina syst\u00e9m\u016f automaticky kombinuje ob\u011b strategie pomoc\u00ed \u010dasov\u00fdch kontrol.<\/p><h2 class=\"wp-block-heading\"><strong>V\u00fdpo\u010det n\u00e1vratnosti investice<\/strong><\/h2><p>Prove\u010fme realistick\u00fd sc\u00e9n\u00e1\u0159 z trhu s vysok\u00fdm TOU.<\/p><ul class=\"wp-block-list\"><li><strong>\u0160pi\u010dkov\u00e1 rychlost:<\/strong> $0,54 \/ kWh<\/li>\n\n<li><strong>Sazba mimo \u0161pi\u010dku:<\/strong> $0,24 \/ kWh<\/li>\n\n<li><strong>Roz\u0161\u00ed\u0159en\u00ed:<\/strong> $0,30 \/ kWh<\/li><\/ul><p>Nyn\u00ed p\u0159edpokl\u00e1dejme, \u017ee a <strong>Baterie t\u0159\u00eddy ~13-15 kWh<\/strong> (nap\u0159\u00edklad syst\u00e9my kategorie Powerwall).<\/p><p>Zde je kl\u00ed\u010dov\u00e1 oprava, d\u00edky n\u00ed\u017e je matematika n\u00e1vratnosti investic poctiv\u00e1: <strong>m\u00e1lokdy \"p\u0159esunete\" plnou jmenovitou kWh ka\u017ed\u00fd den.<\/strong> Skute\u010dn\u00e9 \u00faspory z\u00e1vis\u00ed na (1) tom, kolik energie m\u016f\u017eete skute\u010dn\u011b p\u0159esunout ze \u0161pi\u010dky do obdob\u00ed mimo \u0161pi\u010dku, (2) na \u00fa\u010dinnosti baterie p\u0159i obousm\u011brn\u00e9m provozu a (3) na nastaven\u00ed regulace (nap\u0159\u00edklad rezerva pro z\u00e1lohov\u00e1n\u00ed).<\/p><h3 class=\"wp-block-heading\">Realisti\u010dt\u011bj\u0161\u00ed model denn\u00edch \u00faspor<\/h3><ul class=\"wp-block-list\"><li><strong>P\u0159esunut\u00e1 energie (kWh\/den):<\/strong> co skute\u010dn\u011b kompenzujete ve \u0161pi\u010dce<\/li>\n\n<li><strong>Efektivn\u00ed rozp\u011bt\u00ed ($\/kWh):<\/strong> sazba ve \u0161pi\u010dce minus n\u00e1klady na nab\u00edjen\u00ed (n\u00e1klady mimo \u0161pi\u010dku nebo sol\u00e1rn\u00ed oportunitn\u00ed n\u00e1klady).<\/li>\n\n<li><strong>\u00da\u010dinnost syst\u00e9mu:<\/strong> ztr\u00e1ty p\u0159i okru\u017en\u00ed j\u00edzd\u011b sni\u017euj\u00ed dodanou \u0161pi\u010dkovou kWh<\/li><\/ul><p>Praktick\u00fd odhad vypad\u00e1 takto:<\/p><p><strong>Denn\u00ed \u00faspora \u2248 (P\u0159esunut\u00e1 kWh\/den) \u00d7 (\u0160pi\u010dkov\u00e1 sazba - Sazba poplatku) \u00d7 (Okru\u017en\u00ed \u00fa\u010dinnost)<\/strong><br><em>(a pak m\u016f\u017eete v duchu ode\u010d\u00edst \"n\u011bjak\u00e9\" pro dlouhodob\u00e9 opot\u0159eben\u00ed baterie - p\u0159esn\u00e9 hodnoty se li\u0161\u00ed podle v\u00fdrobku a zp\u016fsobu pou\u017eit\u00ed).<\/em><\/p><h3 class=\"wp-block-heading\">P\u0159\u00edklad<\/h3><p>Pokud m\u016f\u017eete spolehliv\u011b posunout <strong>12 kWh\/den<\/strong> (b\u011b\u017en\u00e9 po zohledn\u011bn\u00ed nastaven\u00ed rezervy a skute\u010dn\u00e9ho vyu\u017eit\u00ed okna ve \u0161pi\u010dce):<\/p><ul class=\"wp-block-list\"><li>Denn\u00ed \u00faspora \u2248 12 kWh \u00d7 $0,30 \u00d7 0,9 \u2248 <strong>$3.24\/den<\/strong><\/li>\n\n<li>M\u011bs\u00ed\u010dn\u00ed \u00faspora \u2248 <strong>~$97\/m\u011bs\u00edc<\/strong><\/li><\/ul><p>Pokud je tato energie nab\u00edjena ze sol\u00e1rn\u00ed energie, kterou byste jinak vyv\u00e1\u017eeli za n\u00edzk\u00e9 kredity, m\u016f\u017ee b\u00fdt efektivn\u00ed \u00faspora vy\u0161\u0161\u00ed - proto\u017ee se vyhnete drah\u00fdm n\u00e1kup\u016fm v noci a z\u00e1rove\u0148 se vzd\u00e1te levn\u00e9ho v\u00fdvozu v poledne.<\/p><p>Podle zku\u0161enost\u00ed s energeticky \u0161etrn\u00fdmi majiteli dom\u016f je to \u010dasto \"aha\" moment: baterie p\u0159estanou vypadat jako z\u00e1lo\u017en\u00ed za\u0159\u00edzen\u00ed a za\u010dnou vypadat jako <strong>n\u00e1stroje pro pl\u00e1nov\u00e1n\u00ed sazeb<\/strong>.<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Za\u0161krt\u00e1vac\u00ed pol\u00ed\u010dko Skute\u010dnost (nep\u0159eskakujte):<\/strong><\/p>\n\n<ul class=\"wp-block-list\"><li>Pokud nastav\u00edte z\u00e1lo\u017en\u00ed rezervu (nap\u0159. 20%), nem\u016f\u017eete tuto energii vynalo\u017eit na arbitr\u00e1\u017e.<\/li>\n\n<li>Pokud je va\u0161e \u0161pi\u010dkov\u00e9 okno kr\u00e1tk\u00e9, m\u016f\u017eete m\u00edt omezen\u00fd v\u00fdkon (kW), i kdy\u017e m\u00e1te dostatek kWh.<\/li>\n\n<li>\u00daspory jsou nejvy\u0161\u0161\u00ed, pokud je spot\u0159eba oken ve \u0161pi\u010dce v dom\u011b st\u00e1l\u00e1 a rozp\u011bt\u00ed je velk\u00e9.<\/li><\/ul><\/blockquote><h2 class=\"wp-block-heading\"><strong>Kl\u00ed\u010dov\u00e9 aspekty konfigurace syst\u00e9mu<\/strong><\/h2><h3 class=\"wp-block-heading\">Kapacita baterie (kWh)<\/h3><p>Za\u010dn\u011bte se sv\u00fdm <strong>spot\u0159eba energie ve \u0161pi\u010dce<\/strong>, nikoliv v\u00e1\u0161 celkov\u00fd denn\u00ed p\u0159\u00edjem. Pokud va\u0161e dom\u00e1cnost spot\u0159ebuje 12 kWh mezi 16. a 21. hodinou, baterie o kapacit\u011b 10 kWh toto okno pln\u011b nepokryje - zejm\u00e9na po zapo\u010dten\u00ed nastaven\u00ed rezervy a ztr\u00e1t. Poddimenzov\u00e1n\u00ed je nejrychlej\u0161\u00ed zp\u016fsob, jak nechat \u00faspory na stole.<\/p><p><strong>Pravidlo:<\/strong> Zam\u011b\u0159te se na pokryt\u00ed <em>energie, kterou chcete p\u0159esunout<\/em>, nikoliv marketingov\u00e9 \u010d\u00edslo baterie.<\/p><h3 class=\"wp-block-heading\">V\u00fdkon (kW)<\/h3><p>Odpov\u011bdi na ot\u00e1zky t\u00fdkaj\u00edc\u00ed se kapacity <em>jak dlouho<\/em>. Odpov\u011bdi Power <em>co<\/em>. Pokud va\u0161e baterie nedok\u00e1\u017ee ve \u0161pi\u010dce poh\u00e1n\u011bt hlavn\u00ed z\u00e1t\u011b\u017e, budete st\u00e1le \u010derpat energii ze s\u00edt\u011b.<\/p><p>Pro mnoho dom\u00e1cnost\u00ed, <strong>~5 kW nep\u0159etr\u017eit\u011b<\/strong> je praktick\u00fdm z\u00e1kladem, ale nen\u00ed univerz\u00e1ln\u00ed:<\/p><ul class=\"wp-block-list\"><li>V\u011bt\u0161\u00ed domy, elektrick\u00e9 va\u0159en\u00ed, v\u00edce z\u00f3n HVAC nebo \u010derpadla ve studn\u00edch mohou pot\u0159ebovat <strong>vy\u0161\u0161\u00ed v\u00fdkon<\/strong> nebo <strong>v\u00edce bateri\u00ed<\/strong>.<\/li>\n\n<li>Sledujte tak\u00e9 <strong>n\u00e1razov\u00e9\/spou\u0161t\u011bc\u00ed zat\u00ed\u017een\u00ed<\/strong>-motory a kompresory mohou kr\u00e1tkodob\u011b odeb\u00edrat mnohem v\u00edce, ne\u017e je jejich odb\u011br v ust\u00e1len\u00e9m stavu.<\/li><\/ul><h3 class=\"wp-block-heading\">Na chemii z\u00e1le\u017e\u00ed<\/h3><p>Pro aplikace TOU s \u010dast\u00fdm cyklov\u00e1n\u00edm, <strong>LiFePO\u2084 (LFP)<\/strong> chemie je \u010dasto atraktivn\u00ed, proto\u017ee je zn\u00e1m\u00e1 sv\u00fdm potenci\u00e1lem pro vysokou \u017eivotnost v cyklu a tepelnou stabilitou. Nejlep\u0161\u00ed volba v\u0161ak st\u00e1le z\u00e1vis\u00ed na celkov\u00e9 konstrukci syst\u00e9mu (z\u00e1ru\u010dn\u00ed podm\u00ednky, teplotn\u00ed prost\u0159ed\u00ed, limity m\u011bni\u010de a v\u00e1\u0161 profil cyklov\u00e1n\u00ed), nikoliv pouze na chemii.<\/p><h3 class=\"wp-block-heading\">Inteligentn\u00ed ovl\u00e1d\u00e1n\u00ed<\/h3><p>Hledejte <strong>\u010casov\u00e9 \u0159\u00edzen\u00ed<\/strong>, <strong>Re\u017eim \u00faspory n\u00e1klad\u016f<\/strong>nebo podobn\u00e9 funkce v aplikaci. Ty automatizuj\u00ed nab\u00edjen\u00ed\/vyb\u00edjen\u00ed na z\u00e1klad\u011b va\u0161eho tarifn\u00edho pl\u00e1nu, tak\u017ee nemus\u00edte syst\u00e9m hl\u00eddat. Nejlep\u0161\u00ed ovlada\u010de v\u00e1m tak\u00e9 umo\u017e\u0148uj\u00ed nastavit:<\/p><ul class=\"wp-block-list\"><li>Okna ve \u0161pi\u010dce a mimo \u0161pi\u010dku p\u0159izp\u016fsoben\u00e1 va\u0161emu tarifu<\/li>\n\n<li>Procento z\u00e1lo\u017en\u00ed rezervy<\/li>\n\n<li>Chov\u00e1n\u00ed p\u0159i exportu (pokud je povoleno\/\u017e\u00e1douc\u00ed)<\/li><\/ul><h2 class=\"wp-block-heading\"><strong>Budouc\u00ed trendy: VPP a dynamick\u00e9 ceny<\/strong><\/h2><p>TOU je \u010dasto jen za\u010d\u00e1tek.<\/p><ul class=\"wp-block-list\"><li><strong>Virtu\u00e1ln\u00ed elektr\u00e1rny (VPP):<\/strong> Energetick\u00e9 spole\u010dnosti nebo agreg\u00e1to\u0159i plat\u00ed majitel\u016fm bateri\u00ed za dod\u00e1vku energie b\u011bhem z\u00e1t\u011b\u017eov\u00fdch ud\u00e1lost\u00ed v s\u00edti (vlny veder, mimo\u0159\u00e1dn\u00e9 ud\u00e1losti, kritick\u00e9 \u0161pi\u010dky).<\/li>\n\n<li><strong>HEMS \u0159\u00edzen\u00fd um\u011blou inteligenc\u00ed:<\/strong> Syst\u00e9my \u0159\u00edzen\u00ed spot\u0159eby energie v dom\u00e1cnostech st\u00e1le \u010dast\u011bji zohled\u0148uj\u00ed p\u0159edpov\u011bdi po\u010das\u00ed, cenov\u00e9 sign\u00e1ly a vzorce pou\u017e\u00edv\u00e1n\u00ed a automaticky optimalizuj\u00ed nab\u00edjen\u00ed.<\/li><\/ul><p>Tyto trendy odm\u011b\u0148uj\u00ed <strong>flexibiln\u00ed, dob\u0159e dimenzovan\u00e9<\/strong> bateriov\u00e9 syst\u00e9my v pr\u016fb\u011bhu \u010dasu je\u0161t\u011b v\u00edce - zejm\u00e9na syst\u00e9my, kter\u00e9 mohou reagovat na ud\u00e1losti, ani\u017e by ob\u011btovaly pohodl\u00ed majitele domu.<\/p><h2 class=\"wp-block-heading\"><strong>Z\u00e1v\u011br<\/strong><\/h2><p>Sazby za \u010das spot\u0159eby mohou nep\u0159ipraven\u00fdm p\u0159ipadat jako trest, ale odm\u011b\u0148uj\u00ed dom\u00e1cnosti, kter\u00e9 dok\u00e1\u017eou p\u0159esouvat energii. Pokud vyu\u017e\u00edv\u00e1te slu\u017ebu TOU (zejm\u00e9na se sol\u00e1rn\u00ed energi\u00ed), spr\u00e1vn\u011b dimenzovan\u00e1 baterie nen\u00ed jen z\u00e1lo\u017en\u00edm zdrojem, ale i n\u00e1strojem pro kontrolu n\u00e1klad\u016f, kter\u00fd v\u00e1m pom\u016f\u017ee vyhnout se n\u00e1kup\u016fm ve \u0161pi\u010dce a sn\u00ed\u017eit riziko nest\u00e1l\u00fdch sazeb. Pravidlo pro dimenzov\u00e1n\u00ed je jednoduch\u00e9: p\u0159izp\u016fsobte <strong>kapacita (kWh)<\/strong> k tomu, co pou\u017e\u00edv\u00e1te ve \u0161pi\u010dce, zajist\u011bte dostatek <strong>v\u00fdkon (kW)<\/strong> pro skute\u010dn\u00e9 zat\u00ed\u017een\u00ed a nechat <strong>inteligentn\u00ed ovl\u00e1d\u00e1n\u00ed<\/strong> automatizovat pl\u00e1n. <strong>Zkontrolujte si sv\u016fj \u00fa\u010det je\u0161t\u011b dnes<\/strong>-pokud je va\u0161e cena ve \u0161pi\u010dce trvale vy\u0161\u0161\u00ed ne\u017e <strong>$0,40\/kWh<\/strong> (nebo je rozp\u011bt\u00ed velk\u00e9), <strong>prov\u00e9st rychl\u00fd v\u00fdpo\u010det velikosti nebo po\u017e\u00e1dat o revizi velikosti.<\/strong> p\u0159ed n\u00e1kupem, tak\u017ee z\u00edsk\u00e1te p\u0159edv\u00eddateln\u00e9 \u00faspory, ani\u017e byste platili za \"t\u00e9m\u011b\u0159 dostate\u010dn\u011b velk\u00fd\" syst\u00e9m.<\/p><h2 class=\"wp-block-heading\"><strong>\u010cASTO KLADEN\u00c9 DOTAZY<\/strong><\/h2><h3 class=\"wp-block-heading\"><strong>Pot\u0159ebuji sol\u00e1rn\u00ed energii, abych u\u0161et\u0159il\/a na sazb\u00e1ch TOU?<\/strong><\/h3><p>Ne, baterii m\u016f\u017eete nab\u00edjet ze s\u00edt\u011b mimo \u0161pi\u010dku a vyb\u00edjet ve \u0161pi\u010dce. Sol\u00e1rn\u00ed energie \u010dasto zvy\u0161uje plus (zejm\u00e9na v prost\u0159ed\u00ed s net-billingem), ale nen\u00ed to nutn\u00e9.<\/p><h3 class=\"wp-block-heading\"><strong>Jak\u00fd je nejlep\u0161\u00ed re\u017eim baterie pro TOU?<\/strong><\/h3><p>Pou\u017eijte \"\u010dasov\u00e9 \u0159\u00edzen\u00ed\", \"\u00fasporn\u00fd re\u017eim\" nebo ekvivalentn\u00ed funkci, kter\u00e1 p\u0159izp\u016fsob\u00ed nab\u00edjen\u00ed a vyb\u00edjen\u00ed tarifn\u00edmu pl\u00e1nu va\u0161\u00ed spole\u010dnosti - plus nastaven\u00ed rezervy, kter\u00e9 odpov\u00edd\u00e1 riziku v\u00fdpadku.<\/p><h3 class=\"wp-block-heading\"><strong>Plat\u00ed ceny TOU i o v\u00edkendech?<\/strong><\/h3><p>Obvykle ano, ale \u0161pi\u010dkov\u00e1 okna a ceny se \u010dasto li\u0161\u00ed podle poskytovatele a ro\u010dn\u00edho obdob\u00ed. N\u011bkter\u00e9 pl\u00e1ny maj\u00ed m\u00edrn\u011bj\u0161\u00ed v\u00edkendov\u00e9 \u0161pi\u010dky nebo zcela odli\u0161n\u00e9 definice. V\u017edy se pod\u00edvejte do sazebn\u00edku sv\u00e9 energetick\u00e9 spole\u010dnosti.<\/p><h3 class=\"wp-block-heading\"><strong>Mohu nab\u00edjet sv\u016fj elektromobil ve \u0161pi\u010dce?<\/strong><\/h3><p>M\u016f\u017eete, ale obvykle je to drah\u00e9. Chytr\u00e9 nab\u00edje\u010dky pro elektromobily (a mnoho elektromobil\u016f) dok\u00e1\u017e\u00ed napl\u00e1novat nab\u00edjen\u00ed mimo \u0161pi\u010dku, aby se minimalizovaly n\u00e1klady - \u010dasto se tak dos\u00e1hne v\u011bt\u0161iny \u00faspor, ani\u017e byste museli m\u011bnit sv\u00e9 zvyky.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vysv\u011btlen\u00ed doby spot\u0159eby (TOU): Jak dimenzovat dom\u00e1c\u00ed baterii, aby se sn\u00ed\u017eily n\u00e1klady ve \u0161pi\u010dce. Na konci dne - kdy\u017e zapnete chlazen\u00ed, uva\u0159\u00edte ve\u010de\u0159i a p\u0159\u00edpadn\u011b nabijete elektromobil - m\u016f\u017eete velkou \u010d\u00e1st sv\u00e9 spot\u0159eby soust\u0159edit do okna energetick\u00e9 \u0161pi\u010dky. V r\u00e1mci cenov\u00e9 politiky TOU (Time-of-Use) jsou tyto hodiny \u00fa\u010dtov\u00e1ny za vy\u0161\u0161\u00ed sazby ne\u017e...<\/p>","protected":false},"author":1,"featured_media":2052,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-5074","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/comments?post=5074"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5074\/revisions"}],"predecessor-version":[{"id":5075,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5074\/revisions\/5075"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/2052"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=5074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=5074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=5074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}