[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.fidlatka.cz\/kdy-ma-vyznam-uvazovat-o-domaci-fotovoltaicke-elektrarne\/#Article","mainEntityOfPage":"https:\/\/www.fidlatka.cz\/kdy-ma-vyznam-uvazovat-o-domaci-fotovoltaicke-elektrarne\/","headline":"Kdy m\u00e1 v\u00fdznam uva\u017eovat o dom\u00e1c\u00ed fotovoltaick\u00e9 elektr\u00e1rn\u011b","name":"Kdy m\u00e1 v\u00fdznam uva\u017eovat o dom\u00e1c\u00ed fotovoltaick\u00e9 elektr\u00e1rn\u011b","description":"Vy\u0161\u0161\u00ed spot\u0159eba energie \u2013 o dom\u00e1c\u00ed fotovoltaick\u00e9 elektr\u00e1rn\u011b m\u00e1 v\u00fdznam uva\u017eovat pouze tehdy, je-li spot\u0159eba elekt\u0159iny ve va\u0161em odb\u011brn\u00e9m.","datePublished":"2024-08-06","dateModified":"2024-08-06","author":{"@type":"Person","@id":"https:\/\/www.fidlatka.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.fidlatka.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/bf8a2da9791e94b6eb5cec245ee5eeceecb651e79e829278e2c546441579397e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bf8a2da9791e94b6eb5cec245ee5eeceecb651e79e829278e2c546441579397e?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"fidlatka.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.fidlatka.cz\/wp-content\/uploads\/electricity-8329696_640_1.jpg","url":"https:\/\/www.fidlatka.cz\/wp-content\/uploads\/electricity-8329696_640_1.jpg","height":0,"width":0},"url":"https:\/\/www.fidlatka.cz\/kdy-ma-vyznam-uvazovat-o-domaci-fotovoltaicke-elektrarne\/","about":["Zbo\u017e\u00ed"],"wordCount":374,"articleBody":"    Vy\u0161\u0161\u00ed spot\u0159eba energie \u2013 o dom\u00e1c\u00ed fotovoltaick\u00e9 elektr\u00e1rn\u011b m\u00e1 v\u00fdznam uva\u017eovat pouze tehdy, je-li spot\u0159eba elekt\u0159iny ve va\u0161em odb\u011brn\u00e9m m\u00edst\u011b minim\u00e1ln\u011b 2500 kWh za rok, tedy pr\u016fm\u011brn\u011b od sedmi kilowatthodin na den. Toto je nap\u0159\u00edklad p\u0159\u00edpad \u010dty\u0159\u010dlenn\u00e9 rodiny, kter\u00e1 vyu\u017e\u00edv\u00e1 v\u00edce elektrick\u00fdch spot\u0159ebi\u010d\u016f s velk\u00fdm odb\u011brem (bojlery, elektrokotel, induk\u010dn\u00ed varn\u00e1 deska, pr\u016ftokov\u00e9 oh\u0159\u00edva\u010de vody, oh\u0159ev vody v baz\u00e9nu apod.) Anebo se to t\u00fdk\u00e1 dvougenera\u010dn\u00edho patrov\u00e9ho domu, kde v p\u0159\u00edzem\u00ed bydl\u00ed sta\u0159\u00ed rodi\u010de a v prvn\u00edm pat\u0159e jejich syn nebo dcera s rodinou. Fotovoltaika tedy nem\u00e1 praktick\u00fd v\u00fdznam pro jednotlivce, jeho\u017e denn\u00ed spot\u0159eba je sotva t\u0159i kilowatthodiny na den.  N\u00e1vratnost a \u017eivotnost za\u0159\u00edzen\u00ed \u2013 v sou\u010dasn\u00e9 dob\u011b se \u017eivotnost fotovoltaick\u00fdch panel\u016f odhaduje na 25 a v\u00edce let, ov\u0161em \u017eivotnost bateri\u00ed a st\u0159\u00edda\u010de je krat\u0161\u00ed. Nap\u0159\u00edklad co se t\u00fd\u010de st\u0159\u00edda\u010de, tam je \u017eivotnost tohoto za\u0159\u00edzen\u00ed velmi kol\u00edsav\u00e1, n\u011bkter\u00fd v\u00fdrobce garantuje deset let, jin\u00fd sotva dva roky a n\u011bkter\u00e9 st\u0159\u00edda\u010de vydr\u017e\u00ed pracovat i p\u0159es dvacet let. S t\u00edm v\u0161\u00edm je t\u0159eba kalkulovat a do propo\u010dtu zahrnout i n\u00e1vratnost z hlediska ceny elekt\u0159iny na trhu a spot\u0159eby energie, p\u0159i\u010dem\u017e obvykle n\u00e1vratnost vlo\u017een\u00fdch investic vych\u00e1z\u00ed na dobu mezi \u0161esti a deseti lety.  Ostrovn\u00ed syst\u00e9my \u2013 jin\u00e1 situace nast\u00e1v\u00e1 u ostrovn\u00ed fotovoltaiky, kde nen\u00ed rozhoduj\u00edc\u00ed cena ani n\u00e1vratnost za\u0159\u00edzen\u00ed, n\u00fdbr\u017e schopnost vyr\u00e1b\u011bt elekt\u0159inu zcela nez\u00e1visle na distribu\u010dn\u00ed s\u00edti. Je to nap\u0159\u00edklad p\u0159\u00edpad chaty v \u00fadol\u00ed nad Berounkou nebo v Doln\u00edm Pos\u00e1zav\u00ed, kde je \u0159ada chat od\u0159\u00edznuta od civilizace a sv\u00edt\u00ed se petrolejkou. D\u00edky fotovoltaice si tu pak m\u016f\u017eete dovolit provozovat b\u011b\u017enou dom\u00e1cnost, v z\u00e1vislosti na v\u00fdkonu za\u0159\u00edzen\u00ed v\u010detn\u011b bateri\u00ed. Fotovoltaiku lze tedy teoreticky namontovat kamkoli, kam dopadaj\u00ed slune\u010dn\u00ed paprsky, a kde nejsou panely zast\u00edn\u011bn\u00e9 stromy nebo jin\u00fdmi, nap\u0159\u00edklad sousedn\u00edmi objekty.                                                                                                                                                                                                                                                                                                                                                                                                  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