{"id":2317,"date":"2025-05-07T11:06:16","date_gmt":"2025-05-07T09:06:16","guid":{"rendered":"https:\/\/labs.100x100.net\/projects\/impulsosolar\/?p=2317"},"modified":"2026-03-24T23:00:34","modified_gmt":"2026-03-24T22:00:34","slug":"bateries-solars-talls-llum","status":"publish","type":"post","link":"https:\/\/labs.100x100.net\/projects\/impulsosolar\/bateries-solars-talls-llum\/","title":{"rendered":"Vols evitar els efectes d\u2019un tall el\u00e8ctric? Les bateries solars s\u00f3n la clau"},"content":{"rendered":"

El dilluns 28 d’abril es va viure una situaci\u00f3 particular a gran part de la pen\u00ednsula Ib\u00e8rica, posant en evid\u00e8ncia punts vulnerables i oportunitats en el sistema el\u00e8ctric de la regi\u00f3.<\/p>\n

Des d’Impulso Solar responem algunes de les teves consultes perqu\u00e8 coneguis millor les opcions que ofereix la fotovoltaica:<\/p>\n

<\/h2>\n

Tinc una instal\u00b7laci\u00f3 fotovoltaica sense bateries, per qu\u00e8 em vaig quedar sense subministrament el\u00e8ctric?<\/strong><\/h2>\n

El Reglament Electrot\u00e8cnic de Baixa Tensi\u00f3 (REBT) i la norma UNE 217001 exigeixen la desconnexi\u00f3 del generador en cas d’abs\u00e8ncia de subministrament per part de la xarxa. Per motius de seguretat, els sistemes connectats a la xarxa es desconnecten en detectar una caiguda de subministrament. Les instal\u00b7lacions que inclouen bateries amb back-up seran les \u00faniques que poden continuar funcionant en aquestes condicions.<\/p>\n

Com \u00e9s possible mantenir el subministrament el\u00e8ctric durant una apagada?<\/strong><\/h2>\n

Existent solucions t\u00e8cniques que permeten continuar subministrant energia a determinades c\u00e0rregues cr\u00edtiques (com les neveres), tot i que la xarxa falli:<\/p>\n

\"\"<\/p>\n

Detecta la fallada de manera autom\u00e0tica i activa la funcionalitat a\u00efllada de la instal\u00b7laci\u00f3.<\/p>\n

Consum el\u00e8ctric des de bateries.<\/p>\n

En finalitzar l’incident, el sistema recupera el consum de la xarxa de manera autom\u00e0tica.<\/p>\n

 <\/p>\n

Puc afegir bateries i back-up a la meva instal\u00b7laci\u00f3 actual?<\/strong><\/h2>\n

S\u00ed. Sempre que disposis d’un inversor h\u00edbrid. Els inversors no h\u00edbrids no s\u00f3n compatibles amb aquesta tecnologia, aix\u00ed que la soluci\u00f3 inclouria la substituci\u00f3 de l’inversor actual per un h\u00edbrid que compleixi les teves necessitats.<\/p>\n

 <\/p>\n

La meva instal\u00b7laci\u00f3 compta amb bateries, puc afegir un equip de back-up? Quant temps tardaria a instal\u00b7lar-se?<\/strong><\/h2>\n

S\u00ed, es pot incloure. La instal\u00b7laci\u00f3 de l’equip en un sistema petit triga entre un i dos dies, depenent de les particularitats de la propietat i la pot\u00e8ncia.<\/p>\n

 <\/p>\n

Quant temps pot alimentar la casa meva una bateria solar durant una interrupci\u00f3 del subministrament?<\/strong><\/h2>\n

Dep\u00e8n de diversos factors, com el consum i la pot\u00e8ncia instal\u00b7lada. Per exemple, una bateria de 5kWh pot mantenir llums, electrodom\u00e8stics essencials i internet durant diverses hores.<\/p>\n

 <\/p>\n

\u00c9s rendible instal\u00b7lar bateries?<\/strong><\/h2>\n

La instal\u00b7laci\u00f3 de bateries, tant a escala residencial com industrial, pot ser altament rendible depenent del context i les necessitats espec\u00edfiques. Les bateries ofereixen una s\u00e8rie de beneficis econ\u00f2mics, entre els quals destaquen:<\/p>\n

    \n
  • Estabilitat del cost de l’energia<\/strong>: En emmagatzemar energia quan els preus s\u00f3n baixos i utilitzar-la quan els costos s\u00f3n m\u00e9s alts, les bateries poden ajudar a controlar i reduir la factura d’electricitat.<\/li>\n
  • Sem\u00ed independ\u00e8ncia de la xarxa el\u00e8ctrica<\/strong>: Especialment en zones on les interrupcions del subministrament s\u00f3n freq\u00fcents, les bateries permeten una major autonomia, el que tamb\u00e9 pot millorar la fiabilitat del subministrament energ\u00e8tic.<\/li>\n
  • Optimitzaci\u00f3 de l’autoconsum<\/strong>: Per a instal\u00b7lacions fotovoltaiques, les bateries maximitzen l’\u00fas de l’energia generada, reduint la depend\u00e8ncia de la xarxa i millorant l’efici\u00e8ncia.<\/li>\n<\/ul>\n

    \u00c9s important avaluar la inversi\u00f3 inicial enfront de l’estalvi a llarg termini, ja que la rendibilitat dependr\u00e0 de factors com el cost de la bateria, el preu de l’electricitat i el perfil de consum energ\u00e8tic.<\/p>\n

     <\/p>\n

    Quant costa una instal\u00b7laci\u00f3 amb bateries i back-up enfront d’una sense bateria?<\/strong><\/h2>\n
      \n
    • Cost d’instal\u00b7laci\u00f3 amb i sense bateries<\/strong>:<\/li>\n<\/ul>\n

      Una instal\u00b7laci\u00f3 amb bateries pot costar entre un 30% i un 50% m\u00e9s que una instal\u00b7laci\u00f3 est\u00e0ndard sense emmagatzematge. Aquest increment en el preu es deu principalment al cost addicional de les bateries i els sistemes de control de c\u00e0rrega.<\/p>\n

        \n
      • Retorn d’inversi\u00f3<\/strong>:<\/li>\n<\/ul>\n

        Tot i que la inversi\u00f3 inicial \u00e9s m\u00e9s alta, el retorn d’inversi\u00f3 (ROI) en una instal\u00b7laci\u00f3 amb bateries dep\u00e8n de diversos factors, com el preu de l’electricitat, l’autoconsum i l’\u00fas de l’energia emmagatzemada. El ROI estimat sol ser una mica m\u00e9s baix en comparaci\u00f3 amb les instal\u00b7lacions sense bateries a causa del cost addicional, per\u00f2 els avantatges a llarg termini en termes d’independ\u00e8ncia energ\u00e8tica, estabilitat dels costos i fiabilitat del subministrament s\u00f3n molt valuosos.<\/p>\n

         <\/p>\n

        Val la pena instal\u00b7lar bateries i back-up energ\u00e8tic a casa meva o empresa?<\/strong><\/h2>\n

        Tot i que el cost inicial \u00e9s m\u00e9s alt, la inversi\u00f3 en un sistema amb bateries pot oferir grans beneficis a llarg termini, especialment en termes d’autonomia, fiabilitat i estabilitat dels costos energ\u00e8tics.<\/p>\n

         <\/p>\n

        Puc monitorar el sistema de generaci\u00f3 fotovoltaica en temps real durant apagades?<\/strong><\/h2>\n

        S\u00ed, molts sistemes permeten l’acc\u00e9s per l’aplicaci\u00f3 durant els talls. \u00c9s imprescindible per a aquest monitoratge que el router estigui connectat a l’energia del back-up.<\/p>\n

         <\/p>\n

         <\/p>\n","protected":false},"excerpt":{"rendered":"

        El dilluns 28 d’abril es va viure una situaci\u00f3 particular a gran part de la pen\u00ednsula Ib\u00e8rica, posant en evid\u00e8ncia punts vulnerables i oportunitats en el sistema el\u00e8ctric de la regi\u00f3. Des d’Impulso Solar responem algunes de les teves consultes perqu\u00e8 coneguis millor les opcions que ofereix la fotovoltaica: Tinc una instal\u00b7laci\u00f3 fotovoltaica sense bateries, […]<\/p>\n","protected":false},"author":1,"featured_media":2318,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"class_list":["post-2317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divulgacio"],"acf":[],"yoast_head":"\nVols evitar els efectes d\u2019un tall el\u00e8ctric? 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