{"id":1388,"date":"2025-11-18T17:50:13","date_gmt":"2025-11-18T16:50:13","guid":{"rendered":"https:\/\/dyo.cat\/?p=1388"},"modified":"2025-11-26T17:25:10","modified_gmt":"2025-11-26T16:25:10","slug":"fred","status":"publish","type":"post","link":"https:\/\/dyo.cat\/ca\/fred\/","title":{"rendered":"Arriba el fred: comunitats energ\u00e8tiques"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-bottom-small:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_3_4 3_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.56%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.56%;--awb-width-medium:75%;--awb-spacing-right-medium:2.56%;--awb-spacing-left-medium:2.56%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>\u00c9s possible, en lloc de tenir cadascun una caldera o bomba de calor a casa, compartir infraestructura? La veritat \u00e9s que s\u00ed, tant a nivell comunitari com de barri, encara que aix\u00f2 \u00faltim dep\u00e9n dels ajuntaments.<\/p>\n<p>Moltes finques disposen de sistemes de calefacci\u00f3 i aigua calenta centrals, amb calderes al soterrani o m\u00e0quines amb bomba de calor al terrat. Comparat amb solucions de tipus 1\u00d71 \u2013un ve\u00ed, una m\u00e0quina\u2013, s\u00f3n una opci\u00f3 per estalviar energia en edificis: suposen un enorme augment d&#8217;efici\u00e8ncia i un notable estalvi en costos.<\/p>\n<p>El manteniment d&#8217;aquests sistemes \u00e9s compartit. Una mancomunitat de ve\u00efns constitu\u00efda per una dotzena de portals pot compartir tres grans jocs de m\u00e0quines de clima, de manera que sigui inviable el trencament de les tres alhora. El repte, \u00e9s clar, rau en la ubicaci\u00f3 de les m\u00e0quines.<\/p>\n<p>Aquest tipus de sistemes comunitaris, combinats amb la possibilitat de mancomunar teulades, pot fer que comunitats senceres de ve\u00efns es tornin independents de la xarxa de gas o de la combusti\u00f3 urbana. A les mans de les comunitats de ve\u00efns hi ha la clau de la descarbonitzaci\u00f3 local, combinant energia solar i bombes de calor.<\/p>\n<p><strong>Fotovoltaica compartida<\/strong><br \/>\nSi es comparteix teulada, tamb\u00e9 \u00e9s possible compartir generaci\u00f3 d&#8217;energia solar amb fotovoltaica \u2013o aigua calenta amb plaques termosolars\u2013. Mancomunar la teulada aporta grans avantatges per estalviar energia i diners als edificis perqu\u00e8 els horaris dels ve\u00efns es combinen de manera que l&#8217;amortitzaci\u00f3 passa abans.<\/p>\n<p>S&#8217;ajusta molt millor el factor de simultane\u00eftat, ja que \u00e9s m\u00e9s probable que hi hagi moments en qu\u00e8 alguns ve\u00efns no consumeixin energia i d&#8217;altres s\u00ed.<\/p>\n<p><strong>Comunitat energ\u00e8tica<\/strong><br \/>\nTamb\u00e9 \u00e9s possible formar una comunitat energ\u00e8tica que no hagi d&#8217;estar necess\u00e0riament situada a la comunitat de ve\u00efns. Poden ser instal\u00b7lacions de generaci\u00f3 d&#8217;energies renovables (com plantes fotovoltaiques o de generaci\u00f3 de biog\u00e0s a partir de residus urbans) de les quals s&#8217;assoleixen diversos habitatges i empreses d&#8217;un municipi.<\/p>\n<p>\u00c9s una forma virtual de compartir teulada, molt similar a la de mancomunar-ho, encara que una mica m\u00e9s complexa d&#8217;executar.<\/p>\n<p>A Espanya ja hi ha dotzenes de comunitats energ\u00e8tiques que abasten m\u00e9s de 20.000 llars i comer\u00e7os. En total, s&#8217;espera que evitin l&#8217;emissi\u00f3 de m\u00e9s de 81.800 tones de CO\u2082 a l&#8217;any.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1386,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categorizar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Arriba el fred: comunitats energ\u00e8tiques - DYO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dyo.cat\/ca\/fred\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arriba el fred: comunitats energ\u00e8tiques - 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