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Ze worden vandaag niet meer op nieuwe woningen geplaatst: elke installateur werkt intussen met zwarte monokristallijne panelen op basis van TOPCon. Kiest u nu panelen, dan is poly gewoon geen optie meer, en dat is maar goed ook.",{"type":504,"value":507},"\n\n",{"type":494,"tag":499,"attrs":509,"children":510},{},[511],{"type":504,"value":512},"Toch blijft deze pagina om twee redenen nuttig. U herkent misschien de blauwe panelen op een dak en vraagt zich af wat ze precies zijn. Of u heeft er zelf nog liggen en wil bijplaatsen. Voor dat laatste zit er een addertje onder het gras, daar komen we onderaan op terug.",{"type":504,"value":507},{"type":494,"tag":515,"attrs":516,"children":518},"solar-panel-calculator",{"mode":517},"inContentWidget",[],{"type":504,"value":507},{"type":494,"tag":521,"attrs":522,"children":525},"h2",{"data-toc":523,"id":524},"Wat is het","wat",[526],{"type":504,"value":527},"Wat zijn polykristallijne zonnepanelen?",{"type":504,"value":507},{"type":494,"tag":499,"attrs":530,"children":531},{},[532],{"type":504,"value":533},"Polykristallijne (of multikristallijne) zonnepanelen zijn panelen waarvan elke zonnecel uit meerdere silicium-kristallen bestaat. U herkent ze aan de diepblauwe, licht gespikkelde kleur en de perfect vierkante cellen.",{"type":504,"value":507},{"type":494,"tag":499,"attrs":536,"children":537},{},[538],{"type":504,"value":539},"Bij de productie werden brokken silicium samengesmolten tot een blok, afgekoeld en in dunne plakjes gezaagd. Omdat dat blok uit talloze kristallen bestond, konden de elektronen minder vrij bewegen en lag het rendement lager. Die veelkristallige structuur zorgt samen met de anti-reflectiecoating ook voor de typische blauwe glans. Bij monokristallijne cellen bestaat elke cel uit een enkel kristal: vandaar de egale, zwarte kleur en het hogere rendement.",{"type":504,"value":507},{"type":494,"tag":499,"attrs":542,"children":543},{},[544],{"type":504,"value":545},"De eerste polykristallijne panelen rolden in 1982 bij Kyocera van de band. Twee decennia lang waren ze het werkpaard van de sector, vooral op grote daken waar oppervlakte er niet toe deed. Voor woningen zijn ze intussen volledig voorbijgestreefd.",{"type":504,"value":507},{"type":494,"tag":521,"attrs":548,"children":551},{"data-toc":549,"id":550},"Waarom verdwenen","rendement",[552],{"type":504,"value":553},"Waarom worden ze niet meer verkocht?",{"type":504,"value":507},{"type":494,"tag":499,"attrs":556,"children":557},{},[558],{"type":504,"value":559},"Kort gezegd: het rendement ligt te laag. Blauwe polykristallijne panelen haalden doorgaans 14 tot 16 procent, terwijl moderne monokristallijne TOPCon-panelen 21 tot ruim 24 procent halen. Op eenzelfde dak levert dat een pak meer stroom op.",{"type":504,"value":507},{"type":494,"tag":499,"attrs":562,"children":563},{},[564],{"type":504,"value":565},"Poly had lang een troef: het eenvoudiger productieproces maakte de panelen goedkoper. Maar toen de Chinese schaalproductie de prijs van monokristallijn silicium onderuithaalde, en de celtechniek van PERC naar n-type TOPCon evolueerde, verdween dat prijsvoordeel. Wat overbleef was een blauw paneel dat minder opbracht, meer dakoppervlak vroeg en er voor de meeste mensen ook nog eens minder mooi uitzag. De keuze was snel gemaakt.",{"type":504,"value":507},{"type":494,"tag":568,"attrs":569,"children":570},"table",{"class":568},[571,573,595,596,723],{"type":504,"value":572},"\n\t",{"type":494,"tag":574,"attrs":575,"children":576},"thead",{},[577,579,594],{"type":504,"value":578},"\n\t\t",{"type":494,"tag":580,"attrs":581,"children":582},"tr",{},[583,585,593],{"type":504,"value":584},"\n\t\t\t",{"type":494,"tag":586,"attrs":587,"children":590},"th",{"class":588,"colspan":589},"text-center","3",[591],{"type":504,"value":592},"Blauwe poly van toen versus een modern paneel",{"type":504,"value":578},{"type":504,"value":572},{"type":504,"value":572},{"type":494,"tag":597,"attrs":598,"children":599},"tbody",{},[600,601,631,632,653,654,676,677,699,700,722],{"type":504,"value":578},{"type":494,"tag":580,"attrs":602,"children":603},{},[604,605,611,612,621,622,630],{"type":504,"value":584},{"type":494,"tag":606,"attrs":607,"children":608},"td",{},[609],{"type":504,"value":610}," ",{"type":504,"value":584},{"type":494,"tag":606,"attrs":613,"children":614},{},[615],{"type":494,"tag":616,"attrs":617,"children":618},"strong",{},[619],{"type":504,"value":620},"Polykristallijn (blauw, verouderd)",{"type":504,"value":584},{"type":494,"tag":606,"attrs":623,"children":624},{},[625],{"type":494,"tag":616,"attrs":626,"children":627},{},[628],{"type":504,"value":629},"Monokristallijn TOPCon (nu)",{"type":504,"value":578},{"type":504,"value":578},{"type":494,"tag":580,"attrs":633,"children":634},{},[635,636,640,641,646,647,652],{"type":504,"value":584},{"type":494,"tag":606,"attrs":637,"children":638},{},[639],{"type":504,"value":97},{"type":504,"value":584},{"type":494,"tag":606,"attrs":642,"children":643},{},[644],{"type":504,"value":645},"14 tot 16%",{"type":504,"value":584},{"type":494,"tag":606,"attrs":648,"children":649},{},[650],{"type":504,"value":651},"21 tot 24%+",{"type":504,"value":578},{"type":504,"value":578},{"type":494,"tag":580,"attrs":655,"children":656},{},[657,658,663,664,669,670,675],{"type":504,"value":584},{"type":494,"tag":606,"attrs":659,"children":660},{},[661],{"type":504,"value":662},"Vermogen per paneel",{"type":504,"value":584},{"type":494,"tag":606,"attrs":665,"children":666},{},[667],{"type":504,"value":668},"250 tot 285 Wp",{"type":504,"value":584},{"type":494,"tag":606,"attrs":671,"children":672},{},[673],{"type":504,"value":674},"440 tot 500 Wp",{"type":504,"value":578},{"type":504,"value":578},{"type":494,"tag":580,"attrs":678,"children":679},{},[680,681,686,687,692,693,698],{"type":504,"value":584},{"type":494,"tag":606,"attrs":682,"children":683},{},[684],{"type":504,"value":685},"Kleur",{"type":504,"value":584},{"type":494,"tag":606,"attrs":688,"children":689},{},[690],{"type":504,"value":691},"blauw, gespikkeld",{"type":504,"value":584},{"type":494,"tag":606,"attrs":694,"children":695},{},[696],{"type":504,"value":697},"egaal zwart",{"type":504,"value":578},{"type":504,"value":578},{"type":494,"tag":580,"attrs":701,"children":702},{},[703,704,709,710,715,716,721],{"type":504,"value":584},{"type":494,"tag":606,"attrs":705,"children":706},{},[707],{"type":504,"value":708},"Nog te koop voor woningen",{"type":504,"value":584},{"type":494,"tag":606,"attrs":711,"children":712},{},[713],{"type":504,"value":714},"neen",{"type":504,"value":584},{"type":494,"tag":606,"attrs":717,"children":718},{},[719],{"type":504,"value":720},"ja, de marktstandaard",{"type":504,"value":578},{"type":504,"value":572},{"type":504,"value":724},"\n",{"type":504,"value":507},{"type":494,"tag":499,"attrs":727,"children":728},{},[729],{"type":504,"value":730},"Een blauw paneel van weleer leverde vaak 250 tot 285 Wp. Een modern paneel doet 440 tot 500 Wp op ongeveer dezelfde oppervlakte. U begrijpt waarom niemand nog terugkijkt.",{"type":504,"value":507},{"type":494,"tag":515,"attrs":733,"children":734},{"mode":517},[],{"type":504,"value":507},{"type":494,"tag":521,"attrs":737,"children":740},{"data-toc":738,"id":739},"Bijplaatsen","bijplaatsen",[741],{"type":504,"value":742},"Ik heb oude blauwe panelen: kan ik bijplaatsen?",{"type":504,"value":507},{"type":494,"tag":499,"attrs":745,"children":746},{},[747],{"type":504,"value":748},"Bijplaatsen kan, maar u mag nieuwe panelen niet zomaar in dezelfde reeks bij uw oude blauwe panelen hangen. Panelen in een string staan in serie geschakeld, en die reeks presteert naar het zwakste paneel. Hangt u een nieuw paneel van 460 Wp bij een oud exemplaar van 275 Wp op dezelfde omvormeringang, dan wordt het nieuwe paneel afgeremd tot het niveau van het oude. Zonde van uw geld.",{"type":504,"value":507},{"type":494,"tag":499,"attrs":751,"children":752},{},[753],{"type":504,"value":754},"Wilt u toch uitbreiden, dan zijn er nette oplossingen:",{"type":504,"value":507},{"type":494,"tag":757,"attrs":758,"children":760},"ul",{"class":759},"tick-list",[761,762,783,784,803,804,816],{"type":504,"value":572},{"type":494,"tag":763,"attrs":764,"children":765},"li",{},[766,768,773,775,781],{"type":504,"value":767},"Plaats de nieuwe panelen op een ",{"type":494,"tag":616,"attrs":769,"children":770},{},[771],{"type":504,"value":772},"aparte MPPT-ingang",{"type":504,"value":774}," of een tweede string van de ",{"type":494,"tag":776,"attrs":777,"children":778},"nuxt-link",{"to":242},[779],{"type":504,"value":780},"omvormer",{"type":504,"value":782},", los van de oude reeks.",{"type":504,"value":572},{"type":494,"tag":763,"attrs":785,"children":786},{},[787,789,794,796,801],{"type":504,"value":788},"Werk met ",{"type":494,"tag":776,"attrs":790,"children":791},{"to":248},[792],{"type":504,"value":793},"micro-omvormers",{"type":504,"value":795}," of ",{"type":494,"tag":776,"attrs":797,"children":798},{"to":251},[799],{"type":504,"value":800},"power optimizers",{"type":504,"value":802},", zodat elk paneel apart werkt en een verouderd paneel de rest niet meesleurt.",{"type":504,"value":572},{"type":494,"tag":763,"attrs":805,"children":806},{},[807,809,814],{"type":504,"value":808},"Voorzie desnoods een ",{"type":494,"tag":616,"attrs":810,"children":811},{},[812],{"type":504,"value":813},"tweede omvormer",{"type":504,"value":815}," voor de nieuwe panelen als de oude installatie al vol zit.",{"type":504,"value":724},{"type":504,"value":507},{"type":494,"tag":819,"attrs":820,"children":822},"good-to-know",{"icon":821},"bell",[823,824,832,833,840],{"type":504,"value":724},{"type":494,"tag":825,"attrs":826,"children":829},"h3",{"class":827,"slot":828},"mt-1","header",[830],{"type":504,"value":831},"Vaak is vervangen slimmer dan bijplaatsen",{"type":504,"value":724},{"type":494,"tag":499,"attrs":834,"children":837},{"class":835,"slot":836},"mb-0","content",[838],{"type":504,"value":839},"Zijn uw blauwe panelen 12 tot 15 jaar oud en zit uw omvormer tegen het einde van zijn leven, dan weegt het lapwerk om oud en nieuw te laten samenwerken zelden op tegen een volledige vernieuwing. Met moderne panelen haalt u op hetzelfde dak fors meer vermogen. Laat een installateur eerst rekenen voor u aan bijplaatsen begint.",{"type":504,"value":724},{"type":504,"value":507},{"type":494,"tag":521,"attrs":843,"children":846},{"data-toc":844,"id":845},"Alternatief","alternatief",[847],{"type":504,"value":848},"Beter nu: monokristallijne TOPCon-panelen",{"type":504,"value":507},{"type":494,"tag":499,"attrs":851,"children":852},{},[853,855,860],{"type":504,"value":854},"Wie vandaag panelen kiest, neemt monokristallijne panelen met TOPCon-cellen. Ze zijn zwart in plaats van blauw, halen een veel hoger rendement en zijn per opgewekte kWh intussen ook voordeliger dan poly ooit was. De volledige uitleg leest u op onze pagina over ",{"type":494,"tag":776,"attrs":856,"children":857},{"to":88},[858],{"type":504,"value":859},"monokristallijne zonnepanelen",{"type":504,"value":861},".",{"type":504,"value":507},{"type":494,"tag":499,"attrs":864,"children":865},{},[866,868,872,874,879,881,886],{"type":504,"value":867},"Twijfelt u tussen merken en modellen, kijk dan naar het ",{"type":494,"tag":776,"attrs":869,"children":870},{"to":98},[871],{"type":504,"value":550},{"type":504,"value":873},", de garantie en de reputatie van de fabrikant. Ons overzicht van de beste ",{"type":494,"tag":776,"attrs":875,"children":876},{"to":51},[877],{"type":504,"value":878},"zonnepanelen merken",{"type":504,"value":880}," zet de tier 1-spelers op een rij, en op de pagina met ",{"type":494,"tag":776,"attrs":882,"children":883},{"to":24},[884],{"type":504,"value":885},"actuele prijzen",{"type":504,"value":887}," ziet u wat een installatie vandaag kost.",{"type":504,"value":507},{"type":494,"tag":890,"attrs":891,"children":893},"compare-quote",{"horizontal":892},"",[],{"type":504,"value":507},{"type":494,"tag":521,"attrs":896,"children":899},{"data-toc":897,"id":898},"FAQ","faq",[900],{"type":504,"value":901},"Veelgestelde vragen",{"type":504,"value":507},{"type":494,"tag":825,"attrs":904,"children":905},{},[906],{"type":504,"value":907},"Zijn polykristallijne zonnepanelen slecht?",{"type":504,"value":724},{"type":494,"tag":499,"attrs":910,"children":911},{},[912],{"type":504,"value":913},"Niet slecht, wel verouderd. De blauwe panelen die tien tot vijftien jaar geleden geplaatst werden, doen nog steeds hun werk. Maar voor een nieuwe installatie zijn ze links en rechts voorbijgestoken door monokristallijne TOPCon-panelen, die op hetzelfde dak veel meer opbrengen.",{"type":504,"value":507},{"type":494,"tag":825,"attrs":916,"children":917},{},[918],{"type":504,"value":919},"Wat is het verschil tussen poly- en monokristallijne panelen?",{"type":504,"value":724},{"type":494,"tag":499,"attrs":922,"children":923},{},[924],{"type":504,"value":925},"Een polykristallijne cel bestaat uit meerdere silicium-kristallen, een monokristallijne cel uit een enkel kristal. Dat ene kristal laat de elektronen vrijer bewegen, wat het rendement hoger maakt. Poly is blauw en gespikkeld, mono is egaal zwart.",{"type":504,"value":507},{"type":494,"tag":825,"attrs":928,"children":929},{},[930],{"type":504,"value":931},"Hoe weet ik of ik poly- of monopanelen heb?",{"type":504,"value":724},{"type":494,"tag":499,"attrs":934,"children":935},{},[936],{"type":504,"value":937},"Kijk naar de kleur. Diepblauwe, licht gevlekte cellen zijn polykristallijn. Egale, dofzwarte cellen zijn monokristallijn. Twijfelt u, dan verraadt het merk en type op de sticker aan de achterkant van het paneel meestal de celtechnologie.",{"type":504,"value":507},{"type":494,"tag":825,"attrs":940,"children":941},{},[942],{"type":504,"value":943},"Kan ik nieuwe panelen bij mijn oude blauwe panelen zetten?",{"type":504,"value":724},{"type":494,"tag":499,"attrs":946,"children":947},{},[948],{"type":504,"value":949},"Alleen als u ze elektrisch gescheiden houdt. Nieuwe panelen op een aparte omvormeringang, een tweede string of met micro-omvormers zorgt ervoor dat de oude reeks de nieuwe niet afremt. Dezelfde string mengen doet u beter niet.",[],[],{"div":465,"p":953,"solar-panel-calculator":954,"h2":955,"table":465,"thead":465,"tr":479,"th":465,"tbody":465,"td":956,"strong":957,"ul":465,"li":958,"nuxt-link":959,"good-to-know":465,"h3":955,"compare-quote":465},17,2,5,15,4,3,7,true,[962,972,982,991],{"id":963,"name":964,"slug":965,"uri":106,"shortDescription":966,"readingTime":959,"image":967},105,"PERC Zonnepanelen","perc","Ooit stond PERC voor de nieuwste techniek, vandaag is het de uitgaande generatie. Bijna elk nieuw residentieel paneel in Vlaanderen is intussen n-type TOPCon, en dat is op zowat elk vlak een betere keuze.",{"x1":968,"x2":969,"webpX1":970,"webpX2":971},"https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F105.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F105@2x.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F105.webp","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F105@2x.webp",{"id":973,"name":86,"slug":974,"uri":88,"shortDescription":975,"readingTime":976,"image":977},73,"monokristallijne-zonnepanelen","Monokristallijne (zwarte) zonnepanelen zijn vandaag de norm: goed voor ruim negen op de tien installaties. We leggen uit hoe ze werken en welke celtechnologie, TOPCon, back-contact of HJT, bij uw dak past.",8,{"x1":978,"x2":979,"webpX1":980,"webpX2":981},"https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F73.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F73@2x.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F73.webp","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F73@2x.webp",{"id":983,"name":97,"slug":550,"uri":98,"shortDescription":984,"readingTime":985,"image":986},25,"Het rendement van zonnepanelen heeft drie betekenissen: paneelrendement in procent, opbrengst in kWh per kWp en financieel rendement. Zelfverbruik en injectietarief bepalen vandaag uw terugverdientijd.",11,{"x1":987,"x2":988,"webpX1":989,"webpX2":990},"https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F25.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F25@2x.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F25.webp","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F25@2x.webp",{"id":992,"name":23,"slug":993,"uri":24,"shortDescription":994,"readingTime":995,"image":996},24,"prijzen","Zonnepanelen kosten midden 2026 €0,85 tot €1,25 per wattpiek all-in. Een installatie van 4,5 kWp kost €3.800 tot €5.000 inclusief 6% btw. We tonen de richtprijzen per systeemgrootte en daktype.",12,{"x1":997,"x2":998,"webpX1":999,"webpX2":1000},"https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F24.png","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F24@2x.png","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F24.webp","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F24@2x.webp"]