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Het zegt op zich weinig over uw opbrengst in kWh of over uw factuur. Twee daken met exact dezelfde panelen kunnen een heel andere terugverdientijd hebben, puur door ligging en verbruiksgedrag.",{"type":504,"value":529},{"type":494,"tag":543,"attrs":691,"children":693},{"data-toc":692,"id":518},"Opbrengst per kWp",[694],{"type":504,"value":695},"Hoeveel brengt 1 kWp op in België?",{"type":504,"value":529},{"type":494,"tag":499,"attrs":698,"children":699},{},[700,702,707],{"type":504,"value":701},"In Vlaanderen produceert 1 kWp goed geplaatste zonnepanelen ongeveer ",{"type":494,"tag":507,"attrs":703,"children":704},{},[705],{"type":504,"value":706},"850 tot 1.000 kWh per jaar",{"type":504,"value":708},". Voor een dak dat perfect op het zuiden ligt met een helling rond 35°, rekent de Europese rekentool PVGIS zelfs iets meer dan 1.000 kWh\u002FkWp uit; door schaduw, oriëntatie en verliezen in omvormer en kabels haalt de gemiddelde installatie in de praktijk eerder 900 à 950 kWh\u002FkWp.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":711,"children":712},{},[713],{"type":504,"value":714},"De opbrengst schaalt vrij recht mee met het vermogen. Reken met ongeveer 950 kWh per kWp voor een normaal dak:",{"type":504,"value":529},{"type":494,"tag":559,"attrs":717,"children":718},{"class":559},[719,720,746,747,843],{"type":504,"value":563},{"type":494,"tag":565,"attrs":721,"children":722},{},[723,724,745],{"type":504,"value":569},{"type":494,"tag":571,"attrs":725,"children":726},{},[727,728,732,733,738,739,744],{"type":504,"value":575},{"type":494,"tag":577,"attrs":729,"children":730},{},[731],{"type":504,"value":178},{"type":504,"value":575},{"type":494,"tag":577,"attrs":734,"children":735},{},[736],{"type":504,"value":737},"Vermogen",{"type":504,"value":575},{"type":494,"tag":577,"attrs":740,"children":741},{},[742],{"type":504,"value":743},"Opbrengst per jaar",{"type":504,"value":569},{"type":504,"value":563},{"type":504,"value":563},{"type":494,"tag":598,"attrs":748,"children":749},{},[750,751,773,774,796,797,819,820,842],{"type":504,"value":569},{"type":494,"tag":571,"attrs":752,"children":753},{},[754,755,760,761,766,767,772],{"type":504,"value":575},{"type":494,"tag":607,"attrs":756,"children":757},{},[758],{"type":504,"value":759},"± 8 panelen",{"type":504,"value":575},{"type":494,"tag":607,"attrs":762,"children":763},{},[764],{"type":504,"value":765},"3,6 kWp",{"type":504,"value":575},{"type":494,"tag":607,"attrs":768,"children":769},{},[770],{"type":504,"value":771},"± 3.400 kWh",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":775,"children":776},{},[777,778,783,784,789,790,795],{"type":504,"value":575},{"type":494,"tag":607,"attrs":779,"children":780},{},[781],{"type":504,"value":782},"± 10 panelen",{"type":504,"value":575},{"type":494,"tag":607,"attrs":785,"children":786},{},[787],{"type":504,"value":788},"4,5 kWp",{"type":504,"value":575},{"type":494,"tag":607,"attrs":791,"children":792},{},[793],{"type":504,"value":794},"± 4.300 kWh",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":798,"children":799},{},[800,801,806,807,812,813,818],{"type":504,"value":575},{"type":494,"tag":607,"attrs":802,"children":803},{},[804],{"type":504,"value":805},"± 14 panelen",{"type":504,"value":575},{"type":494,"tag":607,"attrs":808,"children":809},{},[810],{"type":504,"value":811},"6,3 kWp",{"type":504,"value":575},{"type":494,"tag":607,"attrs":814,"children":815},{},[816],{"type":504,"value":817},"± 6.000 kWh",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":821,"children":822},{},[823,824,829,830,835,836,841],{"type":504,"value":575},{"type":494,"tag":607,"attrs":825,"children":826},{},[827],{"type":504,"value":828},"± 20 panelen",{"type":504,"value":575},{"type":494,"tag":607,"attrs":831,"children":832},{},[833],{"type":504,"value":834},"9,0 kWp",{"type":504,"value":575},{"type":494,"tag":607,"attrs":837,"children":838},{},[839],{"type":504,"value":840},"± 8.550 kWh",{"type":504,"value":569},{"type":504,"value":563},{"type":504,"value":682},{"type":504,"value":529},{"type":494,"tag":499,"attrs":846,"children":847},{},[848,850,856,858,863,865,870],{"type":504,"value":849},"Een vuistregel: stem uw vermogen af op uw verbruik. Een gezin dat 4.000 kWh per jaar verbruikt, zit goed met een installatie van 4 à 4,5 kWp. Hoeveel panelen dat concreet zijn, rekent u uit op ",{"type":494,"tag":851,"attrs":852,"children":853},"nuxt-link",{"to":195},[854],{"type":504,"value":855},"hoeveel zonnepanelen heb ik nodig",{"type":504,"value":857},". Verbruikt u meer, bijvoorbeeld door een ",{"type":494,"tag":851,"attrs":859,"children":860},{"to":206},[861],{"type":504,"value":862},"warmtepomp",{"type":504,"value":864}," of een elektrische wagen, dan loont een groter systeem, ook omdat de prijs per kWp daalt naarmate u meer panelen legt. Bekijk de ",{"type":494,"tag":851,"attrs":866,"children":867},{"to":24},[868],{"type":504,"value":869},"actuele prijzen per kWp",{"type":504,"value":871}," voor een raming die bij uw dak past.",{"type":504,"value":529},{"type":494,"tag":543,"attrs":874,"children":876},{"data-toc":875,"id":511},"Paneelrendement %",[877],{"type":504,"value":878},"Paneelrendement: hoeveel procent haalt een modern paneel?",{"type":504,"value":529},{"type":494,"tag":499,"attrs":881,"children":882},{},[883,885,890],{"type":504,"value":884},"Een modern zonnepaneel zet vandaag ",{"type":494,"tag":507,"attrs":886,"children":887},{},[888],{"type":504,"value":889},"21 tot 23%",{"type":504,"value":891}," van het invallende zonlicht om in stroom. Dat is fors meer dan de 14 à 16% van een tiental jaar geleden. De standaard op de markt is nu het n-type TOPCon-paneel; de duurdere back-contactpanelen (zoals Aiko en LONGi) halen tot 24 à 25%.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":894,"children":895},{},[896,898,903],{"type":504,"value":897},"Voor een gemiddeld dak met voldoende plaats is dat verschil in de praktijk klein. Een paneel van 23% levert wat meer vermogen per vierkante meter, maar op uw factuur weegt dat lichter dan de ",{"type":494,"tag":851,"attrs":899,"children":900},{"to":242},[901],{"type":504,"value":902},"omvormer",{"type":504,"value":904},", de ligging en uw zelfverbruik. Hogere efficiëntie loont vooral wanneer uw dak klein is en u toch veel vermogen wilt.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":907,"children":908},{},[909,911,916,918,924,926,931],{"type":504,"value":910},"Panelen verliezen ook langzaam vermogen: reken op ongeveer ",{"type":494,"tag":507,"attrs":912,"children":913},{},[914],{"type":504,"value":915},"0,4% per jaar",{"type":504,"value":917},". Na 25 jaar levert een goed paneel dus nog altijd zo'n 87 à 90% van zijn oorspronkelijke vermogen, vandaar de gebruikelijke 30-jarige productiegarantie. Een detail dat veel mensen verrast: panelen presteren ",{"type":494,"tag":919,"attrs":920,"children":921},"em",{},[922],{"type":504,"value":923},"beter",{"type":504,"value":925}," op een koude, zonnige winterdag dan bij grote hitte, omdat warmte de cellen minder efficiënt maakt. Meer daarover leest u bij ",{"type":494,"tag":851,"attrs":927,"children":928},{"to":70},[929],{"type":504,"value":930},"rendement bij warme temperaturen",{"type":504,"value":932},".",{"type":504,"value":529},{"type":494,"tag":537,"attrs":935,"children":936},{"mode":539},[],{"type":504,"value":529},{"type":494,"tag":543,"attrs":939,"children":942},{"data-toc":940,"id":941},"Zelfverbruik is koning","zelfverbruik",[943],{"type":504,"value":944},"Het echte rendement zit in zelfverbruik",{"type":504,"value":529},{"type":494,"tag":499,"attrs":947,"children":948},{},[949,951,955,957,962],{"type":504,"value":950},"Sinds de digitale meter is ",{"type":494,"tag":507,"attrs":952,"children":953},{},[954],{"type":504,"value":941},{"type":504,"value":956}," veruit de belangrijkste hefboom voor uw rendement. Wie een digitale meter heeft (sinds begin 2025 verplicht voor prosumenten) draait de teller niet meer terug. Stroom die u opwekt en meteen zelf gebruikt, bespaart u de volle aankoopprijs, maar stroom die u injecteert levert u alleen het ",{"type":494,"tag":851,"attrs":958,"children":959},{"to":164},[960],{"type":504,"value":961},"injectietarief",{"type":504,"value":963}," op. En dat verschil is groot.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":966,"children":967},{},[968,970,975,977,982],{"type":504,"value":969},"Een zelf verbruikte kWh is midden 2026 al snel ",{"type":494,"tag":507,"attrs":971,"children":972},{},[973],{"type":504,"value":974},"0,30 à 0,35 euro",{"type":504,"value":976}," waard (de prijs die u anders aan het net zou betalen, alles inbegrepen). Voor een geïnjecteerde kWh krijgt u gemiddeld maar ",{"type":494,"tag":507,"attrs":978,"children":979},{},[980],{"type":504,"value":981},"ongeveer 4,4 cent",{"type":504,"value":983},". Het marktgemiddelde van de injectievergoedingen ligt rond 4,4 c€\u002FkWh, met een grote spreiding tussen contracten. Injectie is dus zeven tot acht keer minder waard dan zelfverbruik.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":986,"children":987},{},[988],{"type":504,"value":989},"In volgorde van financieel rendement, van goed naar minder goed:",{"type":504,"value":529},{"type":494,"tag":992,"attrs":993,"children":995},"ul",{"class":994},"tick-list",[996,997,1008,1009,1019,1020,1030],{"type":504,"value":563},{"type":494,"tag":998,"attrs":999,"children":1000},"li",{},[1001,1006],{"type":494,"tag":507,"attrs":1002,"children":1003},{},[1004],{"type":504,"value":1005},"Zelfverbruik",{"type":504,"value":1007},": u vermijdt de volledige netprijs (± 0,30 – 0,35 €\u002FkWh). Het meeste waard.",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1010,"children":1011},{},[1012,1017],{"type":494,"tag":507,"attrs":1013,"children":1014},{},[1015],{"type":504,"value":1016},"Opslag in een thuisbatterij",{"type":504,"value":1018},": u schuift overschot door naar de avond en verbruikt het alsnog zelf, in plaats van het goedkoop te injecteren.",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1021,"children":1022},{},[1023,1028],{"type":494,"tag":507,"attrs":1024,"children":1025},{},[1026],{"type":504,"value":1027},"Injectie",{"type":504,"value":1029},": wat overblijft, gaat naar het net tegen ± 4,4 cent gemiddeld. Beter dan niets, maar het minst waard.",{"type":504,"value":682},{"type":504,"value":529},{"type":494,"tag":499,"attrs":1033,"children":1034},{},[1035,1037,1042],{"type":504,"value":1036},"Zonder batterij verbruikt een gemiddeld gezin ",{"type":494,"tag":507,"attrs":1038,"children":1039},{},[1040],{"type":504,"value":1041},"30 tot 40%",{"type":504,"value":1043}," van zijn productie meteen zelf. Wie zijn verbruik verschuift naar de dag, met de vaatwas en wasmachine overdag en de warmwaterboiler of een elektrische wagen die op de middag oplaadt, tilt dat percentage omhoog en verkort zo rechtstreeks de terugverdientijd. Voor een bedrijf of zelfstandige met verbruik overdag ligt dat zelfverbruik vaak nog hoger, wat het rendement daar sterker maakt.",{"type":504,"value":529},{"type":494,"tag":543,"attrs":1046,"children":1048},{"data-toc":27,"id":1047},"terugverdientijd",[1049],{"type":504,"value":1050},"Terugverdientijd: een concrete berekening",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1053,"children":1054},{},[1055],{"type":504,"value":1056},"De terugverdientijd hangt van drie dingen af: wat u betaalt, hoeveel u opwekt, en welk deel u zelf verbruikt. Geen enkele installateur kan u een gegarandeerd getal beloven, want uw verbruiksgedrag bepaalt de helft. Geen nood, u kunt het zelf narekenen. We rekenen hieronder voor een eigen woning; verhuurt u het pand of woont u in een appartement met mede-eigendom (VME), dan verschuift vooral de vraag wie de opgewekte stroom verbruikt, en daarmee ook uw zelfverbruik.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1059,"children":1060},{},[1061,1066],{"type":494,"tag":507,"attrs":1062,"children":1063},{},[1064],{"type":504,"value":1065},"Formule:",{"type":504,"value":1067}," jaarlijkse besparing = (zelf verbruikte kWh × elektriciteitsprijs) + (geïnjecteerde kWh × injectietarief). En dan: terugverdientijd = investering \u002F jaarlijkse besparing.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1070,"children":1071},{},[1072,1074,1079],{"type":504,"value":1073},"Een uitgewerkt voorbeeld voor een courante installatie van 4,5 kWp (± 10 panelen) op een woning van 10 jaar of ouder, all-in geplaatst en gekeurd aan ",{"type":494,"tag":851,"attrs":1075,"children":1076},{"to":122},[1077],{"type":504,"value":1078},"6% btw",{"type":504,"value":1080},":",{"type":504,"value":529},{"type":494,"tag":992,"attrs":1083,"children":1085},{"class":1084},"normal-list",[1086,1087,1097,1098,1108,1109,1119,1120,1130,1131,1141],{"type":504,"value":563},{"type":494,"tag":998,"attrs":1088,"children":1089},{},[1090,1092],{"type":504,"value":1091},"Investering: ",{"type":494,"tag":507,"attrs":1093,"children":1094},{},[1095],{"type":504,"value":1096},"± 4.400 euro",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1099,"children":1100},{},[1101,1103],{"type":504,"value":1102},"Opbrengst: 4,5 kWp × 950 kWh\u002FkWp = ",{"type":494,"tag":507,"attrs":1104,"children":1105},{},[1106],{"type":504,"value":1107},"± 4.275 kWh\u002Fjaar",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1110,"children":1111},{},[1112,1114],{"type":504,"value":1113},"Zelfverbruik 35%: ± 1.500 kWh × 0,35 €\u002FkWh = ",{"type":494,"tag":507,"attrs":1115,"children":1116},{},[1117],{"type":504,"value":1118},"± 525 euro",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1121,"children":1122},{},[1123,1125],{"type":504,"value":1124},"Injectie 65%: ± 2.775 kWh × 0,044 €\u002FkWh = ",{"type":494,"tag":507,"attrs":1126,"children":1127},{},[1128],{"type":504,"value":1129},"± 122 euro",{"type":504,"value":563},{"type":494,"tag":998,"attrs":1132,"children":1133},{},[1134,1136],{"type":504,"value":1135},"Jaarlijkse besparing samen: ",{"type":494,"tag":507,"attrs":1137,"children":1138},{},[1139],{"type":504,"value":1140},"± 647 euro",{"type":504,"value":682},{"type":504,"value":529},{"type":494,"tag":499,"attrs":1144,"children":1145},{},[1146,1148,1153,1155,1160],{"type":504,"value":1147},"Berekening: 4.400 euro \u002F 647 euro ≈ ",{"type":494,"tag":507,"attrs":1149,"children":1150},{},[1151],{"type":504,"value":1152},"6,8 jaar",{"type":504,"value":1154},", afgerond bijna 7 jaar. We rekenen hier met 0,35 euro per kWh, de bovenkant van de huidige all-in netprijs; ligt uw contract lager, dan schuift de terugverdientijd wat op. Verhoog uw zelfverbruik naar 45% door bewuster overdag te verbruiken, dan stijgt de besparing richting 700 euro en zakt de terugverdientijd naar 5 à 6 jaar. Daar zit dus uw echte winst, niet in een half procent extra paneelrendement. Twijfelt u of zonnepanelen die terugverdientijd vandaag nog waard maken, dan weegt ",{"type":494,"tag":851,"attrs":1156,"children":1157},{"to":74},[1158],{"type":504,"value":1159},"zijn zonnepanelen nog interessant",{"type":504,"value":1161}," alle voor- en nadelen af.",{"type":504,"value":529},{"type":494,"tag":537,"attrs":1164,"children":1165},{"mode":539},[],{"type":504,"value":529},{"type":494,"tag":543,"attrs":1168,"children":1171},{"data-toc":1169,"id":1170},"Batterij en tarieven","batterij-tarieven",[1172],{"type":504,"value":1173},"Capaciteitstarief, batterij en dynamisch contract",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1176,"children":1177},{},[1178,1180,1188],{"type":504,"value":1179},"Twee zaken beïnvloeden uw rendement los van de panelen zelf. Het ",{"type":494,"tag":851,"attrs":1181,"children":1182},{"to":161},[1183],{"type":494,"tag":507,"attrs":1184,"children":1185},{},[1186],{"type":504,"value":1187},"capaciteitstarief",{"type":504,"value":1189}," rekent sinds 2023 een deel van uw netfactuur af op uw maandpiek (het hoogste kwartiervermogen dat u van het net afneemt), met een minimum van 2,5 kW en in 2026 zo'n 53 euro (excl. btw) per kW per jaar. Zonnepanelen verlagen die piek niet vanzelf, want ze produceren niet 's avonds bij hoog verbruik.",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1192,"children":1193},{},[1194,1196,1201,1203,1208,1210,1215],{"type":504,"value":1195},"Een ",{"type":494,"tag":851,"attrs":1197,"children":1198},{"to":158},[1199],{"type":504,"value":1200},"thuisbatterij",{"type":504,"value":1202}," kan hier op twee manieren helpen: ze verhoogt uw zelfverbruik (overschot van de middag verbruikt u 's avonds) én ze kan met slimme sturing uw maandpiek afvlakken (peak shaving). In combinatie met een ",{"type":494,"tag":851,"attrs":1204,"children":1205},{"to":168},[1206],{"type":504,"value":1207},"dynamisch contract",{"type":504,"value":1209},", waarbij de stroomprijs per uur verschilt, kunt u de batterij laden wanneer stroom goedkoop is en ontladen wanneer ze duur is. Of een batterij bij u uit de kosten komt, hangt sterk van uw profiel af. We rekenen dat door op ",{"type":494,"tag":851,"attrs":1211,"children":1212},{"to":282},[1213],{"type":504,"value":1214},"is een thuisbatterij de investering waard",{"type":504,"value":932},{"type":504,"value":529},{"type":494,"tag":543,"attrs":1218,"children":1221},{"data-toc":1219,"id":1220},"Helling en oriëntatie","helling-orientatie",[1222],{"type":504,"value":1223},"Helling en oriëntatie: hoeveel maakt het uit?",{"type":504,"value":529},{"type":494,"tag":499,"attrs":1226,"children":1227},{},[1228],{"type":504,"value":1229},"De ideale ligging is een dak op het zuiden met een helling van 35°. Dat haalt 100% van het theoretische maximum. Maar een oost- of westdak is lang niet zo slecht als vaak gedacht: het haalt nog altijd ongeveer 80 tot 85%, en spreidt de productie mooier over de dag, 's ochtends en 's avonds in plaats van één piek op de middag. Voor uw zelfverbruik is die spreiding zelfs een voordeel.",{"type":504,"value":529},{"type":494,"tag":559,"attrs":1232,"children":1233},{"class":559},[1234,1235,1256,1257,1329],{"type":504,"value":563},{"type":494,"tag":565,"attrs":1236,"children":1237},{},[1238,1239,1255],{"type":504,"value":569},{"type":494,"tag":571,"attrs":1240,"children":1241},{},[1242,1243,1248,1249,1254],{"type":504,"value":575},{"type":494,"tag":577,"attrs":1244,"children":1245},{},[1246],{"type":504,"value":1247},"Oriëntatie",{"type":504,"value":575},{"type":494,"tag":577,"attrs":1250,"children":1251},{},[1252],{"type":504,"value":1253},"Opbrengst t.o.v. ideaal",{"type":504,"value":569},{"type":504,"value":563},{"type":504,"value":563},{"type":494,"tag":598,"attrs":1258,"children":1259},{},[1260,1261,1277,1278,1294,1295,1311,1312,1328],{"type":504,"value":569},{"type":494,"tag":571,"attrs":1262,"children":1263},{},[1264,1265,1270,1271,1276],{"type":504,"value":575},{"type":494,"tag":607,"attrs":1266,"children":1267},{},[1268],{"type":504,"value":1269},"Zuid",{"type":504,"value":575},{"type":494,"tag":607,"attrs":1272,"children":1273},{},[1274],{"type":504,"value":1275},"100%",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":1279,"children":1280},{},[1281,1282,1287,1288,1293],{"type":504,"value":575},{"type":494,"tag":607,"attrs":1283,"children":1284},{},[1285],{"type":504,"value":1286},"Zuidoost \u002F zuidwest",{"type":504,"value":575},{"type":494,"tag":607,"attrs":1289,"children":1290},{},[1291],{"type":504,"value":1292},"± 95%",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":1296,"children":1297},{},[1298,1299,1304,1305,1310],{"type":504,"value":575},{"type":494,"tag":607,"attrs":1300,"children":1301},{},[1302],{"type":504,"value":1303},"Oost \u002F west",{"type":504,"value":575},{"type":494,"tag":607,"attrs":1306,"children":1307},{},[1308],{"type":504,"value":1309},"± 80 – 85%",{"type":504,"value":569},{"type":504,"value":569},{"type":494,"tag":571,"attrs":1313,"children":1314},{},[1315,1316,1321,1322,1327],{"type":504,"value":575},{"type":494,"tag":607,"attrs":1317,"children":1318},{},[1319],{"type":504,"value":1320},"Noord",{"type":504,"value":575},{"type":494,"tag":607,"attrs":1323,"children":1324},{},[1325],{"type":504,"value":1326},"± 60% (af te raden)",{"type":504,"value":569},{"type":504,"value":563},{"type":504,"value":682},{"type":504,"value":529},{"type":494,"tag":499,"attrs":1332,"children":1333},{},[1334,1336,1341],{"type":504,"value":1335},"Schaduw weegt vaak zwaarder dan oriëntatie: één schoorsteen of boom die een deel van de dag op de panelen valt, kost meer dan een dak dat net niet perfect op het zuiden ligt. Bij gedeeltelijke schaduw helpen optimizers of micro-omvormers, zodat één paneel de rest niet mee omlaag trekt. De volledige rendementstabel per graad leest u bij ",{"type":494,"tag":851,"attrs":1337,"children":1338},{"to":202},[1339],{"type":504,"value":1340},"de beste hellingsgraad van uw dak",{"type":504,"value":932},{"type":504,"value":529},{"type":494,"tag":1344,"attrs":1345,"children":1347},"good-to-know",{"icon":1346},"bell",[1348,1349,1357,1358,1365],{"type":504,"value":682},{"type":494,"tag":1350,"attrs":1351,"children":1354},"h3",{"class":1352,"slot":1353},"mt-1","header",[1355],{"type":504,"value":1356},"Rendement in procent of in euro?",{"type":504,"value":682},{"type":494,"tag":499,"attrs":1359,"children":1362},{"class":1360,"slot":1361},"mb-0","content",[1363],{"type":504,"value":1364},"Laat u bij de aankoop niet blindstaren op een half procent extra paneelrendement. Het verschil tussen 22% en 23% is op een gemiddeld dak verwaarloosbaar tegenover wat u wint door uw zelfverbruik op te krikken en een deugdelijke omvormer te kiezen. Kies panelen op garantie en betrouwbaarheid, en stuur uw verbruik. Daar zit uw rendement.",{"type":504,"value":682},{"type":504,"value":529},{"type":494,"tag":543,"attrs":1368,"children":1371},{"data-toc":1369,"id":1370},"FAQ","veelgestelde-vragen",[1372],{"type":504,"value":1373},"Veelgestelde vragen",{"type":504,"value":529},{"type":494,"tag":1350,"attrs":1376,"children":1378},{"id":1377},"faq-opbrengst-kwp",[1379],{"type":504,"value":1380},"Wat brengt 1 kWp zonnepanelen op per jaar?",{"type":504,"value":682},{"type":494,"tag":499,"attrs":1383,"children":1384},{},[1385],{"type":504,"value":1386},"In Vlaanderen levert 1 kWp goed geplaatste zonnepanelen ongeveer 850 tot 1.000 kWh per jaar, met zo'n 950 kWh\u002FkWp als realistisch gemiddelde voor een normaal dak. Een dak perfect op het zuiden met 35° helling haalt volgens de rekentool PVGIS iets meer dan 1.000 kWh\u002FkWp; schaduw, oriëntatie en verliezen in omvormer en kabels drukken dat in de praktijk wat lager.",{"type":504,"value":529},{"type":494,"tag":1350,"attrs":1389,"children":1391},{"id":1390},"faq-oost-west",[1392],{"type":504,"value":1393},"Is een oost-westdak slechter voor het rendement?",{"type":504,"value":682},{"type":494,"tag":499,"attrs":1396,"children":1397},{},[1398],{"type":504,"value":1399},"Een oost- of westdak levert ongeveer 80 tot 85% van wat een zuiddak opbrengt, dus het verschil is kleiner dan veel mensen denken. Bovendien spreidt een oost-westopstelling de productie over ochtend en avond in plaats van één piek op de middag, wat uw zelfverbruik (en dus uw financiële rendement) net ten goede komt.",{"type":504,"value":529},{"type":494,"tag":1350,"attrs":1402,"children":1404},{"id":1403},"faq-goed-rendement",[1405],{"type":504,"value":1406},"Wat is een goed rendement voor zonnepanelen?",{"type":504,"value":682},{"type":494,"tag":499,"attrs":1409,"children":1410},{},[1411],{"type":504,"value":1412},"Een goede installatie in Vlaanderen haalt rond 900 à 1.000 kWh per kWp per jaar en verdient zichzelf terug in ongeveer 5 tot 7 jaar. Het paneelrendement zelf zit bij zowat elk modern merk tussen 21 en 23%, dus dat is zelden de onderscheidende factor; uw zelfverbruik en de kwaliteit van de plaatsing bepalen of u aan de goede of de mindere kant van die terugverdientijd zit.",{"type":504,"value":529},{"type":494,"tag":1350,"attrs":1415,"children":1417},{"id":1416},"faq-degradatie",[1418],{"type":504,"value":1419},"Hoeveel rendement verliezen zonnepanelen na verloop van tijd?",{"type":504,"value":682},{"type":494,"tag":499,"attrs":1422,"children":1423},{},[1424],{"type":504,"value":1425},"Zonnepanelen verliezen ongeveer 0,4% van hun vermogen per jaar, waardoor een goed paneel na 25 jaar nog zo'n 87 tot 90% van zijn oorspronkelijke vermogen levert. Daarom geven de meeste fabrikanten een productiegarantie van 30 jaar op een gegarandeerd minimumvermogen.",[],[],{"div":465,"p":1429,"strong":1430,"solar-panel-calculator":1431,"h2":1432,"table":1431,"thead":1431,"tr":1433,"th":1432,"tbody":1431,"td":1434,"nuxt-link":1435,"em":465,"ul":1436,"li":1432,"good-to-know":465,"h3":1437},27,24,3,8,14,29,13,2,5,true,[1440,1443,1446,1456],{"id":1441,"name":163,"slug":961,"uri":164,"shortDescription":1442,"readingTime":479,"image":480},120,"Het injectietarief is de vergoeding die uw leverancier betaalt voor elke kWh zonnestroom die u injecteert. We tonen de gemiddelde tarieven van 2026, waarom ze zo laag liggen en hoe u ze vergelijkt.",{"id":1444,"name":160,"slug":1187,"uri":161,"shortDescription":1445,"readingTime":479,"image":480},114,"Het capaciteitstarief rekent een deel van uw netfactuur af op uw hoogste kwartierpiek (maandpiek) in plaats van op uw totale verbruik. Ontdek hoe het werkt en hoe u uw piek en dus uw factuur verlaagt.",{"id":1447,"name":157,"slug":1448,"uri":158,"shortDescription":1449,"readingTime":1450,"image":1451},60,"batterijen","Alles over thuisbatterijen in Vlaanderen: wat ze in 2026 kosten per bruikbare kWh, hoe LV en HV verschillen, welke grootte u echt nodig heeft en wanneer opslag van zonnestroom rendeert.",17,{"x1":1452,"x2":1453,"webpX1":1454,"webpX2":1455},"https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F60.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F60@2x.jpg","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F60.webp","https:\u002F\u002Fapi.zonnepanelenenergie.be\u002Ffiles\u002Fpages_featured\u002F60@2x.webp",{"id":1430,"name":23,"slug":1457,"uri":24,"shortDescription":1458,"readingTime":1459,"image":1460},"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":1461,"x2":1462,"webpX1":1463,"webpX2":1464},"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"]