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Titel:
PVT Panels: fully renewable and competitive
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Energie in de Gebouwde Omgeving en Netten 1-10-2003
 
ECN publicatienummer: Publicatie type:
ECN-RX--03-062 Overig
 
Aantal pagina's: Volledige tekst:
7 Download PDF  (919kB)

Samenvatting:
A photovoltaic/thermal (PVT) panel is a combination of photovoltaiccells with a solar thermal collector, generating solar electricity and solar heat simultaneously. PVT panels generate more solar energy per unit surface area than a combination of separate PV panels and solar thermal collectors, and share the aesthetic advantage of PV. After several years of research, PVT panels have been developed into a product that is now ready for market introduction. One of the most promising system concepts, consisting of 25 m2 of PVT panels and a ground coupled heat pump, has been simulated in TRNSYS, and has been found to be able to fully cover both the building related electricity and heat consumption, while keeping the long-term average ground temperature constant. The cost and payback time of such a system have been determined; it has been found that the payback time of this system is approximately two-thirds of the payback time of an identical system but with 21 m2 of PV panels and 4 m2 of solar thermal collectors. Finally, by looking at the expected growth in the PV and solar thermal collector market, the market potential for for PVT panels has been found to be very large.


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