DeepResource

Observing the world of renewable energy and sustainable living

Hybrid Solar

panel-thermoSolar thermal-electric hybrid

volther-powertherm-180wConventional thermal solar collector

In densely packed cities in overcrowded north-western Europe, space is the real scarce commodity, more than money. The consequence is that if this scarce (roof) space is used for solar energy, preference is usually given to solar panels over thermal solar collectors. In fact, when we visited the 2014 Munich Intersolar exhibition, there were hardly any producers of solar thermal collectors present.

It is premature however to write-off thermal solar completely. If sun rays hit a solar panel, ca. 15% is converted into electricity and the rest is lost in heating up the panel, which degrades performance. The idea of hybrid solar is to use the same (scarce) surface for both electricity and heat:

volther-connection
A solar hybrid panel has two energy outlets: one for electricity and one for hot fluid, utilizing nearly all solar energy.

volther-europe

[newformenergy.ie] – Photovoltaic Thermal PVT
[solartherm-hybrid-pv.de] – Solartherm Hybrid PV
[solenergo.lv] – Volther Hybrid PV-T Panels
[hausundsolar.de] – Volther PowerVolt PV-T Hybrid Collector

hybrid-solar[source] Robust two-edged sword

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