Landscape & Urban Design Issue 53 2022 | Page 76

LIGHTING
Olivio with square wooden column
In many regions with corresponding light in-tensity , photovoltaics are already considered the cheapest way to generate electricity . In applications such as making road or path lighting self-sufficient ( offgrid ), additional factors positively impact economic efficiency and the ecological balance sheet : not only are there no electricity costs per se , neither are there any line charges or wiring installation costs .
Antares with solar column
Photovoltaics are also a costefficient alternative in neighbouring regions such as Central Europe , as has been demonstrated in recent decades . Several cities and regions in Germany and elsewhere are recording photovoltaic yields in solar land registers .
The right cell type depends on the specific application . Luminaires with a decentralised power supply require a compact design and high efficiency , which is why Hei solar luminaires from Selux use highly efficient solar cells generally made from monocrystalline silicon .
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