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Pau is a town in Catalonia of 600 inhabitants that stands out for its breathtaking landscapes and quaint cobblestone streets, offering a peaceful and relaxing backdrop for those seeking to enjoy the natural beauty of the region.  

To reduce light pollution and protect the local wildlife around Pau, we chose light sources with a low level of blue light.  

We also designed luminaires that not only enhance the local architecture at night, but also integrate harmoniously with the visual aesthetics and unique personality of each location.  

Initial conditions  

Pau’s old lighting system had several problems: 

• Old and inefficient luminaires with little LED technology  

• Not environmentally friendly 

• Maintenance and replacement logistics complicated due to different models 

• Poor light distribution 

• 70 W sodium vapour lamps as the main light source 

• Lacking aesthetic homogeneity 

Solutions implemented  

The Altair urban luminaire was chosen to update Pau’s luminaires.  

It’s a luminaire with a minimalist design and architectural styling, allowing it to blend in perfectly with its surroundings. Thanks to a wide range of road and symmetrical optics, it offers outstanding flexibility for projects where the urban layout is highly irregular. The electrical-lighting unit can also be removed as a single piece, which greatly simplifies maintaining and updating the luminaire.  

We were looking for a lighting system that respects the biodiversity of the area with low levels of blue wavelength light, one that would blend in with the local colour palette, highlighting the characteristic colour of the stone.  

Altair IXF  

We chose our Simon ALTAIR IXF Istanium LED street luminaire with die-cast aluminium, adjustable side or post-top attachment, a compact design and flat housing with internal cooling system, and honeycomb LED providing maximum energy efficiency. 

Altair IYF  

We also selected our Simon Altair IYF Istanium LED luminaire to create an integrated design for the urban environment and green areas. It features a compact design and a flat housing with an internal cooling system for the LED honeycomb and no visible fins.  

Resultados obtenidos  

Updating the lighting system improved energy efficiency while reducing consumption and maintenance costs. Light pollution was also reduced, helping to protect the natural environment and local fauna. This also served to enhance Pau’s night time beauty, adding to its cultural wealth. Below, you can see the photometric distribution of the optics used:  

Last May, the Spanish Lighting Committee (CEI), held the 50th National Lighting Symposium in Valencia from 22 to 24 May. At the event, Simon presented Pau’s urban lighting renewal project, led by Simon Lighting’s outdoor experts Robert Merchante, marketing manager, and Maria Farré, project manager.  

At the symposium, we also discussed energy efficiency, lighting for smart cities and the latest technological innovations in the lighting sector with other professionals in the sector.