The new lighting, supplied by Philips, has reduced the cathedral’s energy consumption by 80 per cent.
Almost all of the luminaires are dimmable, making it possible to modify the lighting according to the event taking place, the time of day or the season, and all are operated through a touchscreen system.
Lighting designer Armand Zadikian worked with Philips on the scheme, with the ‘bishop’s architect’ Benoit Ferré designing a 300-metre 'spinal column' that runs the length of the structure.
General manager of Philips Lighting France Benjamin Azoulay said devising an effective scheme that respected the history of the cathedral was a challenge. ‘The lighting really had to enhance the beauty of the site without at any time overwhelming it,’ he said.