In Indre, LED public lighting allows municipalities to make real savings

To save energy, but also reduce the electricity bill, more and more municipalities are renovating their old energy-intensive public lighting to convert them to LEDs. In the department of Indre, the town of Argenton-sur-Creuse where the lighting company Lenzi is based, 23% of streetlights are already equipped with this technology. In Châteauroux, all of the 9,700 pieces of equipment will soon be switched to this technology.

real savings

Thanks to the renovation of all its streetlights, Châteauroux saves energy, but also money. In 2014, electricity consumption was 18,870 MWh per year. In 2020, it was only 8,593 MWh. In 2023, thanks to the replacement of its entire fleet, the town hall hopes to reach its objective of reducing electricity by 75% to only consume 5,000 MWh per year. A considerable reduction which also makes it possible to make real savings. The electricity bill, which amounted to 864,000 euros in 2014, only represented 648,000 euros in 2020.

In Argenton-sur-Creuse, almost all the streetlights on the Limoges road are equipped with LED technology © Radio France
Lucas Bouguet

Argenton-sur-Creuse, in the south of the department, has also begun its transition towards this less energy-intensive mode of lighting. Unlike the prefecture of Indre, the municipality does not make any savings, because of the increase in the price of electricity. However, the bill has not increasedinforms us the director of technical services of the city, Florent Virlojeux. With 23% of all public lighting switched to LED technology, it is still more than 212,000 kWh per year that can be saved.

Added to this are cuts in public lighting, between 11 p.m. and 4:30 a.m., or even 5 a.m. in the residential areas of the town. But this measure is not to the liking of everyone and in particular of certain inhabitants. Indeed, thelack of light causes anxiety. “At 11 p.m., midnight, I went out before. Now I no longer go to restaurants with my friends”, says one of them. Well aware of the savings to be made, another invites the municipality to turn on every other light instead, “at least we can see”.

We are in tune with the times

Road from Limoges to Argenton-sur-Creuse, we notice that almost all the streetlights are equipped with LEDs. It is also on this main road that the Lenzi lighting company, which supplied this equipment, is located. Antoine Bonneville’s company also knows a 30% increase in its turnover in the first half of 2022. A welcome catch-up after two complicated years due to the health crisis.

The universal LED block, developed in 18 months by the Lenzi company, which is fixed on the existing lantern
The universal LED block, developed in 18 months by the Lenzi company, which is fixed on the existing lantern © Radio France
Lucas Bouguet

During this period, the company still took the opportunity to develop a new, less expensive and more practical Led lighting system called “universal Led block”. A device that can be fixed on the existing one without having to replace the entire lamp post.

“We are in tune with the times where we do not exhaust the resources of the planet, we reuse existing products”, likes to point out Antoine Bonneville. The latter is also satisfied with the success of this novelty. Released just before the summer, 500 copies have already been sold. For the moment, the municipalities that have placed an order with Lenzi are: Schoenenbourg, Waltenheim-sur-Zorn and Porte du Ried in Alsace, Levallois-Perret in Hauts-de-Seine, and Barges in Côte-d’Or.

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