Hertfordshire considers dimming street lights to tackle climate change

Hertfordshire Council is considering dimming street lights across the county as part of its strategy to tackle climate change.

The local authority is looking at a number of options to help reduce the climate impact of street lighting by varying the brightness and operating hours of lights.

This work will form part of the response to the declaration of a climate emergency last summer, and the development of the Sustainable Hertfordshire strategy – an ambitious programme to improve sustainability in the county.

The highways teams plan to review the timings of the street lighting, and also whether there could be further dimming, potentially reducing both costs and carbon emissions. Many street lights are already dimmed at various times.

Phil Bibby, cabinet member for highways and environment, said: “We want to reduce the climate impact of our street lighting, and the technical work done by our engineers shows that there are several ways we could do this. It’s important that we look at these options in the round, which is why we’ll be considering this as part of the overall Sustainable Hertfordshire Strategy, rather than making changes straight away.”

With most of Hertfordshire’s street lights now converted to more efficient LED lights with a central control system, it is now possible to dim lights and modify timings in specific areas, allowing more flexibility in how roads are lit.

A full review of street lighting options will be undertaken next year, subject to funding being available.

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