Aldi will be cutting the number of lights it has switched on across its stores in a bid to cut energy costs and help towards net zero efforts.
The change is being implemented across all stores from June.
The move follows a trial the discount supermarket conducted earlier this year where it turned the lights down in four of its stores.
Last month Aldi introduced other energy saving measures including installing chiller doors, air-sourcing heat pumps and more efficient fridges and lights.
Aldi has said previously that its eco-measures will help keep prices low for customers.
Alongside this around 400 existing stores and all new stores will get new energy efficient lighting technology which will extend the lifespan of light fittings from around two to 10 years.
An Aldi spokesperson told The Mirror: “We have a number of ongoing sustainability initiatives, including the use of solar panels, switching to 100% renewable electricity and investing in a greener fleet.
"We’ve also introduced more energy-efficient LED lighting into stores which will reduce our energy consumption by around 10%, whilst maintaining an excellent in store experience for our customers.
“Through measures like this we’re able make our stores even more sustainable and maintain our position as the UK’s lowest-priced supermarket.”
Other supermarket chains have also made similar moves recently.
Morrisons, Waitrose and Co-op both trialled dimming lights earlier this year.
Waitrose stores are currently operating on “half lighting” for the first two hours of trading on weekdays.
Waitrose also updated its fridges to make them more efficient by 40% and is considering blinds across its fridges to keep cold air in at night.
Morrisons had already implemented this measure.
Co-op has previously said the initiative, which has been part of a trial since October last year, meant it could reduce electricity bills by up to £4,000 a year for a single store.
Sainsbury's has switched to LED lights in its stores, and also uses smart sensors to adjust their brightness depending on the level of natural light coming in.
It's not just supermarkets though, retailers across the UK are making moves to try and curb their energy usage.
Currys has reduced the brightness of display TV sets in a bid to bring down its energy bill, which jumped to £8million in the year to the end of April.
