Being a retailer requires a great deal of energy (operations across the whole supply chain and running stores): transport, refrigeration production, lighting, cleaning services, etc. The wide-ranging anti-wastage plan sets out to reduce energy expenditure in all areas – fewer kWh – and reduce the retailer's carbon footprint – less CO².
Reduce and optimise our energy consumption:
- Generate savings: Carrefour is generating energy savings: Its policy to reduce electricity consumption has met with convincing results: a 31.1% reduction in 2014 compared with 2004 – 6 years ahead of schedule! A new plan is in the process of being finalised which will set the next targets.
- Promote locally produced renewable energies: wherever Carrefour operates, renewable energy sources are found nearby, such as geothermal power, wind power, solar power, etc. But the heat generated by stores also has to be recovered and reused – such as the heat generated by refrigeration units.
Be more efficient: do more with less and reduce per-square-metre electricity consumption in stores
- Close the cold storage units – this can generate energy savings of up to 18%, or install night covers on open units
- Change the lighting system used – low-energy light bulbs can generate energy savings of up to 50%
- Give stores the choice: Stores can choose from a wide range of technical and technological solutions – they can select the most appropriate at the best cost which has the biggest impact on climate. Intelligent energy management systems have been successfully incorporated into a number of stores: these tailor air-conditioning, heating and lighting levels so that they better meet requirements (up to 80% of the energy used for lighting can be saved for a store
Reducing emissions from refrigeration production
Retail stores need to produce refrigeration so that they can store foodstuffs and ensure that the cold chain is not broken. Until recently, HFC's were used. These are chemicals (in liquid form) which have a very high impact on climate change and destroy the ozone layer. Carrefour has now developed and rolled out a technology that has almost no effect on climate, as well as requiring less energy (learn more about Producing clean refrigeration). In addition, it goes to every effort to ensure that none of the liquids involved leak out into the environment.
Limit the impact of transporting merchandise: fewer kilometres travelled
- Source products from local producers: this reduces the distances between products and the stores, and encourages short distribution channels.
- The lorries used to make deliveries to warehouses and stores are a source of CO2 emissions (as well as other pollutants). More effectively fill lorries (over two levels), review the way in which pallets are prepared, optimise itineraries, prevent lorries from making empty return journeys: these are all sensible initiatives that reduce CO2 emissions / package. Levels of CO2 / package have fallen by 6.4% in two years.
- Alternative solutions that don't involve transport by road: river, rail, rail/road or barge/road combinations are used in countries where these are options. In 2014, merchandise was transported by train and river over 1.7 million km.
- In France, this resulted in 9545 tonnes of CO2 being avoided
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