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Aldi has established itself as a reputable retailer operating across international markets including Germany, Australia and the U.S. Aldi has over 7,000 stores worldwide. Aldi are committed to reducing the environmental impact of their business in the following ways:
- Continuously reducing carbon footprint
- Maximising the energy efficiency of the business
- Minimising the impact of refrigerants
- Meeting leading global standards for green buildings
- Reducing, reusing and recycling our waste
In approaching Energy Control and Monitoring, Aldi had two clear objectives, the first to address CRC statutory commitments and the second to reduce their spiralling energy bills by identifying areas of their Distribution Centre where costs savings could be made.
npower acting as one of Aldi’s energy consultants carried out a survey at the site and identified that Aldi DC Neston needed more control over their boilers to reduce their carbon emissions and reduce their gas bill.
Energy Perspective in partnership with npower, selected the ECO boiler optimisation system because of the low-impact installation requirements and simple intuitive energy analysis tools.
A technical survey of the heating system was undertaken.
The installation consisted of the following key features:
- Energy Perspective’s boiler control, web enabled
- Sensors on the flow and return parts of the heating system
- Tailored multiple temperature settings in line with the usage/demand profile of each site
- External wireless ambient temperature sensor to provide instantaneous weather compensation
- Additional wireless temperature sensors are located around areas of the property to further validate room temperatures confirming comfort levels are not affected
The ECO controller was set to a 14 day trial whereby the system controlled the boilers for 7 days and for 7 days allow the boilers to operate as currently programmed sequentially Day ON, Day OFF.
By comparing the number of minutes the boilers fire for the 7 days while the ECO system is in control, with the number of minutes the boiler fires in the 7 days as currently programmed we calculate the percentage saving and estimate the annual savings.
After the 14 day pilot was completed the projected annual savings are 35%.
From the analysis of Energy Perspective’s remote monitoring software projected annual savings were £3,000, based on the 14 day trial period. (These statistics are based on £0.0284/kwh and the boilers being 105 kwh low fire and 155kwh high fire.)