A Modelo Continente supermarket in Gaia, to the south of Porto, has become the first in Portugal to install an onsite anaerobic digestion system from small scale biogas technology specialist, SEaB Energy.
The manufacturer, which is based at the University of Southampton Science Park in Chilworth, UK, said that the installation of its ‘Flexibuster’ system was the result of a strategic partnership conducted through its Portuguese agent, Biowaste SA.
The Flexibuster will convert approximately 600kg per day of inedible supermarket food waste into around 80 MWh of electricity each year, as well as 180 tonnes of fertiliser per.
SEaB said that the electricity will be used on site whilst the fertiliser will be sold on, creating an additional revenue stream for the supermarket.
According to the company the total offset savings for the first year is projected to be around €27,000 which includes income from the generation of energy from waste and cost savings from the elimination of waste transport and landfill costs as well as other operational expenses.
“This is a ground breaking deal for the adoption of small-scale renewable energy systems within the retail sector – and not just for Portugal but for Europe as a whole,” commented Sandra Sassow, CEO of SEaB Energy
Modelo Continente was also said to have a strong focus on resource recovery including the recycling of product and transport packaging and the implementation of bins at its stores so that consumers can recycle items such as batteries, clothing, consumables and electricals.
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