Two Waitrose stores will become carbon negative

A biomass energy centre that will reduce carbon emissions by over 1000 t a year is being developed for Waitrose’s new store in Bracknell. MITIE has started work on the tri-generation plant, which will supply the supermarket with heat, electricity and chilled water.

This is the second energy centre MITIE has developed for Waitrose. The first is at the store in East Cowes and will be up and running in December 2011.

The Bracknell plant will source wood chips from local sustainable woodlands and is due to be operational by the end of March 2012. It will be housed in a new building next to the supermarket, with the absorption chiller, dry air cooler and cooling tower in the main store plant well.

The energy centre at East Cowes will provide the same energy and carbon saving as at Bracknell. Both stores will be carbon negative.

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