Energy audit estimates savings of 53% at Leroy Merlin Braga store

Audits and Certifications Customer Leroy Merlin Services Energy Auditing Sector Retail
aerial view of the solar carport at leroy merlin in aveiro helexia

At Leroy Merlin in Braga, a store with more than 6,000 m2 of commercial area, Helexia implemented an energy efficiency project divided into 4 phases:

With these steps, Leroy Merlin reinforces its commitment to the decarbonization of its business.

Energy is an essential factor for any business and with this partnership we minimize waste and its impact on the planet, creating new local and customized solutions to better use, explore and produce energy at Leroy Merlin.

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João Lavos
Leroy Merlin Positive Impact Leader

Helexia has been and will be our partner in the energy transition of our buildings, because for us it makes sense to start with our own House. The work we have been doing is a true partnership, based on a very close knowledge of the needs and mutual capabilities of both companies, knowledge that was gained over the time of the relationship.

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From needs analysis to implementation, we believe that a decarbonized economy is the path to growth.

Project phases:

Phase 1 - Energy Audit - the energy consumption of the store and of the installed electrical equipment was evaluated, and later an audit report was produced where 7 measures were proposed to improve the energy efficiency of the building, which offer a relevant total saving, estimated at 52.9% of the total consumption of this store;

Phase 2 - Dynamic Simulation - the store's thermal envelope and consumption conditions were verified and a dynamic simulation model used as a basis for comparison by applying the proposed improvement measures was applied;

Phase 3 - Clustering and Benchmarking - in all stores of the Leroy Merlin portfolio in Portugal a characterization of the energy efficiency level was developed, grouping the different stores by typology, according to their size, and by geographic/climatic zone;

Phase 4 - Good practices manual - A catalog of good practices applied to Leroy Merlin retail stores was developed, which includes 34 energy efficiency measures, ranging from technological solutions to operational indications for reducing energy consumption.

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