[L’instant tech] These manufacturers who save energy thanks to data and AI

Since the end of August, the phone has not stopped ringing at Arnaud Legrand. “The ants have prepared the subject well before it gets carried away, the cicadas are a little panicked”, laughs the president of Energy. This start-up based in Rennes and specialized in artificial intelligence allows companies to progress towards the objective set by Prime Minister Elisabeth Borne at the start of the school year: to reduce their energy consumption by 10% by autumn. . “Some companies are under energy contract for the year 2022, they have to renegotiate the tariffs and the calendar does not play for them”, asks Arnaud Legrand. Failing to be able to play on prices, they are therefore forced to reduce volumes.

He started as a “data scientist” for refineries or paper mills. Spreadsheets were still done in Excel. Suffice to say that it was a different era. “In ten years, the landscape has changed, industries now have the infrastructure to set up our platforms”, he assures. Energy’s software compiles production data from the customer’s plant on the one hand, and energy prices on the other. The company will then play on the speed of the machines, the flow, the temperatures or even the temporality: “When you start the factory on Monday morning, do you start all the machines at the same time or in cascade?”, illustrates Arnaud Legrand. Depending on their situation, the software allows customers to achieve savings of up to 10% – only a few percent for the largest groups, but that represents a lot in terms of competitiveness. “We are a bit like the Waze of energy in factories, smiled the president. We are going to show the most sober path without changing anything in quality.”

Energy gains visible on the software


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