How did TotalEnergies leverage renewable hydrogen at their industrial site in France and avoid 100,000 tonnes of CO2 emissions per year?

TotalEnergies wanted to reduce the carbon footprint of their biorefinery in La Mède, France.

The ENGIE Solution: Production of renewable hydrogen at an industrial site

ENGIE and TotalEnergies jointly initiated the Masshylia project, aimed at establishing the first French site for large-scale renewable hydrogen production. Located within TotalEnergies’s biorefinery at La Mède in the southern Provence-Alpes-Côte d’Azur region, the project initially featured a 40 MW electrolyzer capable of producing 15 tonnes of renewable hydrogen daily.

In 2022, the project expanded its production capacity to 120 MW, generating an average of 50 tonnes of renewable hydrogen per day to meet the biofuel production requirements of the plant. This electrolyzer was powered by electricity sourced from solar and wind farms with a combined capacity exceeding 300 MW, supplemented by grid electricity.

The project’s innovation was in its hydrogen storage capabilities and the implementation of an energy management system, which addressed the intermittency of renewable electricity production and enhanced project competitiveness. These advancements ensured a consistent hydrogen supply to the biorefinery, positioning Masshylia as a pioneering model for industrial decarbonization unparalleled in Europe.

Moreover, beyond fulfilling the biorefinery’s energy demands, the produced hydrogen catered to the needs of industries in the Fos-sur-Mer (Marseille) area and various local mobility and service projects (road, sea, and rail). Masshylia thus laid the groundwork for a replicable hydrogen ecosystem, serving industrial and multi-functional purposes, fostering regional development, and extending its impact internationally due to its proximity to the Mediterranean.

120 MW


> 300 MWp

Solar and Wind Farm Capacity

~ 50 Tonnes /day

Renewable Hydrogen Production

120,000 Tonnes/day

CO2 Emissions Avoided

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