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Demeter Energies

Italy
Operating since 2015
Mauzé-sur-le-Mignon (Mauze)
Operating since 2015
Mauzé-sur-le-Mignon (Mauze)
Plant size: 499 kWel
Today, the plant brings together in its capital local breeders (of dairy cattle, beef cattle, and goats) and large regional players in the agricultural and renewable energy sector (cooperatives and energy union). In addition to a desire to contribute to the territory’s energy transition, this initiative was created to address the new French agricultural landscape, which requires that farmers reconsider their production methods and, above all, diversify them to keep the industry alive. Specifically, this plant enables the effluents of 12 farms in the surrounding area (less than 8 km from the methanation unit) to be treated and converted into electricity, heat, and natural fertilizer.
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Substrate
Manure, slurry, intermediate crops for energy recovery (CIVE), cereals
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Use of biogas
Production of electricity, heat, and fertilizer
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Exploitation of heat energy
The excess of 1,500 MWh is channeled into a heating network built by Demeter Energies in Mauzé-sur-le-Mignon. This heat saves tons of gas for the local secondary school, litres of fuel for the swimming pool, municipal buildings and corn and alfalfa dryers.
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Use of digestate
Exploited as organic fertilizer
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Plant of type

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Renewable energy production towards a circular economy
Agricultural plants
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A more sustainable and environmentally friendly economic activity
Agro-industrial plants
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Recover the economic value, minimizing the impact on the environment
Organic Waste