BIOMETANO SESMA
Biometano Sesma
Biometano Sesma is a biomethane and biofertiliser production project located in the municipality of Sesma (Navarra). The project will valorise 184,500 tonnes per year of livestock manure and vegetal waste to obtain biomethane, biofertiliser and biogenic CO2.
Plant Diet
185 kt of agricultural and
livestock waste
Biomethane Production
110 GWh/yr of biomethane
injection
Local
Employment
+40 direct & indirect jobs created
Project Investment
+25M€ of project investment
Permitting process of Sesma project
June 2024
June 2024
May 2024
June 2025
Government of Navarra
AAI & EIA Application
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Autorización Ambiental Integrada & Evaluación de Impacto Ambiental constitute the principal administrative procedures for the authorization of the project.
Government of Navarra
​Regional Interest Declaration
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The Regional Interest Declaration (DIF in Navarra), granted on June 2024, demonstrates institutional support and reduces administrative processing timelines by half.
Government of Navarra
DIA
​
Favourable Declaración de Impacto Ambiental (DIA) was obtained in May 2025.
Government of Navarra
​AAI
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Autorización Ambiental Integrada (AAI) was granted in October 2025.