Construction references

Beauval's zoological park


Beauval’s zoological park

(Cogeneration of 265 kW) – Saint-Aignan (41)

Realised by Naskeo Environment:

  • Detailed studies
  • Project management of the work
  • Provision of the turnkey installation (process)

– Project company: Beauval Zoo (41)

– Deposits: 11,000 tonnes per year including

1 500 tonnesof zoo manure

1 000 tonnes of cattle manure

600 tonnes from grain

3 000 tonnes of green waste

4 800 tons of pig slurry


– Type of pre-treatment: Liquid pre-pit system

– Biogas recovery: Cogeneration of 265 kW.

– Digestate recovery: Direct spreading.

– Method used: Completely mixed.

– Specific advantages: First biogas unit integrated in a zoo.

– Thermal recovery: Heating the gorilla and manatee houses and the winter house for the elephants at the ZooParc.

CO2 emissions avoided per year: 1 107 t of CO2 avoided per year. Equivalent to the electricity consumption of 316 families.

– Status of the project: Commissioned in March 2014.


Reproduction de l’unité de méthanisation du ZooParc de Beauval en miniature. Pour la voir, rendez-vous au ZooParc !

Learn how the unit operates !