The experts in Biogas.

We offer you bundled expertise

The production of biogas is a complex process that can only be ensured through the interplay of definitive specialised knowledge and the use of functional product solutions. To optimize the economic operation of your biogas systems it is necessary to constantly question and optimise the individual processes.

TerraVis offers you products that will accompany you from the field to the silo to the fermenter all the way through to energy production.



Location-specific products for cultivating energy plants on your field.

TerraVis Field



Products for practical and low-loss substrate storage in your silo.

TerraVis Silo



Custom products for optimal substrate efficiency in your fermenter.

TerraVis Fermenter



Trouble-free power generation and profitable marketing with GeLa Energie GmbH.

TerraVis Energy



Consultation & Analytics

TerraVis supports and consults you in all the areas that have to be considered for the smooth production of biogas. Your contact person supports you from the field to the silo to the fermenter all the way through to energy production. Additionally, we can perform fermenter analyses or measurements of gas quality for you. Moreover, you can use our TerraVis Check to carry out an evaluation of your system efficiency and substrate efficiency.


Gas leak detection

All sealed? We check your biogas plant for gas leaks and at the same time you fulfil the legally obligatory leak test.


Increase biogas performance. TerraVis knows, how.


Enzymes improve processes in biogas plants

The farmer Ralf Exeler has been using enzymes in pig farming for a long time and since September 2017 also in the company's own 500 kW biogas plant. As a special feature, this plant does not use NawaRo's, but manure exclusively produced on the farm as well as chicken and cattle manure from farms in the region. For better feed conversion and a more stable process, plant managers Andreas and Ralf Exeler add the enzyme mixture MethaFerm® Gras liquid to the substrate.

Read the full article here.