First Micromethanization Unit Installed in Alsace's Vegetable Farm to Produce Biogas
A micromethanization unit has been established at a vegetable farm in Holtzwihr, Haut-Rhin, aiming to convert vegetable waste and brewery byproducts into biogas for heating and electricity. Developed by the Strasbourg startup Arkeale, this compact unit is designed for small-scale operations and targets 40% energy autonomy for electricity and 100% for hot water. The system, costing approximately €400,000, is expected to be profitable within 6 to 10 years, with plans for three more units in the region by 2027.

In Holtzwihr, Haut-Rhin, a micromethanization unit has been installed at a vegetable farm, marking a first in Alsace. It converts vegetable waste and brewery byproducts into biogas for heating and electricity.
The unit operates at less than 80 kW, tailored for small-scale farms, and is designed by the Strasbourg startup Arkeale. The farm aims for 40% electricity autonomy and 100% hot water autonomy. The investment is around €400,000, with a return on investment expected in 6 to 10 years. By 2027, Arkeale plans to install three additional units in Bas-Rhin and Luxembourg.




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