At its Oberkirch site, the Koehler Group is upgrading its power plant to use eco-friendly biomass as fuel. With the last piece of coal now burned, this major project has hit a new milestone.
The Oberkirch site will reduce its direct fossil CO₂ emissions by over 150,000 metric tons each year by switching to biomass.
A press release by the Koehler group informed that the power plant stopped according to the planned schedule, and a backup power system was activated. It adds, “extensive overhauling and conversion work for switching over to biomass fuel has been going full speed ahead since June 10th.”
Converting the combined heat and power plant from hard coal to biomass involves significant renovation. Currently, the Biomass Receiving Area 1 and four new silos have been completed.
Work is now focused on the material handling equipment and the conveyor system that will transport biomass from the silos to the power plant.
Additionally, the group is installing building services at Biomass Receiving Area 2. This new equipment will enable biomass transfer to the boiler within the power plant in the future.
The company informs, “Now that the gas supply system has been completed and the cold reserve has been successfully switched over to dual fuel burning, the new emergency generator has been put into operation as well.”
This setup ensures that the Koehler plant in Oberkirch will have a reliable power source during the ongoing conversion work at the combined heat and power plant.
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Kai Furler, Koehler Group CEO, explains, “For us, decarbonization of our coal-fired power plant in Oberkirch is another crucial step in our efforts to achieve our climate goals and produce more renewable energy than we need for our paper production operations starting in 2030.”
He adds that the commissioning and testing phase will start in mid-August, and the power plant should start running on environmentally friendly biomass in October.