Plant engineering
& design
Process and concept
With years of experience across the entire process chain—from planning and construction to commissioning, operator training, and ongoing service support—we provide assistance to our customers in every aspect of their project. This approach ensures the technical and economic performance of the plants.


Individual plant concepts
Planned and engineered for optimal performance
WELTEC BIOPOWER develops customized solutions for substrate and biogas treatment tailored to your project. Our systems are designed according to your available inputs, climate, infrastructure, and strategic orientation. Our complete in-house development process and use of proven stainless steel technologies guarantee efficient planning, quick assembly, and the highest quality standards.
Plant layout
precision in every aspect
Planning & strategy
We analyze your requirements, available substrates, and strategic goals. Together, we define the technical and economic parameters for your customized biogas project. Based on these parameters, we will develop the optimal plant configuration and, upon request, provide a transparent feasibility study.
Approval planning
From building application to operating permit —
we provide professional support for the regulatory steps if necessary. WELTEC assists you throughout the approval process to ensure a smooth procedure.
Plant construction & commissioning
Our experienced installation teams will set up your plant. You will receive a fully assembled and operational system, including professional commissioning and comprehensive training. Thanks to transparent planning, precise engineering, and reliable execution, your project will be completed on time.
Trainings
Your team will learn how to operate your system safely and efficiently from our experts. WELTEC offers hands-on training in system technology, process biology, maintenance, and troubleshooting, tailored specifically to your setup. This ensures a smooth start-up and independent operation.
Service
We will be at your side even after commissioning. WELTEC offers a range of after-sales services, including regular maintenance, a hotline, remote maintenance, and rapid spare part delivery. Our service teams ensure your system operates reliably in the long term, downtime is minimized, and maximum availability is achieved.
EPC solutions
Everything from a single source
WELTEC BIOPOWER provides holistic solutions for your project. We handle planning, procurement of all components, construction, and commissioning. You have one point of contact, clear responsibilities, and full cost transparency from a single source. We implement your project on schedule and on budget, with no interface losses or delays.
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