What Our Clients Are Saying

“When considering the application of anaerobic digestion or biogas generation, my first choice would be to talk to RETTEW. Their people understand not only the technology, but what makes practical sense and is cost effective for our projects.”


- DCO Energy

"RETTEW's single point of contact, full-service approach, deep technical capability, and full investment in our project's success ensured on budget and on schedule execution. They act like a partner rather than just a consultant."

– Richard Crowther, VP of Development, Terreva Renewables

"Jason Wert managed a solar project at our corporate headquarters very effectively. Jason's communication skills are superb. He not only brings a lot of technical knowledge but he is a wealth of industry knowledge and knows the trends. He sees the overall bigger picture in the energy market."


- Confidential Energy Client

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