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Powering what matters

Transforming waste into renewable resources.

Creating a cleaner, smarter future in Southwest City, Missouri.


ReGen harnesses the power of anaerobic digestion to transform byproducts into renewable natural gas, liquid CO₂, and nutrient-rich fertilizer that can be used in agriculture and manufacturing.
 
Launched in late 2023 and set to be fully operational in 2026, ReGen will significantly reduce waste across Simmons’ operations. But its impact goes far beyond waste reduction:
ReGen supports our long-term focus on efficiency and sustainability, enabling us to unlock shared value and power progress.

Our Products

Renewable Natural Gas

Producing renewable natural gas and other beneficial products that can be used to generate alternative transportation fuel, energy products, or other advanced biochemicals and bioproducts.

Liquid CO₂

Creating beverage-grade liquid CO₂ that can be used across our operations and beyond. This versatile resource can serve a range of industrial and commercial needs.

Nutrient-rich Fertilizer

Producing concentrated, nutrient-rich solids and liquids targeted for use as fertilizer. These fertilizers help improve soil health and crop yields, contributing to more effective agricultural practices.

Questions:

What is anaerobic digestion?

An anaerobic digester is a sealed system that uses naturally occurring microorganisms to break down organic material, like food byproducts, in the absence of oxygen. As the material breaks down, it produces renewable resources like renewable natural gas (RNG) for energy, liquid CO₂ (LCO₂), and nutrient-rich digestate that can be refined into fertilizer and other soil products.


Where does Simmons Animal Nutrition source its organic materials?

We use byproducts from our operations that would otherwise need to be disposed of and considered waste. Throughout the production process, we derive materials that cannot be used to their fullest potential.


What does ReGen produce?

ReGen will convert low-value materials into renewable resources, including renewable natural gas, liquid CO, and fertilizer that can be used in agriculture and manufacturing.


When will construction be complete?

We expect to be fully operational by summer 2026.


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