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Buffalo Rock Brings PET Bottle Production In-House at Alabama Plant

Maílis Carrilho
Written by Maílis Carrilho
Published Oct 12, 2026
5 min read
Published Oct 12, 2026

Buffalo Rock has added in-house polyethylene terephthalate, or PET, bottle production at its renovated Oxmoor Campus in Homewood, Alabama. The operation brings an additional manufacturing stage into the beverage facility, replacing deliveries of finished empty bottles with smaller plastic preforms that are shaped on site.

The blow molding installation occupies nearly 22,000 square feet within the 320,000-square-foot campus and can manufacture approximately 800 20-ounce bottles per minute. Buffalo Rock, a family-owned Pepsi and Dr Pepper bottler, serves markets across Alabama, western Georgia and the Florida Panhandle.

The project is part of a broader modernization program. According to Business Alabama, Buffalo Rock has invested more than $300 million in facilities and automation enhancements through its multiyear infrastructure strategy, which has included adding nearly two million square feet across its operations. That figure covers the wider program rather than the blow molding installation alone.

The Oxmoor Campus originally opened in 1966 as a 75,000-square-foot facility. Its latest renovation follows the relocation of Buffalo Rock’s corporate headquarters to Lakeshore, which created an opportunity to reorganize the manufacturing campus.

Smaller Preforms Change Packaging Logistics

Before the installation, Buffalo Rock received bottles that were already formed and labeled. The new process starts with incoming preforms, which are heated and expanded using compressed air. The bottles then pass through labeling, filling, packaging, and palletizing before finished beverages are shipped to customers.

Mike McDonald, Buffalo Rock’s senior vice president of manufacturing and supply chain, told ABC 33/40 that the arrangement improves the company’s ability to respond to customer demand and switch between packages and flavors. He also identified potential cost savings, without providing a dollar estimate.

The practical sustainability opportunity is a change in what travels to the factory. Finished empty bottles occupy substantial space relative to their weight. Preforms are more compact because they have not yet been expanded into the final container shape.

Transporting the compact intermediate product could therefore reduce the truck capacity needed to supply a given number of bottles. This is an operational inference from the production change, consistent with the project’s stated objective of limiting truck movements. The actual benefit will depend on supplier locations, shipment configurations, and the number of deliveries displaced.

Energy Use Remains Part of the Calculation

Moving bottle production into a beverage plant changes where manufacturing energy is consumed. Heating preforms and supplying compressed air require energy, so lower transportation requirements alone do not establish the size of any overall carbon reduction.

Equipment manufacturer Sidel identifies electricity, compressed air, and material consumption as important areas for improving PET blow molding efficiency. Its technical guidance describes opportunities to optimize existing blowing processes while maintaining bottle performance. This provides industry context rather than evidence of the performance achieved by Buffalo Rock’s installation.

For an assessment of the project’s climate impact, useful indicators would include electricity consumed per thousand bottles, transport fuel avoided, and production losses. Comparing the previous and new supply arrangements would also require accounting for bottle manufacturing at the former supplier.

Such a comparison matters because a manufacturing activity transferred between companies can change their individual emissions inventories without producing an equivalent reduction across the complete supply chain. The relevant question is whether making and delivering the same packaging now requires fewer resources overall.

Integrated Production and Circularity

The project’s immediate focus is manufacturing integration and logistics. Its environmental assessment should also consider the amount of plastic used per bottle, recycled content, and what happens to the packaging after consumption.

Sidel’s PET blowing portfolio illustrates that modern equipment can support lightweight packaging and recycled PET in suitable process configurations. However, that general capability does not establish Buffalo Rock’s bottle specifications or recycled-content levels.

For beverage producers, these are separate decisions that should be evaluated together. A reduction in bottle weight could lower material requirements, while recycled content could change the upstream footprint of the resin. Both require packaging that continues to meet product protection and manufacturing requirements.

Reporting on the Oxmoor project describes an integrated, “closed-loop” manufacturing process. In this context, the description concerns the connection between bottle production and beverage packaging. It does not demonstrate a system that collects used bottles and recycles them into new containers.

Technical Jobs and Measurable Outcomes

The operation supports 18 positions, comprising 12 new hires and six existing employees reassigned internally. Buffalo Rock said equipment representatives trained employees to operate and maintain the system, with the roles requiring greater technical expertise.

ABC 33/40 also reported that the company had not supplied quantified transportation or production savings.

For other beverage manufacturers, the project demonstrates how producing packaging closer to filling operations can improve supply flexibility and reduce the need to move empty containers. Its contribution to decarbonization will depend on measured results across transport, electricity, and materials. Publishing those indicators would help distinguish the installation’s operational benefits from its verified environmental outcomes.

Sources:


Maílis Carrilho
Written by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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