“From Ice Cream to Electricity”: This U.S. Facility Converts Dessert Waste Into Clean Energy That Powers Thousands of Homes

In a groundbreaking move, Ben & Jerry’s is transforming its organic waste into a valuable resource, generating clean energy for Vermont’s power grid. Through a partnership with PurposeEnergy, a cutting-edge anaerobic digestion facility in St. Albans is converting waste from the iconic ice cream brand into renewable energy. This initiative not only reduces waste but also aids in lowering emissions, setting a sustainable example for the industry. As the plant produces substantial renewable electricity annually, it underscores the potential of industrial symbiosis and renewable energy innovations.

Turning Food Waste into Power

The partnership between Ben & Jerry’s and PurposeEnergy is a prime example of industrial symbiosis, where food production waste is turned into clean energy. This closed-loop system benefits both the environment and the local economy. Initiated by an agreement in 2021, the collaboration involves Ben & Jerry’s supplying organic waste, including wastewater and out-of-spec products, to the facility.

At the heart of this process is the high-tech anaerobic digestion facility in St. Albans, Vermont. Here, waste is piped directly from Ben & Jerry’s factory to the digester, where it is broken down without oxygen. This decomposition produces methane-rich biogas, which is captured and used to generate electricity and heat. The plant is expected to produce 8.75 million kilowatt-hours of renewable electricity annually, enough to power hundreds of Vermont households. By feeding this electricity into the state’s power grid, the facility contributes to a cleaner energy future.

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Fueling the Future

Beyond electricity, the plant also generates up to 45,000 million British thermal units of renewable thermal energy each year. This energy helps heat the digester and supports on-site operations, enhancing the plant’s efficiency. Jenna Evans, PurposeEnergy’s global sustainability manager, emphasized that this project reinforces Ben & Jerry’s commitment to environmental sustainability, offering a long-term solution for organic waste management.

By reducing road traffic, lowering greenhouse gas emissions, and decreasing phosphorus pollution, the facility marks a significant step towards a more sustainable future. Other regional food producers, such as Casella and Evergreen Services, are also contributing waste to the plant, indicating its growing influence in the area. The plant’s success could make the St. Albans Industrial Park an attractive hub for other food manufacturers seeking sustainable waste disposal solutions.

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Investment and Impact

The PurposeEnergy facility was developed with funding from Quinbrook Infrastructure Partners, a specialized investment manager focused on renewable energy. Officially opened in December 2024, the plant quickly began exporting electricity to the state grid. This initiative marks PurposeEnergy’s most significant project since its acquisition by Quinbrook in April 2023.

By integrating waste management and renewable energy production, the facility serves as a model for similar initiatives worldwide. If successful, this model could be replicated to help food producers reduce emissions and convert waste into clean energy. The facility not only highlights the potential for innovative waste solutions but also underscores the importance of strategic investments in renewable infrastructure.

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Expanding the Model

The success of the plant in St. Albans presents an opportunity to expand this model to other regions. Built on land from the Franklin County Industrial Development Corporation, the facility represents a new direction for waste management and renewable energy in Vermont. The integration of multiple food producers into this system enhances its sustainability and economic viability.

As more companies join this initiative, the potential for reducing emissions and promoting clean energy grows. PurposeEnergy hopes that this centralized solution will inspire other food manufacturers to adopt similar practices. By providing a ready-made, sustainable waste disposal and energy system, the plant can serve as a blueprint for future projects. This approach could revolutionize how industries handle waste and contribute to a more sustainable world.

The innovative collaboration between Ben & Jerry’s and PurposeEnergy demonstrates the power of industrial symbiosis in creating sustainable solutions. By turning food waste into renewable energy, the facility not only reduces environmental impact but also boosts local economies. As other companies consider similar initiatives, what other industries could benefit from adopting such a sustainable approach to waste management?

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