PurposeEnergy commissions a $40m waste-to-energy facility
PurposeEnergy’s new facility operates in the Route 66 Industrial Park in Minster, Ohio. It receives wastewater and concentrated organic residues through dedicated pipes from Danone USA’s largest yoghurt manufacturing site in the country, as well as from other food and beverage companies in the region.
The plant has a processing capacity of as much as 250,000 gallons of material a day. At full utilisation, PurposeEnergy expects it to generate approximately 50,000 MMBtu of renewable biogas each year. The gas is sent through dedicated infrastructure to a boiler at Danone’s Minster plant, where it replaces conventional natural gas for production heat.
PurposeEnergy estimates that the fuel substitution will prevent about 3,200 US tons of carbon-dioxide equivalent emissions annually. Directly transferring the manufacturing residues to the digestion plant is expected to avoid an additional 720 US tons of CO2e each year, compared with the former off-site handling arrangement.
The installation also performs pre-treatment for wastewater produced by nearby manufacturers. Its process removes excess nutrients and dissolved solids before the remaining water enters Minster’s municipal treatment network. PurposeEnergy said the discharged water is treated to a level above the standards set by the Village of Minster, reducing the volume of high-strength organic material reaching local wastewater infrastructure.
Eric Fitch, PurposeEnergy’s founder and chief executive, said the project demonstrated the company’s role in creating “circularity benefits for food and beverage manufacturing”. He said manufacturers should not have to choose between expanding production and meeting environmental commitments, adding that the site near Danone’s plant provided a solution intended to support both objectives.
Danone said the project forms part of its Danone Impact Journey and its Re-Fuel energy excellence programme. Heiko Gerling, chief operating officer of Danone Americas, said the facility converts organic material from the Minster operation into biogas that can be returned to the plant and used in a new biogas boiler. He described the project as bringing together industrial operators, local infrastructure and community stakeholders around a shared goal.
The PurposeEnergy-Minster facility is operating and increasing its activity. A formal opening event is planned for spring 2027.
