South Carolina Begins First Commercial Operation of Renewable Natural Gas Project.

Enerdyne Power Systems, a Landfill Group Company based in Charlotte, North Carolina, successfully launched the Twin Chimneys Power Producers (TCPP) project on March 31. The project, located at the Twin Chimneys Landfill in Honea Path, SC, collects landfill gas and upgrades it into pipeline-quality renewable natural gas (RNG). This achievement marks South Carolina’s first RNG project to reach commercial operations.

Mike Fenton, director of sales and project delivery at The Landfill Group, expressed excitement about the project, stating that it converts methane emitted from the landfill into clean and renewable fuel. The Landfill Group, in collaboration with local government partners, designed the scalable project to ensure a high level of reliability.

Landfill gas, a byproduct of waste decomposition, undergoes a conversion process at the Twin Chimneys Landfill before being injected into the local natural gas system owned and operated by the Greenwood Commissioners of Public Works (Greenwood CPW).

According to the U.S. Environmental Protection Agency (EPA), the environmental benefits of this project will be equivalent to reducing CO2 emissions by more than 66 million gallons of gasoline annually when fully operational.

William Brinker, managing director of the Landfill Group, acknowledged the vital role played by local government support, especially from Greenville County, Greenwood CPW, and the City of Greenville. The Twin Chimneys RNG project represents a significant multi-million-dollar investment in the region with positive environmental and economic impacts on the community.

Enerdyne’s Twin Chimneys project is their second renewable energy endeavor in Greenville County, following the success of the Enoree Landfill project, which has been operational since 2008. The Enoree Landfill project won the EPA’s 2008 Power Project of the Year award, generating renewable electricity from landfill gas to serve local electric utility customers.

Jeff Meredith, general manager of Greenwood Commissioners of Public Works, expressed excitement about being part of South Carolina’s first landfill-to-distribution pipeline RNG project. The collaborative effort between Greenville County, TCPP, and Greenwood CPW aims to make a positive environmental impact and provide value to their customers.

U.S. Energy, a leading provider of refined products, alternative fuels, and environmental credits, was selected as Twin Chimneys’ compliance and credit generation project partner. With numerous RNG pathways accredited by environmental agencies, U.S. Energy manages the project’s participation in clean fuel programs, ensuring compliance and reporting requirements are met.

Bryan Nudelbacher, vice president of business development at U.S. Energy, highlighted the significance of this project in the renewable natural gas community and the increasing demand for RNG. The partnership with Enerdyne aims to supply end-users with RNG while maximizing project impact and return.

The Landfill Group collaborates with LS Power, a company focused on power and energy infrastructure, to jointly develop landfill gas-to-renewable natural gas projects across the United States. Peter Anderson, senior vice president of private equity at LS Power, expressed pride in supporting projects like TCPP that reduce greenhouse gas emissions, drive economic growth, and contribute to the broader energy transition and decarbonization efforts.


  • Samson Adeyemo

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