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Iris Glen Landfill Gas to Energy Facility
Johnson City, Tennessee
Project Background
Energy Systems Group (ESG) designed,
engineered, installed and funded the
innovative Iris Glen Landfill Gas to Energy
Facility in Johnson City, Tennessee. ESG
also continues to operate and maintain the
facility. Processed landfill gas is transported
through a four (4) mile dedicated
pipeline built and operated by ESG to the
Mountain Home Veterans Administration
Hospital. This project serves two main
clients and over 2,000,000 square feet
of facilities with waste to energy gas.
The landfill gas is used as a one-for-
one replacement of natural gas which
is used to generate steam, electricity
and chilled water for the VA complex.
ESG was one of the first companies to utilize
this innovative gas clean up technology
to process landfill gas into a high quality
natural gas resource. The project has won
several awards and national recognition.
• SolidWaste Association of North America
(SWANA) Bronze Excellence in Solid
Waste Management Award in Landfill Gas
• 2007 Governor’s Award for Excellence in
Energy Leadership
• Landfill Methane Outreach Program
(LMOP) 2007 Project of the Year Award
Strategies & Solutions
This project is one of the most effective
applications of waste to energy
technology developed in the country and
is becoming a model for other projects
to follow. The project has won numerous
awards and national recognition.
This innovative project is being funded
entirely by ESG with no cost or debt to the
City of Johnson City, TN. The anticipated
annual revenue to the city is approximately
$500,000+ per year and this amount
will grow over the life of the project.
Key Installed Technologies
• Four miles of underground gas pipe
• Automated metering technology
• Digital control/supervision of the
entire system
This project is a tremendous
credit to the foresight of the
City, to the active involvement
of the Mountain Home
Veterans Administration
as end-users of the ‘green’
energy, and to the innovative,
technical approach by our
partner, ESG.”
Phil Pindzola,
Director of Public Works, City of
Johnson City, TN.
ESG is an award-winning energy services company that provides its customers with
innovative energy efficiency, technology, and long-term financing solutions for
modernization of their facilities and energy infrastructure.
© 2012 Energy Systems Group, LLC. All rights reserved.