Advance One
Alcoa Gas Producers, LLC

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Alcoa Gas Producers, LLC:
Landfill-Gas-To-Energy Project

Project Location:
Friendsville, TN - Alcoa/Maryville/Blount County

LF Owner:
City of Alcoa, City of Maryville, Blount County Tennessee

Installation of a LFG to Energy project that utilizes a Caterpillar 3516A+ genset capable of producing 1.0 mW of electricity constructed by Advance One Development, LLC.

The GCCS consists of 46 total LFG extraction components, including 37 vertical extraction wells, 8 leachate cleanout pipes, and 1 horizontal well. It was initially installed in 2010, with an additional expansion in 2014. The 2014 expansion involved 13 replacement wells and 2 new wells in an active cell. Around 70% of the Class I disposal areas have physical wellfield coverage, with well spacing averaging 150 to 200 feet. A 2016 expansion added four more vertical wells and five horizontals.

Scope of Work:

  • Construct Gas Collection and Control System (GCCS) loop around landfill with 18”, 10” and 8” HDPE header lines
  • 30 vertical gas wells, 5 leachate cleanout tie-ins, and 2 condensate sumps
  • Installed a Caterpillar 3516A+ engine