An environmental resource for East Tennessee Businesses

Plant converts landfill gases to energy

Alcoa Gas Producers LLC, an independent company, recently opened its new state-of-the-art gas recovery and power generation plant at the Blount County landfill.

The project allows the company to capture the naturally occurring, mostly-methane gas from underground at the landfill and use it to fuel a powerful engine, which in turn drives an electrical generator.

The company says 95 percent of the recovered gas can be converted to energy, producing enough to power about 1,000 homes. Because the engine runs on methane, it has almost no harmful emissions of its own and generates 1,000 kilowatts of power for every 100 kilowatts it uses.

Alcoa Gas will sell the power to TVA and plans to also sell carbon credits.

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