Ameresco landfill gas-to-RNG plant operational

Ameresco has achieved commercial operations at its landfill gas-to-RNG plant in Houston, Texas.

The plant, located at Republic Services’ McCarty Road Landfill, has an installed capacity of over 1.1 million dekatherms per year and can process 4,500 standard cubic feet per minute of raw landfill gas.

After breaking ground on the project in the Q2 2020, the Ameresco team successfully navigated the construction challenges and equipment delays associated with COVID-19 and an active hurricane season to reach mechanical completion in early December, and commercial operations in May this year.

The landfill gas-to-RNG project creates clean energy resources for the regional economy and reduces greenhouse gas emissions while contributing to Republic Services’ long-term sustainability goal to beneficially reuse 50% more landfill gas by 2030.

“We are proud of this innovative partnership because it allows us to utilise a natural by-product of the landfill to create low-carbon transportation fuels and other forms of renewable energy,” said Pete Keller, vice-president of recycling and sustainability at Republic Services.

The partnership between Ameresco and Republic Services will result in a reduction of more than 61,000 tons of CO2, which is equivalent to 103,000 passenger cars removed from the roads, 58 gallons of petrol not combusted, or 146,000 acres of pine forest conserved every year over the project life.

Mike Bakas, executive vice-president of Ameresco, said the company is “excited” to bring another RNG facility online.

“By leveraging advanced technologies to transform the raw feedstock into a readily available renewable fuel source, clean energy generated from Republic’s McCarty Road Landfill can now be made available to further reduce our country’s reliance on fossil fuel,” said Bakas.

“We are fortunate to have partnered with Republic Services and U.S. Gain on a project that exemplifies the green energy infrastructure of the future.”

U.S. Gain’s president Mike Koel added: “We applaud Ameresco on their timely completion of the McCarty Road Landfill project, given the hurdles faced.

“We’re excited to take the newly created RNG to the transportation market, satisfying decarbonisation goals for our fleet customers and much-desired air quality improvements for communities throughout the US.”

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