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Republic Services, Aria Energy and bp start up South Shelby LFG to RNG project

In the United States (US), the nation's second-largest recycling and waste services provider Republic Services Inc., energy partners Aria Energy Corporation (Aria Energy) and bp Products North America Inc, a subsidiary of oil and gas major bp plc have announced the startup of a landfill gas (LFG) to renewable natural gas (RNG) project at South Shelby Landfill in Memphis, Tennessee (TN). The project directly supports Republic's commitment to send 50 percent more LFG to beneficial reuse by 2030. 

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Republic Services Inc., Aria Energy Corporation, and bp Products North America Inc have announced the startup of a landfill gas (LFG) to renewable natural gas (RNG) project at South Shelby Landfill in Memphis, Tennessee (TN). The project directly supports Republic’s commitment to send 50 percent more LFG to beneficial reuse by 2030 (photo courtesy Republic Services).

Aria Energy provides engineering, design, construction, operations, and maintenance services for landfill gas (LFG) to energy facilities and currently own and/or operate a diversified portfolio of 41 LFG recovery and processing projects across 17 states, collectively representing 207 MWe of electric capacity and 24 880 MMBtu/day of renewable natural gas (RNG).

Its portfolio includes 26 owned projects that generate electricity and 10 owned projects that produce pipeline-quality renewable natural gas (RNG) or medium Btu gas along with operations and maintenance (O&M) services provided to 5 projects owned by third parties.

The Republic Services South Shelby Landfill (South Shelby) in Memphis, Tennessee (TN) is one of 189 active, modern-day landfills managed by the company. Aria Energy operates the project, processing and purifying the landfill gas (LFG)  into renewable natural gas (RNG).

bp will transport the RNG into the interstate natural gas pipeline grid and market it to renewable energy customers. The project is Aria and bp’s fourth RNG project at a Republic Services landfill.

The South Shelby RNG project upholds our ongoing commitment to converting low carbon fuel sources like landfill gas into clean, useful renewable energy for vehicles, homes, and businesses, said Richard DiGia, President, and CEO of Aria Energy.

With a production capacity of 4 000 MMBtu per day, the South Shelby RNG facility can produce the equivalent of nearly 33 250 (US) gallons (≈ 125 851 litres) of gasoline daily. Across the country, Republic is involved with 69 landfill gas projects.

Renewable energy is a key element of Republic Services’ long-term sustainability platform. We are committed to sending 50 percent more biogas to beneficial reuse in the next 10 years, and projects like South Shelby Landfill will help us meet that goal, said Pete Keller, VP of Recycling and Sustainability at Republic Services.

Landfill gas is produced naturally as organic waste decomposes. The South Shelby RNG project processes the landfill gas into low-carbon RNG, which is an upgraded, methane-rich product that can be used to fuel natural gas vehicle (NGV) fleets, such as Republic’s waste collection trucks.

According to Republic Services, the use of this low-carbon fuel results in approximately 50 percent lower greenhouse gas (GHG) emissions than from equivalent gasoline or diesel-fueled vehicles. The project and purchase of the RNG fuel support federal Renewable Fuel Standards (RFS).

Expanding our renewable natural gas portfolio supports bp’s ambition to become a net-zero company by 2050 or sooner since it further reduces the carbon intensity of our products and can help local governments and cities lower their carbon footprint, said Sean Reavis, SVP, bp low carbon trading.

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