Prince William County Landfill Renewable Natural Gas Facility
Working together for cleaner air and cleaner communities
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Prince William County and OPAL Fuels are working together to install a state-of-the-art Renewable Natural Gas (RNG) facility at the Prince William County Landfill in Manassas, Virginia.
Project Overview
Landfills generate landfill gas (LFG), which is comprised of 50% methane. Methane is a greenhouse gas that is a primary contributor to climate change. However, when LFG is captured through an engineered gas collection system and controlled via a treatment technology, the harmful impacts of methane are mitigated.
Compared to the existing energy system, this RNG project is greatly more efficient and will eliminate virtually all harmful pollutants, including carbon monoxide, sulfur and nitrogen oxides, and volatile organic compounds.
At full output, the new facility will produce approximately 12.4 million gas gallon equivalents (GGE) of RNG per year. This RNG will be used to fuel vehicles or power homes and businesses – replacing fossil fuels such as diesel and fossil natural gas – resulting in many additional environmental benefits.
What are the benefits?
RNG reduces damaging greenhouse gas emissions (GHG). Not only will the RNG produced at this new facility replace fossil fuel derived natural gas, but will also deliver the following environmental benefits:
Converting harmful methane
to beneficial RNG
- RNG projects convert 95% of the captured methane in LFG to RNG and can be used as vehicle fuel or to power homes and businesses. The existing power project is less than 35% efficient at converting the landfill gas to energy.
Minimizing gas combustion at the landfill, reducing air pollutant emissions that impact the surrounding community
- Landfill emissions are reduced because the RNG plant converts the Landfill Gas (LFG) into RNG and transports it offsite for beneficial use.
- The captured LFG will be converted and processed onsite, significantly reducing the need for combustion of LFG at the landfill.
- The facility will reduce by well over 90% the emissions of pollutants like carbon monoxide (CO), sulfur oxides (SOx), nitrogen oxides (NOx), and volatile organic compounds (VOC) at the landfill.
Substantially reducing greenhouse gas (GHG) emissions
- The total equivalent emissions reduced will be approximately 89,000 tons/year of CO2.
- Using RNG in vehicles is equivalent to avoiding GHG emissions from approximately 950 heavy duty trucks.
