How anaerobic digestion works

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Farmer-focused,
farmer-first

Our farmers are an integral part of helping us Reimagine Waste—they care as much about the environment as we do, which is why we’re proud to partner with various farmers throughout the nation.

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Organic waste—reimagined

At Brightmark, we capture the methane released from organic waste and convert it into renewable natural gas, better known as “RNG.”

Organic waste has evolved into a resource we can use for various new things—including heating our water, powering our homes, and running our cars—all helping lower greenhouse gas emissions and protect the planet.

By working with prominent farmers all over the United States, we started to create renewable natural gas. This renewable power was consciously developed with nature and the world around us in mind.

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Reimagining organic waste

 

“With Brightmark, we now generate energy that was being wasted before—we are preventing waste and creating usable products.”

 

– John Morris // Pilgrim’s Complex Environmental Manager // Pilgrim’s

CARB certified

Our renewable natural gas projects decrease the carbon intensity of transportation fuels and are California Air Resources Board (CARB) certified.

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EPA certified

Our Helios, Yellowjacket, Augean, and Demeter renewable natural gas projects participate in the Renewable Fuel Standard Program—reducing greenhouse gases and expanding the nation’s renewable fuels sector.

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How renewable natural gas is made

Renewable natural gas (RNG) is natural gas produced from organic waste like food waste and animal plant-based materials. The significant sources of RNG are landfills, animal manure, and solid waste extracted during wastewater treatment. The gas is considered “renewable” because it is created by continuously produced waste and is naturally occurring as part of the decomposition process. Anaerobic digestion technology captures raw biogas, cleans, upgrades, and compresses it into RNG.

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STEP 1
Dairy, food and other organic waste are collected from the farm.
To date we've offset
tons of C02 through our RNG projects

Our projects

The Demeter Project
RNG Projects
The Vlot Project
RNG Projects
The Full Circle Project
RNG Projects
The Mill Valley Project
RNG Projects
The Crossroads Project
RNG Projects
The Legacy Project
RNG Projects
The Black Soil Project
RNG Projects
The Kirkman Project
RNG Projects
The Roorda Project
RNG Projects
The Van Ess Project
RNG Projects
The Yellowjacket Project
RNG Projects
The Sumter Project
RNG Projects
The Sobek Project
RNG Projects
The Helios Project
RNG Projects
The C Dairy Project
RNG Projects
The Castor Project
RNG Projects
The Caballero Project
RNG Projects
The Augean Project
RNG Projects
The Athena Project
RNG Projects
The SunRyz Project
RNG Projects
The Meadow Rock Project
RNG Projects
The Red Arrow Project
RNG Projects
The Demeter Project
RNG Projects
The Vlot Project
RNG Projects

Reducing greenhouse gas emissions

Renewable natural gas offers myriad climate benefits throughout its life cycle compared to traditionally captured gas and other fuels, drastically reducing the greenhouse gases (GHGs) associated with agriculture and wastewater treatments. During anaerobic digestion, methane is captured as biogas and converted rather than released directly into the atmosphere. When used in vehicles, natural gas emits 6% to 11% lower GHGs than gasoline throughout the fuel life cycle. Research shows that when climate benefits are considered together, RNG from dairy manure can reduce GHG emissions up to 400% when replacing traditional vehicle fuels.

Year to date we've offset tons (literally) of CO2

Oh, did we mention we’re just getting started? See where we’ve been and where we’re heading.

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