Durable, resource efficient, and scalable carbon removal

Vaulted stores carbon-rich waste in geologic formations with the same features that have kept hydrocarbons underground for millions of years. Vaulted designs its wells to maximize geologic capacity and collects real-time data on geomechanical properties to ensure the carbon is safely contained for thousands of years.

For every tonne of CO₂ we sequester, we emit only 0.05 tonnes of CO₂ (which we subtract from our CDR claim). This CDR efficiency rate is industry leading and tracked via Isometric.

Our CDR process is designed for efficiency at every stage. Slurry injection uses minimal processing and can handle solids instead of needing pure CO₂. Compared to other engineered CDR solutions, Vaulted uses extremely small amounts of energy per tonne of CDR delivered.

Our solution has the potential to deliver at a scale that actually matters for the planet. There is more than enough organic waste and geologic storage to accommodate gigatonne scale CDR using slurry injection—with waste that others can’t use and geologies that aren’t ideal for super critical CO₂ sequestration.

With real co-benefits for communities​

We don’t just remove carbon. We avoid methane emissions and eliminate the harms caused by the organic wastes we source to local land, air, and water.

Delivering at commercial scale today

Leading the durable removals industry in delivered tonnage​

14,423

Tonnes of CO2 removed

Link to Isometric

To industry-leading buyers of carbon removal​

“We’re super excited about Vaulted’s speed to execution, their enormous scale and capacity potential, and the fact that they can get to sub-$100 a ton [in removal cost] in this decade.”

—Hannah Bebbington, Head of Deployment at Frontier

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With clear transparency, using a best-in-class protocol

Measurability is a huge benefit of Vaulted’s approach to CDR. Each step of the process fully measurable — from direct energy meter read outs to carbon sampling of the waste itself.​
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Transparency is critical to building trust and aligning incentives. Measurability means little without sharing what we’ve measured! On the Isometric registry, Vaulted publicly shares underlying evidence and calculations for every tonne of CDR delivered.​

CDR certified by Isometric (ICROA & ICVCM certified)​

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Vaulted permanently stores carbon-rich organic waste using two primary methods: 1) Injection into deep sedimentary rock formations (e.g., TIRE) and 2) Injection into salt caverns (e.g., Great Plains site). Both approaches use the same core geomechanics and well design. In sedimentary rock, injected slurry is absorbed into porous formations sealed by impermeable layers, greatly reducing the risk of leakage. In salt caverns, the structural integrity and impermeability of the formation provide durable, geologic-scale containment—storing CO₂ for 10,000+ years with minimal risk of re-release. 

We intercept organic waste that would otherwise be dumped, incinerated, over-applied on land, or sent to landfills—where it can release methane, CO₂, and pollutants like PFAS. These materials can contaminate groundwater and create air quality problems like odor. By injecting this waste underground, we help communities reduce emissions and protect water sources from contamination. 

PFAS are increasingly found in biosolids, even after treatment. While some land-applied biosolids offer soil benefits, many are applied solely for disposal—introducing PFAS into ecosystems and our bodies. Vaulted provides an effective alternative by permanently isolating PFAS-contaminated biosolids underground, helping reduce community exposure and environmental risk. Read our PFAS literature review 

We follow a rigorous third-party protocol verified by Isometric. Every truckload of organic waste is tracked and analyzed through a full life cycle assessment to determine net CO₂ removal. This data is made publicly available through Isometric’s online registry, so you can see for yourself how much carbon we’re removing every day.