PUR removal United States Documentazione completa General Methodology v2.0

V-Grid Energy Systems

PUR-672804 ↗

4.3 / 10

Integrity

5.2

Transparency

3.3

Claim Safety

5.0

Documentation

2.6

Score Breakdown

Integrity

verified The verification report (2024-04-03) indicates additionality was assessed using an investment test and confirmed by the VVB, with no material findings or corrective actions reported.

missing Leakage and permanence risk controls (e.g., leakage deduction/justification, buffer pool, reversal events) are not found in the extracted record.

Transparency

verified A VVB is identified (350Solutions) and the monitoring/crediting period is clearly stated (2023-01-01 to 2024-02-29) in the verification record.

missing Claimed vs verified removals are not found in the extracted record, and MRV details like biochar use/usage monitoring are not found.

Claim Safety

verified The project is explicitly not CORSIA-eligible in the extracted record, reducing aviation-claim channel risk.

missing Over-crediting risk cannot be well assessed because key quantification inputs/outputs (verified removals, leakage, permanence provisions) are not found and there are document contradictions.

Documentation

missing Minimum extraction confidence is low, indicating at least one key document was poorly readable and lowering reliability of extracted facts.

missing Evidence document titles are not provided (listed as "unknown"), and contradictions suggest inconsistent documentation across years.

Detailed Analysis

Integrity

The verification report dated 2024-04-03 indicates additionality was assessed via an investment test and confirmed by the VVB, and it reports no material findings and no corrective actions. However, the extracted record does not include any leakage deduction or leakage justification, which is important for biomass/biochar supply-chain and market effects. Permanence risk management is also unclear because buffer pool contribution and any reversal provisions/events are not found in the extracted record, so integrity is scored mid-range with a conservative penalty for missing risk controls.

Transparency

The extracted record provides a named VVB (350Solutions) and a clearly defined monitoring/crediting period (2023-01-01—2024-02-29) from the verification report (2024-04-03). But the claimed and verified total removals are not found in the extracted record, preventing a basic reconciliation of what was issued versus what was measured. Key MRV descriptors (such as how biochar end-use/usage is monitored) are also not found, reducing transparency.

Claim Safety

The project is stated as not CORSIA-eligible, which lowers the risk of high-profile aviation-related claims being made on top of these credits. Nonetheless, claim safety is constrained by missing quantification outputs (no claimed/verified totals found) and missing leakage and permanence provisions, which increases uncertainty around over-crediting risk. The CCP status is not found in the extracted record, leaving additional market-claim signaling unclear.

Documentation

Although six documents were used, the evidence document list contains only "unknown" entries, limiting traceability to specific sources. Minimum extraction confidence is low, indicating at least one key document was poorly readable and increasing the chance of missed or mis-extracted critical parameters. The absence of quantified results (claimed/verified totals) and missing core methodological parameters in the extracted record further suggests documentation gaps for scoring purposes.

Overall

I privileged the more recent 2024-04-03 verification record where it conflicts with a 2022 document: it indicates safeguards are mentioned and additionality is confirmed by the VVB, whereas the older record suggests the opposite. Even with that choice, the presence of contradictions itself reduces confidence and therefore lowers the overall score. Separately, major evidence gaps remain (no claimed/verified removals, no leakage treatment, no buffer/persistence provisions found), and the low extraction confidence further depresses documentation and transparency; note that a documentation score below 3.0 would trigger a post-processing cap on transparency under the stated gate rules.

Audit Analysis

This Puro biochar removal project has some integrity positives (a VVB is named and the latest verification record indicates an investment-test additionality assessment with no material findings). However, key quantification and risk-management elements (verified removals, leakage treatment, permanence/buffer approach) are not found in the extracted record, and low extraction confidence plus contradictions across documents reduce reliability.

Project Description

VGrid Energy Systems, Inc. is helping to solve some of the world's most difficult environmental problems. First, the company’s proprietary and patented technology transforms organic matter, such as waste from agricultural and forestry operations, into clean and sustainable energy. This energy can take the form of electricity, biofuel, hydrogen, or thermal energy production. Second, as part of VGrid’s innovative process, biomass is converted into a highly stable, porous, and pure form of carbon called biochar which is sequestered in the soil. VGrid biochar stabilizes the carbon from the biomass for generations, rather than quickly releasing it back into the atmosphere if left to die and decompose. In this way, VGrid effectively stops the natural carbon cycle to offset CO2 that is artificially pumped into the atmosphere from the burning of fossil fuels. In addition to sequestering carbon, biochar addresses several other critical environmental issues. With its high porosity and large surface area-to-volume ratio, VGrid’s biochar significantly improves the water retention and microbial activity in the soil, helping to mitigate the impact of drought and naturally improve the long-term health and productivity of decimated soils. Biochar is also a natural filtration media helping to capture contaminates in water runoff, solid waste leachate, and other areas of point-source pollution. Additionally, biochar enhances the quality of compost, while accelerating the composting process and reducing GHG emissions. Finally, VGrid’s biochar has been shown to improve animal and livestock health as a feed supplement or as an animal bedding deodorizer. Third, VGrid’s bioenergy process also produces a unique bio-condensate, which is sometimes called wood vinegar or pyroligneous acid. VGrid’s wood vinegar contains natural ‘signaling compounds’ that stimulate seed germination and plant development leading to increased vigor, branching, and productivity. It also helps balance Ph levels

Red Flags

Verified and claimed removal totals are not found in the extracted record, limiting confidence in credit quantity.
Leakage treatment (deduction and justification) is not found in the extracted record for a biomass/biochar pathway.
Permanence risk management (e.g., buffer pool or reversal provisions) is not found in the extracted record.
Contradictions across documents on whether safeguards and VVB-confirmed additionality are present, alongside low extraction confidence.

Credit Vintages Exhausted

		Issued	Retired	Available
2022		29	29	0
Total		29	29	0

Cosa migliorerebbe questo punteggio

Provide the verified and claimed total removals for the monitoring period, with a clear reconciliation table in the verification/monitoring documentation.
Disclose leakage assessment (deduction percentage and justification) and permanence risk management (e.g., buffer pool contribution or equivalent reversal provisions) with explicit references to the applicable Puro methodology sections.

Questi suggerimenti indicano quali prove pubbliche aggiuntive potrebbero migliorare il livello di confidenza di questa valutazione. Non garantiscono un punteggio futuro più alto.