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CMARKremovalItalyVintage 2024General Methodologyv2.1

CO2 storage following the application of Limenet technology in Augusta site

CMARK-2

#2of 5 in Italy#4of 7 in Carbonmark (CMARK)

4.2/ 10
Integrity
3.5
Transparency
4.0
Claim Safety
4.5
Documentation
5.5

Audit Analysis

This CMARK-registered CO2 storage project (Limenet technology, Augusta, Italy) presents a 10,000-year permanence claim with no buffer pool, no independently verified storage, and no stated additionality test — significant gaps for a removal credit. The ERR figures are internally consistent (14.775 tCO2 claimed and verified for the first monitoring period against a 1,000 tCO2 lifetime estimate), and leakage is quantified at 0.25%, but the overall evidence base is thin and several critical integrity parameters are absent from the available documents.

Red Flags

  • No additionality test type or VVB confirmation of additionality found in any available document
  • Leakage justification contradicts between the PDD (quantified 0.25%) and the methodology (deemed negligible)
  • No Free, Prior and Informed Consent (FPIC) or grievance mechanism documented despite safeguards being mentioned

Credit Vintages

No issuances recorded on the registry.

Il marketplace dichiara i vintage: 2024 (non verificato).

Risk Indicators

Additionality

No additionality test found in any document

Permanence

mixed evidence / unresolved risk

Leakage

0.25% quantified in PDD but methodology says negligible

Baseline

Project-specific baseline, no reassessment date stated

Safeguards

Safeguards and benefit sharing mentioned; no FPIC or grievance mechanism

Double-claim

CORSIA and CCP status both unstated

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Analysis ProvenanceScored2026-09-03General Methodology v2.1

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