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GS avoidance Mozambique Vintage 2021, 2022 Registry: Certified & crediting Documentazione completa General Methodology v2.0

IMPROVED KITCHEN REGIMES MANICA PROVINCE SAFE WATER

GS-1413 ↗

4.1 / 10
Integrity
4.2
Transparency
4.5
Claim Safety
3.5
Documentation
4.0

Score Breakdown

Integrity

verified Additionality confirmed by the VVB in the verification report (positive for additionality robustness).

missing Reversal risk not addressed and no buffer pool percentage provided; material finding on unsigned surveys reduces confidence.

Transparency

verified Monitoring period and matching total ERs claimed and verified (31,255) are reported in the verification report.

missing VVB identity not provided and minimum extraction confidence flagged as low, reducing transparency of source evidence.

Claim Safety

missing Project marked CORSIA-eligible (double-claim risk) and CCP status not stated (uncertain eligibility control).

inferred Usage monitoring relies on self-report and there are conflicting reported usage rates between documents (reduces confidence in actual emission reductions).

Documentation

verified Multiple documents are listed (validation, monitoring, PDD, verification, stakeholder consultation) and baseline was last reassessed in 2023.

missing Extraction confidence is low, several contradictions exist across documents, and the VVB name is missing.

Detailed Analysis

Integrity

Additionality is confirmed by the verification report (positive). The project uses a project-specific baseline (methodology TPDDTEC, project baseline), which is weaker than a jurisdictional baseline. Leakage is stated as quantified and a leakage deduction of 0% is reported in the monitoring report (2021), but there is a contradictory 5% value in a 2023 record of unknown provenance; this contradiction and the absence of a disclosed buffer pool percentage reduce confidence. Reversal events are listed as not addressed in the available documents, and a material finding (unsigned monitoring survey forms) with corrective actions required further lowers permanence and audit reliability.

Transparency

The monitoring period (2021-07-01 — 2022-06-30) and total ERs claimed and verified (31,255) are provided, and the registry is Gold Standard. However, the independent verifier's name is not stated in the extracted record and minimum extraction confidence is low, which undermines traceability. The FN/RB approach is documented as using a national default (fnrb 0.91 in the verification report), but a highly divergent FN/RB value (78) appears in a 2023 unknown-source entry, creating opacity about which value is authoritative.

Claim Safety

The project is marked as CORSIA-eligible, which raises double-claim risk; CCP status is not stated so dual-channel exposure is uncertain. Usage monitoring is by self-report (verification report), and reported usage rates conflict across documents (e.g., 90% / 0.9 vs 95 in earlier monitoring), reducing confidence in the real-world delivery of claimed reductions. FN/RB and leakage contradictions also increase over-crediting risk.

Documentation

Evidence comes from multiple document types (validation, monitoring, verification, PDD, stakeholder consultation) and baseline reassessment in 2023 is recorded, which is positive. Nevertheless, min_extraction_confidence is low, the VVB is not named in the extracted data, and there are several documented contradictions between reports. The verification report (2021-11-24) lists material findings and corrective actions, indicating gaps that are unresolved in the extracted records.

Overall

I privileged values from named verification and monitoring reports (verification report 2020–2021 and monitoring report 2021) where available because they are primary verification documents; where the only alternative is an entry labeled 'unknown' (2023-06-29) I treated that as lower priority. Specifically: usage rate was treated as 90%/0.9 as reported in the monitoring/verification records rather than the earlier 95% figure; leakage deduction was treated as 0% as per the monitoring report but flagged as uncertain because of a 5% value in an unknown 2023 entry; FN/RB of 0.91 from the verification report was privileged over the implausible 78 from the unknown 2023 entry; benefit-sharing was taken as described in the verification report rather than an earlier monitoring report that indicated no description; usage monitoring method was taken from the later verification report (self-report). These contradictions and the low extraction confidence were explicitly factored into lowering transparency and documentation scores and reduced overall confidence. The weighted overall score (4.1) reflects positive confirmation of additionality and some documented MRV, offset by missing verifier identification, unresolved material findings, contradictory data across documents, low extraction confidence, and unaddressed reversal risk.

Audit Analysis

The project shows some positive elements (additionality confirmed by a VVB, quantified leakage justification, matching claimed and verified ERs) but has important weaknesses: missing VVB identity, unresolved material findings (unsigned survey forms), contradictions between documents, low extraction confidence, and reversal risk not addressed. Overall confidence in issuance and claim safety is limited.

Project Description

The project will support the provision of safe water to hundreds of households within Manica Province using borehole technology. By providing safe water, the project will ensure that households consume less firewood during the process of water purification and as a result there shall be a reduction of carbon dioxide emissions from the combustion process.

Red Flags

  • VVB name not stated in available documents
  • Material finding: monitoring survey forms lack signatures; corrective actions required
  • Contradictory values across documents (usage rates, leakage deduction, FN/RB) indicating data reliability issues
  • Reversal events not addressed in available documents

Credit Vintages

Issued Retired Available
2019
5,301 5,301 0
2020
8,487 8,045 442
2021
5,550 1,767 3,783
2022
5,423 124 5,299
2023
9,930 0 9,930
2024
2,727 0 2,727
Total 37,418 15,237 22,181

Cosa migliorerebbe questo punteggio

  • Provide the name and independence statement of the VVB in public documentation and clarify which verification report values are authoritative.
  • Resolve the material findings: submit signed monitoring survey forms and evidence requested (photos of boreholes), and publish corrective action closure.
  • Clarify leakage deduction and FN/RB discrepancies across documents (publish reconciled figures and source rationale) and address reversal risk (buffer or reversal risk mitigation measures).

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

Risk Indicators

Additionality

VVB-confirmed

Permanence

reversal unaddressed

Leakage

quantified but contradictory

Baseline

project-specific baseline

Safeguards

FPIC/grievance present

Double-claim

CORSIA-eligible

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Analysis Provenance Scored 2026-04-23 General Methodology v2.0 Documentazione completa

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