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GS Energy Efficiency - Domestic Brazil Documentazione completa General Methodology v2.0

Efficient Cookstoves in Bahia III

GS-1059 ↗

5.8 / 10
Integrity
6.4
Transparency
5.2
Claim Safety
5.8
Documentation
5.6

Score Breakdown

Integrity

verified The monitoring report confirms additionality was verified by the VVB, and no material findings were reported.

missing Leakage is not addressed, and reversal risk is not discussed; the project uses a project-specific baseline.

Transparency

verified The monitoring report provides a defined monitoring period and a quantified verified usage rate of 98% based on annual surveys.

missing Total ER claims and verifications are not stated, and the VVB name is not found in the extracted record.

Claim Safety

verified The verified usage rate of 98% is strong, and the FNRB value of 0.81 is explicitly stated using a national default method.

missing Leakage justification is listed as not addressed, and the project is not shown to be CCP-approved or clearly outside CORSIA eligibility.

Documentation

verified Two core documents were used, and the monitoring report is recent relative to the 2019 monitoring period.

missing The extraction confidence is high, but the crediting period is contradictory across documents and several safeguard details are not fully specified.

Detailed Analysis

Integrity

The monitoring report states that additionality was verified by the VVB, and it reports no material findings or corrective actions required. On the weaker side, the project uses a project baseline, leakage is marked as not addressed, and reversal events are not addressed, which limits confidence in long-term environmental integrity.

Transparency

Transparency is moderate because the monitoring report gives a clear 2019 monitoring period and a verified usage rate of 98% derived from annual surveys. However, total ER claims and verifications are not stated in the extracted record, and the VVB name is not found, which limits public traceability.

Claim Safety

Claim safety is helped by the high verified usage rate and the explicitly stated FNRB value of 0.81 using a national default method. That said, leakage is not addressed, and the record does not show CCP approval or a clear CORSIA status, so over-crediting and dual-claim risk cannot be ruled out cleanly.

Documentation

Documentation quality is fair but not strong: only two documents were used, and the monitoring report is dated 2020-06-01 for the 2019 monitoring period. The extraction confidence is high, but several fields remain unspecified, including the VVB name, buffer pool, and leakage treatment, and the crediting period is inconsistent across documents.

Overall

The main contradiction is the crediting period: the monitoring report shows 2019-01-01 to an open end, while the PDD states 2018-04-01 to 2028-03-31. I privileged the monitoring report for current operational status because it is the more recent document, but the discrepancy still lowers reliability. Overall, the project looks moderately credible, but unresolved leakage, permanence, and registry-status gaps keep the score below strong territory.

Audit Analysis

This is a cookstove project with some positive MRV signals, including a verified usage rate of 98% and no material findings in the monitoring report. However, key integrity items are weakly documented: leakage is not addressed, reversal risk is not discussed, and the baseline is project-specific rather than clearly standardized or recently reassessed in a way that reduces uncertainty.

Project Description

Developer: Instituto Perene Type: Energy Efficiency - Domestic Size: Micro Scale Methodology: GS Methodology for Improved Cook stoves and Kitchen Regimes v1. Crediting period: 2018-04-01 → 2028-04-01 Estimated annual credits: 7642 tCO2e SDGs: Goal 3: Good Health and Well-Being, Goal 13: Climate Action, Goal 7: Affordable and Clean Energy, Goal 1: No Poverty

Red Flags

  • Leakage treatment is not addressed in the monitoring report, which is a notable gap for a household energy project.
  • The crediting period is inconsistent between the monitoring report and the PDD, which reduces confidence in the documentation trail.

Credit Vintages

Issued Retired Available
2019
6,083 5,962 121
2020
8,929 8,929 0
Total 15,012 14,891 121

Cosa migliorerebbe questo punteggio

  • Publish a clear leakage assessment and, if applicable, a quantified leakage deduction with justification.
  • Resolve the crediting-period discrepancy and disclose the VVB name, registry status, and any CORSIA or CCP eligibility information.

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 additionality

Permanence

No reversal treatment stated

Leakage

Leakage not addressed

Baseline

Project baseline, reassessment timing limited

Safeguards

Partial safeguards documented

Double-claim

CORSIA/CCP status not clearly stated

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Analysis Provenance Scored 2026-04-14 General Methodology v2.0 Documentazione completa

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