GS1247 VPA 134 Zoba Maekel Community Boreholes
Score Breakdown
Integrity
verified Additionality was confirmed by the VVB, and the baseline was reassessed in 2024 under the project methodology.
missing Leakage handling is disputed across documents, and the latest extracted record says it was not addressed despite a 5% deduction appearing elsewhere.
Transparency
verified The monitoring period is stated, the verifier is named, and the report includes quantified usage and FNRB inputs.
missing Total claimed and verified emission reductions are not found in the extracted record, and the extraction confidence is low.
Claim Safety
verified The project uses a recent baseline reassessment and a quantified leakage deduction, which helps reduce over-crediting risk.
missing Verified usage of 77% is below the assumed 90%, and the verifier raised concerns about seasonality and downtime transparency.
Documentation
verified There are many extracted facts and the verifier issued and closed corrective actions, showing active review.
missing The extraction confidence is low, and the verifier still required follow-up on repair dates, maintenance roles, and seasonal usage effects.
Detailed Analysis
Integrity
The project has a reasonably strong additionality signal because the verification report confirms additionality through a combined test and the VVB signed off on it. Baseline validity is helped by a 2024 reassessment, but the baseline remains project-specific rather than clearly standardized. Leakage is a concern because one extracted record shows a 5% deduction, while the contradiction log says a later document treated leakage as not addressed; I privileged the latest validation report for reliability, but the inconsistency lowers confidence. Reversal risk is also not well documented, with reversal events described as not addressed rather than clearly absent.
Transparency
The monitoring period, verifier identity, methodology version, and key usage/FNRB inputs are available, which supports moderate transparency. However, total emission reductions claimed and verified are not found in the extracted record, so the core issuance outcome cannot be checked from the provided facts. The low extraction confidence further weakens documentation visibility. The verifier also raised multiple corrective actions, suggesting the monitoring package was not fully transparent on operational details.
Claim Safety
Claim safety is mixed. The project benefits from a recent baseline reassessment and a quantified leakage deduction, but the contradiction log shows leakage treatment changed across documents, which is a reliability concern. Verified usage of 77% is materially below the assumed 90%, and the verifier asked for seasonality to be included in future surveys, implying the usage model may overstate performance. No clear CORSIA or CCP status is stated, so dual-claim risk cannot be ruled out from the extracted record alone.
Documentation
Documentation quality is limited by low extraction confidence and the fact that only an unknown evidence document is listed, even though many facts were extracted. The verifier report does show material findings and several corrective actions, which is useful, but it also indicates unresolved transparency issues around repair dates, downtime recording, and maintenance responsibilities. The crediting period is recent, but the monitoring evidence appears incomplete relative to the questions needed for a high-confidence assessment.
Overall
Overall, this is a mid-quality project with some real strengths but enough uncertainty to keep the score moderate. I privileged the latest validation report where contradictions existed, especially for leakage, benefit sharing, reversal handling, and FNRB method, because it is the most recent document in the record; however, the presence of conflicting values across documents materially reduces reliability. The low extraction confidence and unresolved verifier comments justify a cautious assessment, and the project would score better only if the contradictory MRV inputs were reconciled and the missing issuance data were made explicit.
Audit Analysis
The project has some positive integrity signals, including VVB-confirmed additionality, a recent baseline reassessment, and a quantified leakage deduction. However, several key items are weakly documented or internally inconsistent, especially around leakage treatment, reversal handling, and usage assumptions, which raises over-crediting risk. Documentation quality is also limited by low extraction confidence and multiple corrective actions from the verifier.
Project Description
Developer: CO2balance UK ltd Type: Energy Efficiency - Domestic Size: Micro Scale Methodology: GS TPDDTEC v 1. Crediting period: 2017-12-08 → 2027-12-07 Estimated annual credits: 10000 tCO2e SDGs: Goal 5: Gender Equality, Goal 13: Climate Action, Goal 3: Good Health and Well-Being, Goal 6: Clean Water and Sanitation
Red Flags
- Leakage treatment is inconsistent across documents, with one record saying it was quantified and the latest extracted record saying it was not addressed.
- The verification report required follow-up on repair timing, maintenance transparency, and seasonality in the usage survey, indicating material MRV weaknesses.
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2017 | 538 | 538 | 0 | |
| 2018 | 10,000 | 10,000 | 0 | |
| 2019 | 5,623 | 5,623 | 0 | |
| 2020 | 5,226 | 2,468 | 2,758 | |
| 2021 | 5,510 | 2,451 | 3,059 | |
| 2022 | 6,387 | 2,661 | 3,726 | |
| 2023 | 10,000 | 9,800 | 200 | |
| 2024 | 10,000 | 2,600 | 7,400 | |
| Total | 53,284 | 36,141 | 17,143 |
Cosa migliorerebbe questo punteggio
- Publish a reconciled MRV package that clearly resolves the leakage, FNRB, usage-rate, and crediting-period contradictions across documents.
- Provide the claimed and verified emission reduction totals, plus a transparent monitoring annex covering downtime, repair dates, seasonality, and reversal handling.
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
VVB-confirmed test
reversal handling unclear
conflicting leakage treatment
project baseline, reassessed in 2024
FPIC and grievance mechanism present
CORSIA/CCP status not stated
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