Guyuan Wuhuaping 49.5 MW Wind Power Project
Score Breakdown
Integrity
verified additionality confirmed by the VVB (CTI Certification) via an investment test (monitoring report, 2023-12-29)
missing no buffer pool percentage stated and baseline reassessment not found (baseline reassessed not stated; buffer pool not found)
Transparency
verified named VVB and recent monitoring period provided (CTI Certification; monitoring report 2023-12-29)
inferred ✗ contradictory and inconsistent ERR/verification figures between validation reports (154,359 in a 2024 validation report vs 231,752 in a 2021 validation report) which undermines data reliability
Claim Safety
verified CORSIA-ineligible explicitly stated (monitoring report record)
missing leakage not addressed in the latest monitoring report though earlier validation reported quantified leakage, raising over-crediting risk
Documentation
verified multiple evidence documents available including PDD, monitoring report, validation report and issuance; 24 documents used and high extraction confidence
inferred ✗ contradictions in several fields across documents (safeguards, grievance mechanism, FPIC, benefit sharing, ERR figures, crediting period) reduce reliability
Detailed Analysis
Integrity
Additionality is confirmed by the VVB and an investment test is documented in the monitoring report (2023-12-29). The project uses ACM0002 (project baseline) and reports a grid emission factor (1.05485) but the baseline reassessment date is not stated in the available record. No buffer pool percentage is provided in the extracted documents. There are no material findings or corrective actions reported in the monitoring report, but the lack of leakage treatment in the latest monitoring report is a material omission.
Transparency
A named VVB (CTI Certification) and a clearly stated monitoring period (2021-12-01 — 2023-05-31) increase transparency; evidence documents include PDD, monitoring and validation reports and issuance records with 24 documents used and high extraction confidence. However, major contradictions in reported ERR/verification totals between validation reports (154,359 in a 2024 validation report vs 231,752 in a 2021 validation report) and inconsistent reporting of safeguards/grievance/FPIC decrease data reliability.
Claim Safety
The project is stated to be CORSIA-ineligible which lowers double-claim risk, but CCP status is not provided. The latest monitoring report indicates leakage was 'not addressed' whereas an earlier validation report documented quantified leakage — this inconsistency raises over-crediting risk. The mismatch between total ERR claimed (86,949) and verified totals (values inconsistent, including 154,359) further elevates claim safety concerns.
Documentation
Documentation is relatively complete: monitoring report dated 2023-12-29, multiple supporting documents including validation and issuance, and high extraction confidence. The VVB is identified and no material findings or corrective actions were extracted. Nevertheless, contradictory statements across documents (safeguards, grievance mechanism, FPIC, benefit sharing, ERR figures, and crediting period) mean documentation quality is mixed and requires reconciliation.
Overall
I privileged the most recent monitoring and validation documents where contradictions occurred unless an earlier document provided a specific quantified method that the later document omitted. Specific contradictions and how they were treated: (1) leakage_justification — the monitoring report (2023-12-29) states leakage was not addressed, while the validation report (2020-03-15) recorded quantified leakage; I prioritized the monitoring report for current practice but downgraded scores because this suggests treatment was removed or omitted. (2) safeguards/grievance/benefit sharing/FPIC — older monitoring entries (2010-12-01) reported these as not present while the recent monitoring report (2023-12-29) documents them as present; I privileged the recent monitoring report for current status but note the inconsistency reduces trust. (3) total_err_verified — conflicting values in validation reports (154,359 in a 2024 validation report vs 231,752 in a 2021 validation report); I privileged the most recent validation (2024-02-01) but lowered scores because this discrepancy indicates data reliability problems. (4) crediting_period — differing start year (2019 vs 2009) across monitoring reports; I used the most recent monitoring report value (2019–2029) as authoritative but flagged the inconsistency. These contradictions reduce confidence and led to conservative scoring: integrity and claim safety were lowered to reflect potential over-crediting/leakage risk and transparency/documentation scores were reduced for inconsistent reporting.
Audit Analysis
The project shows a plausible additionality determination and has recent monitoring documentation and an identified VVB, but several important gaps and contradictions reduce confidence — notably inconsistent ERR/verification figures and a lack of a clear leakage treatment in the latest monitoring report. Overall the project is moderate quality but requires reconciliation of contradictory records and clearer leakage/buffer treatment.
Project Description
The Guyuan Wuhuaping 49.5 MW Wind Power Project, located in Hebei Province, China, consists of 33 wind turbines with a total installed capacity of 49.5 MW. The project generates renewable energy and reduces CO2 emissions by avoiding the same amount of emissions that would come from traditional thermal power plants. The electricity is delivered to North China Grid via a 110 kV transmission line.
Red Flags
- Contradictory verified emission reduction figures across validation reports (154,359 vs 231,752)
- Leakage explicitly not addressed in the latest monitoring report despite earlier quantified treatment
- Buffer pool percentage not stated and baseline reassessment not documented
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2009 | 14,584 | 14,584 | 0 | |
| 2010 | 72,365 | 71,353 | 1,012 | |
| 2015 | 38,041 | 38,041 | 0 | |
| 2016 | 128,337 | 96,384 | 31,953 | |
| 2017 | 134,012 | 0 | 134,012 | |
| 2018 | 132,183 | 57,797 | 74,386 | |
| 2019 | 97,948 | 90,000 | 7,948 | |
| Total | 617,470 | 368,159 | 249,311 |
Cosa migliorerebbe questo punteggio
- Provide a reconciled statement and audit trail reconciling the differing verified ERR figures across validation and monitoring reports, and an explanation for the discrepancies.
- Explicitly document leakage assessment/deduction in the latest monitoring report and publish the buffer pool percentage and any baseline reassessment date.
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 investment test
no buffer pct stated
not addressed in latest MR
project-specific baseline, reassessment not shown
inconsistently documented
CORSIA ineligible; CCP status not stated
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