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GS Solar Thermal - Heat China Documentazione completa General Methodology v2.0

Nanyang Danjiang River Solar Cooker Project Phase I

GS-1611 ↗

5.0 / 10
Integrity
5.4
Transparency
5.0
Claim Safety
4.8
Documentation
4.2

Score Breakdown

Integrity

verified Additionality was confirmed by the VVB using an investment test, which supports the project’s core eligibility claim.

missing The baseline is project-specific rather than a clearly standardized or jurisdictionally reassessed baseline, and the verification report required corrective action on the ER value.

Transparency

verified The monitoring period, VVB name, and usage monitoring approach are stated, and the project has a documented grievance mechanism and FPIC.

missing Total verified emission reductions are not stated in the extracted record, and the extraction confidence is low, which reduces documentation clarity.

Claim Safety

verified Leakage is treated as negligible with a zero percent deduction, which is favorable for a cookstove-type project.

missing The assumed usage rate of 90% is much higher than the verified rate of about 76.7%, and the report flags inconsistency with the CDM verified ER value.

Documentation

verified Multiple official document types were used, including a verification report, monitoring report, PDD, and appendix.

missing The extraction confidence is low, several key fields are missing, and the record contains multiple contradictions that reduce reliability.

Detailed Analysis

Integrity

The verification report from Shenzhen CTI International Certification Co., Ltd. confirms additionality through an investment test, which is a meaningful positive signal. The project also states a zero percent leakage deduction and says there is no leakage, but the baseline is project-specific and the report required corrective action to align the ER value with the CDM monitoring report. Reversal risk is not well documented because reversal events are marked as not addressed in the verification report, even though a separate monitoring report says none were reported.

Transparency

The record identifies the monitoring period, the VVB, and an annual survey as the usage monitoring method, which helps traceability. At the same time, total verified emission reductions are not stated in the extracted record, and the minimum extraction confidence is low, so some source material was difficult to read. The presence of FPIC, a grievance mechanism, and benefit sharing improves openness, but the overall reporting completeness remains moderate rather than strong.

Claim Safety

Claim safety is weakened by the large gap between the assumed usage rate of 90% and the verified usage rate of about 76.7%, which raises over-crediting concerns. The verification report also says the achieved emission reductions in the monitoring period were not consistent with the CDM verified ER value, and corrective action was required. Leakage treatment is favorable because the project states a negligible leakage justification and a zero percent deduction, but the usage discrepancy still limits confidence in the claimed climate benefit.

Documentation

The evidence base is reasonably broad, with a verification report, monitoring report, PDD, and appendix all listed among the documents used. However, the extraction confidence is low, and several important fields are missing or not stated, including verified total ERs and some baseline and permanence details. The contradictions around leakage justification, usage rates, reversal handling, monitoring method, and crediting period further reduce documentation quality.

Overall

I privileged the more recent and more specific verification-report values where conflicts existed, such as the 2020 verification report’s leakage treatment and ER correction, while noting that the monitoring reports provide useful but sometimes conflicting context. The contradiction on leakage is important: one earlier document reportedly quantified leakage, but the later verification report says leakage is negligible, so I gave more weight to the later verification report because it is the higher-priority assurance document. The usage-rate contradictions are also material: the verified rate around 76.7% is more credible than the 90% assumption because it is directly tied to monitoring evidence, and this lowers claim safety. Overall, the project looks workable but not high confidence due to inconsistent records, low extraction confidence, and unresolved documentation gaps.

Audit Analysis

The project has some positive integrity signals, including VVB-confirmed additionality, a stated investment test, FPIC, and a grievance mechanism. However, the record also shows documentation inconsistencies, a project-specific baseline, and a large gap between assumed and verified usage rates, which weakens confidence in the claimed reductions.

Project Description

Developer: Sirreon Technology & Development (Beijing) Co.,Ltd Type: Solar Thermal - Heat Size: Small Scale Methodology: AMS-I.C. Thermal energy production with or without electricity Crediting period: 2012-05-02 → 2017-05-01 Estimated annual credits: 90204 tCO2e SDGs: Goal 13: Climate Action, Goal 1: No Poverty, Goal 7: Affordable and Clean Energy, Goal 8: Decent Work and Economic Growth, Goal 3: Good Health and Well-Being

Red Flags

  • The assumed usage rate of 90% is materially higher than the verified usage rate of about 76.7%, suggesting possible over-crediting risk.
  • The verification report notes that the achieved emission reductions were not consistent with the CDM verified ER value, and several corrective actions were required.

Credit Vintages

Issued Retired Available
2013
83,174 0 83,174
2014
68,224 0 68,224
2016
67,116 0 67,116
2017
86,216 0 86,216
2018
4,800 0 4,800
2019
75,807 0 75,807
2020
68,747 0 68,747
2021
60,715 50,000 10,715
2022
17,206 400 16,806
Total 532,005 50,400 481,605

Cosa migliorerebbe questo punteggio

  • Provide a clean, reconciled monitoring and verification table showing claimed versus verified ERs, usage rates, and the basis for any corrections.
  • Publish a clearer permanence and leakage narrative, including how reversal risk is managed and why the later leakage treatment supersedes the earlier quantified approach.

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 investment test

Permanence

reversal risk not clearly addressed

Leakage

zero deduction with negligible justification

Baseline

project baseline, reassessment timing unclear

Safeguards

FPIC and grievance mechanism documented

Double-claim

CORSIA/CCP status not stated

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Analysis Provenance Scored 2026-04-17 General Methodology v2.0 Documentazione completa

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