Lankao Geothermal Based Space Heating System

Integrity

Additionality was confirmed by the VVB (CTI Certification) and an additionality test is documented (combined test in the PDD), which supports baseline credibility (verification report). However, the baseline methodology itself is not stated in the extracted record and buffer pool percentage is not provided, so permanence protections are unclear. Leakage is said to be 'quantified' in the monitoring report (monitoring report, 2024-02-22) but earlier validation documents did not address leakage (validation report, 2024-02-26/2023-10-30), reducing confidence in leakage treatment. Seventeen corrective action requests were raised and closed (monitoring report), which indicates some oversight but also prior deficiencies.

Transparency

The project provides several core documents (PDD, monitoring report, validation, issuance) and a clear monitoring period (2021-11-15 — 2023-03-18) per the monitoring report (2024-02-22). The VVB is named (CTI Certification). However, critical quantitative disclosure is missing from the extracted record: the baseline method is not stated, grid emission factor and verified emission reductions totals are not included, and buffer pool percentage is not reported. Extraction confidence is high, so these are genuine gaps in public documents rather than extraction issues.

Claim Safety

CORSIA eligibility is listed as false in the extracted facts, which reduces double‑claim risk. There is a leakage justification described as quantified in the monitoring report (2024-02-22), which is positive, but this is contradicted by a validation document that indicated leakage was not addressed (validation report, 2024-02-26). The additionality test type is inconsistent across documents (PDD reports a combined test; issuance states an investment test), which raises a moderate risk of over‑crediting or weak additionality argument if the more recent issuance reflects a different interpretation.

Documentation

Evidence consists of multiple document types (PDD, monitoring report, validation report, issuance) and ten documents were used; extraction confidence is high. The monitoring report is dated 2024-02-22 and the validation documents include later dates, so recency is reasonable. Nevertheless, several contradictions across documents (safeguards, FPIC, benefit sharing, additionality test type, leakage) and missing baseline/method figures reduce the score for documentation completeness.

Overall

I privileged the most recent and authoritative documents where contradictions exist: where monitoring report (2024-02-22) and validation report (2024-02-26) disagree with earlier validation (2023-10-30) I give greater weight to the later validation and monitoring reports; where issuance (2024-04-19) contradicts the PDD (2023-04-24) on additionality test type I gave deference to the issuance as the most recent official registry action but noted that the VVB still confirmed additionality. Specifically: (1) safeguards and FPIC are inconsistently reported between the 2023-10-30 validation and later validation/monitoring—privileged the later validation/monitoring that state safeguards/FPIC present; (2) additionality test type is inconsistent (PDD: combined; issuance: investment) — privileged issuance as most recent but flagged as a reliability concern; (3) leakage is described as quantified in the monitoring report but validation earlier did not address leakage — privileged the monitoring report for leakage quantification while noting the validation gap. These contradictions reduce confidence in reported figures and lower scores across dimensions. The weighted scores result in an overall 5.3 (moderate quality), reflecting confirmed additionality but missing baseline details and document inconsistencies.