Dereli Hydroelectric Power Plant

Integrity

The validation/verification record indicates additionality was confirmed by the VVB, but the type of additionality test is inconsistent between documents (investment test in the 2015 validation report versus common practice in the 2022 monitoring report). Leakage is deducted at 0%, yet the monitoring reports conflict on whether leakage was assessed ("deemed negligible" in 2022 versus "not addressed" in 2024), which weakens baseline integrity for an avoidance project. No material findings are reported in the extracted record, but the number and nature of corrective action requests suggest MRV control weaknesses that can affect integrity.

Transparency

The monitoring period (2022-01-01—2024-01-09) and a grid emission factor value are provided, supporting basic MRV traceability. However, the total claimed emission reductions are not found in the extracted record, and the verified total is contradictory across validation documents, reducing transparency on what was actually checked and accepted. The monitoring report (2024-09-03) also required multiple corrective actions for inconsistencies with the registered project description and missing annex references, which undermines clarity and reproducibility.

Claim Safety

CORSIA eligibility is explicitly false, which lowers the risk of high-impact aviation claims. Nonetheless, over-crediting/greenwashing risk is increased by conflicting verified ER totals (132,934 in a 2024 validation document versus 41,737 in a 2022 validation document) and by the change in grid emission factor between the PDD (0.65716) and later validation (0.53323) without a clearly reconciled narrative in the extracted record. Leakage treatment is also inconsistent while remaining at 0%, which further elevates claim risk.

Documentation

The extracted record draws on a substantial evidence base (26 documents including PDD, monitoring report, validation report, and issuance) and the minimum extraction confidence is high, supporting a mid-to-strong documentation score. However, the monitoring report (2024-09-03) triggered multiple corrective action requests, including inconsistencies with the registered project description, missing annexes, and formatting/data presentation issues, indicating weaknesses in document quality control. Contradictions on safeguards/FPIC/grievance mechanism between monitoring and validation documents also reduce confidence in the completeness and consistency of the documentation trail.

Overall

Overall quality is moderate because core eligibility elements exist (VCS registration context, VVB involvement, defined monitoring period), but reliability is weakened by multiple cross-document contradictions. For leakage justification, the more recent 2024 monitoring report statement ("not addressed") is privileged over the 2022 monitoring report ("deemed negligible") because it is later and indicates an unresolved gap; this lowers integrity and claim safety. For safeguards/grievance/FPIC, the 2024 validation report statements (showing safeguards/grievance/FPIC as absent) are privileged over the monitoring report because validation is the higher-assurance assessment; this increases safeguards-related risk. For additionality test type, the 2015 validation report (investment test) is privileged over the 2022 monitoring report (common practice) because additionality is primarily established at validation; the inconsistency still reduces confidence. For verified ER totals, the higher 2024 validation figure (132,934) is privileged as the more recent value, but the discrepancy versus 2022 (41,737) is a major reliability red flag and materially depresses transparency and claim safety. For the grid emission factor, the later 2024 validation value (0.53323) is privileged over the 2015 PDD value (0.65716) as it is more recent, but the change without clear reconciliation adds uncertainty. For the crediting period, the monitoring report’s 2014–2024 period is privileged for the assessed monitoring window, while the 2025 validation report’s 2024–2034 period suggests a renewal/extension; the mismatch indicates timeline confusion and reduces documentation confidence.