Doc Cay Hydropower Project

Audit Analysis

The Doc Cay Hydropower Project is a small grid-connected hydro scheme in Vietnam displacing coal-heavy grid electricity, with a straightforward avoidance methodology (AMS-I.D) and no inherent reversal risk. The project's core methodology is sound, but documentation carries 11 administrative material findings and two inter-document contradictions (leakage justification and ERR figures) that reduce confidence in data consistency. Key verification data points—VVB-confirmed additionality, verified ERR totals, and FNRB methodology—are absent from the extracted record, limiting the depth of assurance available.

Project Description

Red Flags

• ⚠Two contradictions between documents: leakage justification differs between the PDD (deemed negligible) and the 2020 monitoring report (quantified), and total ERR claimed differs between two monitoring reports (9,050 vs 44,482 tCO₂e)
• ⚠Additionality test (investment) is recorded but VVB confirmation of that test is not found in the extracted data, leaving the additionality claim unverified in the available record
• ⚠Eleven material findings and eleven corrective actions were raised by the VVB, all administrative but indicating a pattern of documentation sloppiness in the PDD and monitoring reports
• ⚠Total ERR verified figure is not present in any extracted document, preventing independent cross-check of claimed reductions

Credit Vintages