Ecoparque Sergipe Landfill Gas Project

Audit Analysis

The Ecoparque Sergipe Landfill Gas Project has a solid additionality foundation (combined test confirmed by the VVB) and a measured baseline, but is undermined by 11 material findings in the verification report, including unapproved design changes (a second flare and engine-generator not reflected in the PDD), multiple calibration delays, and a 0% leakage deduction whose justification is absent from the most recent verification. A significant grid emission factor discrepancy between the PDD (0.202775) and the monitoring report (1.3) raises over-crediting concerns for the electricity-generation component.

Project Description

Red Flags

• ⚠Grid emission factor in the monitoring report (1.3) is roughly 6× the PDD value (0.202775), which could substantially inflate avoided-emission credits from electricity generation
• ⚠A second high-temperature flare and an engine-generator were installed but the PDD was never revised to reflect the design change, as flagged in the verification report
• ⚠Eleven material findings in the verification report, including incomplete FCH4,EL,y documentation, calibration delays of up to 14 months (Flare 1 thermocouple), and no gas analyzer for Flare 2 during the monitoring period
• ⚠Leakage deduction is 0% and the justification is recorded as 'not addressed' in the most recent verification report (Oct 2025), despite an earlier verification (May 2025) having noted it as quantified
• ⚠Annual ex-ante estimates of GHG emission reductions and electricity generation in the monitoring report do not match the PDD values

Credit Vintages