Proyecto Hidroeléctrico Tequendama 1, 2, 3 y 4
#7of 124 in Colombia#7of 99 in CerCarbono (CC)#168of 1287 in ACM0002
Audit Analysis
A Colombian hydroelectric project (Tequendama 1-4) displacing grid electricity, verified by TÜV SÜD under the CerCarbono national registry. Additionality is VVB-confirmed and the project type (avoidance via grid displacement) carries no permanence risk, but the baseline method is inconsistently described across documents and several key parameters (FNRB, usage rates, CORSIA/CCP status) are not stated. The verified ERR of ~73,409 tCO2e for the 1.67-year monitoring period represents roughly 88% of the pro-rata lifetime expectation, which is reasonable given hydrological variability.
Red Flags
- Baseline method is described as 'project-specific' in the verification report but 'jurisdictional' in the monitoring report — an unresolved inconsistency that affects baseline credibility
- Baseline last reassessment date is not stated in any available document, making it impossible to confirm the baseline remains current
- Six contradictions identified across documents, including a units discrepancy in ERR figures (73.409 vs 73,409) and conflicting leakage justifications ('quantified' vs 'deemed negligible') within the same verification report at different dates
- CORSIA eligibility and CCP status are not stated, leaving dual-channel risk unassessed
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2018 | 77,725 | 77,725 | 0 | |
| 2019 | 51,715 | 51,715 | 0 | |
| 2020 | 36,636 | 36,636 | 0 | |
| 2021 | 17,652 | 0 | 17,652 | |
| 2022 | 18,237 | 0 | 18,237 | |
| 2023 | 50,699 | 0 | 50,699 | |
| 2024 | 4,473 | 0 | 4,473 | |
| Total | 257,137 | 166,076 | 91,061 |
Risk Indicators
VVB-confirmed (TÜV SÜD)
Avoidance project – no reversal risk
0% quantified – appropriate for grid displacement
Project-specific; method contradicts across docs; reassessment date not stated
FPIC conducted; grievance mechanism present
CORSIA and CCP status not stated – dual-channel risk unassessed
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