Dayan River Stage I and Dayan River Stage II 17.6MW Bundled Hydropower Project
#45of 1935 in Renewable energy#8of 1084 in China#31of 1459 in CDM (UNFCCC)#29of 1287 in ACM0002
Audit Analysis
A standard CDM hydropower project (ACM0002 v11) with a VVB-confirmed combined additionality test and a jurisdictional grid-emission-factor baseline. The project delivered roughly 36% of its pro-rata ex-ante expectation in the first monitoring period, indicating the lifetime estimate was optimistic but eliminating over-crediting risk. Seven corrective actions were raised at validation (documentation and data-source issues) but none persisted into monitoring.
Red Flags
- The first monitoring period (Feb–Oct 2011) yielded only ~36% of the pro-rata ex-ante expectation (15,829 vs ~43,500 tCO2e), suggesting the lifetime estimate of 457,646 tCO2e may have been optimistic or that 2011 flows were atypically low.
- The grid emission factor of 0.78795 tCO2/MWh is from 2009; China's grid has become cleaner since, meaning the actual per-MWh avoidance is lower than the credit value implies.
- CORSIA eligibility and CCP status are not stated in any available document, leaving dual-channel risk unassessed.
Credit Vintages
No issuances recorded on the registry.
Risk Indicators
VVB-confirmed combined test
Avoidance project, no reversal risk
0% deemed negligible, reasonable for grid-displacement hydro
Jurisdictional grid EF (ACM0002 standard)
Mentioned but FPIC and grievance mechanism not detailed
CORSIA and CCP status not stated
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