50 MW Sipansihaporas Hydro Power Plant, North Sumatra
#124of 1935 in Renewable energy#2of 33 in Indonesia#47of 1339 in Verra (VCS)#88of 1287 in ACM0002
Audit Analysis
The Sipansihaporas 50 MW hydro project is a VCS-registered avoidance project with a VVB-confirmed investment additionality test and a jurisdictional baseline using a 2017 grid emission factor of 0.869 tCO₂/MWh. The 2022 verification report confirms 585,739 tCO₂ verified against 680,617 tCO₂ claimed for the 2017–2020 monitoring period (86.1% ratio), with conservative adjustments applied for meter calibration delays. Key gaps include the absence of a stated buffer pool, multiple corrective actions and SCR indicators, and contradictory safeguard documentation across reporting periods.
Red Flags
- Multiple corrective actions (CAR 1-1 through CAR 5-4) and four SCR indicators (Section 4, Indicators 2, 7, 12, 23) were raised in the 2022 verification report, indicating recurring documentation and reporting deficiencies
- Revenue meter calibration delays for Units 1 and 2 spanning from April 2015 to January 2018 required conservative adjustments to emission reduction calculations, undermining confidence in the underlying generation data
- Contradictory safeguard documentation: the 2013 verification report records no FPIC and no grievance mechanism, while the 2022 monitoring report records both as present — the earlier gap was never explicitly resolved in a verification report
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2009 | 75,451 | 75,451 | 0 | |
| 2010 | 137,134 | 135,781 | 1,353 | |
| 2011 | 131,917 | 131,917 | 0 | |
| 2012 | 115,662 | 114,562 | 1,100 | |
| 2013 | 140,109 | 140,109 | 0 | |
| 2014 | 119,728 | 119,728 | 0 | |
| 2015 | 139,825 | 124,255 | 15,570 | |
| 2016 | 171,912 | 30,948 | 140,964 | |
| 2017 | 152,142 | 152,141 | 1 | |
| 2018 | 181,982 | 169,883 | 12,099 | |
| 2019 | 143,197 | 143,197 | 0 | |
| 2020 | 153,784 | 153,784 | 0 | |
| Total | 1,662,843 | 1,491,756 | 171,087 |
Risk Indicators
VVB-confirmed investment test
no reversal events reported
0% deduction, deemed negligible (appropriate for grid-connected hydro)
Jurisdictional, 2017 grid EF 0.869; reassessment not yet due
FPIC and grievance mechanism in 2022 MR but absent in 2013 VR; inconsistent record
CORSIA not eligible; CCP status not stated (no dual-channel evidence)
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