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GSavoidanceTurkeyVintage 2021, 2022, 2023 Registry: Certified & creditingACM0001

SAMSUN LANDFILL GAS TO ENERGY PROJECT, TURKEY

GS-1670 ↗ · current registry ID: GS935

#33of 189 in Methane#148of 295 in Turkey#386of 1801 in Gold Standard (GS)#28of 159 in ACM0001

5.5/ 10
Integrity
5.5
Transparency
6.0
Claim Safety
5.5
Documentation
4.5

Audit Analysis

The Samsun Landfill Gas to Energy Project has a solid additionality foundation (investment test confirmed by the VVB) and no reversal events, but is undermined by a project-specific modeled baseline, the absence of a stated buffer pool, and a long list of material findings and corrective actions related to operational underperformance and ER calculation errors. The project delivered roughly 125% of its pro-rata ex-ante expectation for the 2024 monitoring period, which is reassuring, yet the low extraction confidence and numerous documentation gaps limit overall confidence in the credit quality.

Red Flags

  • Seven corrective actions required in the 2025 verification report, including errors in ER calculations (CAR-1, CAR-2, CAR-6) and a discrepancy in stated electricity generation capacity (4.8 MW vs 8.4 MW, CAR-5)
  • Eight material findings in the 2025 verification report, including significant drops in landfill gas production, major H2S increases, and repeated CHP unit breakdowns reducing energy generation below estimates
  • Minimum extraction confidence is rated low, indicating at least one key document was poorly readable, which undermines confidence in the extracted data
  • Contradiction on FPIC: the 2023 PDD states FPIC was not conducted, while the 2022 monitoring report states it was; the more recent PDD value is privileged

Credit Vintages

IssuedRetiredAvailable
2011
3,0963,03561
2012
45,41345,223190
2013
107,036107,0360
2014
78,95878,9580
2016
81,00981,0090
2017
179,248179,21533
2018
27,81724,4993,318
2019
54,1401,08253,058
2020
197,6243,984193,640
2021
215,0046,493208,511
2022
163,3620163,362
2023
46,823046,823
Total1,199,530530,534668,996

Risk Indicators

Additionality

Investment test, VVB-confirmed

Permanence

no reversals

Leakage

0% deduction, 'deemed negligible', not quantified

Baseline

Project-specific, modeled; reassessed 2025

Safeguards

Documented but FPIC status contradicted

Double-claim

CORSIA and CCP status not stated

Where to buy

Marketplaces

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Analysis ProvenanceScored2026-09-06ACM0001, ACM0002

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