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CarbonMeld CarbonMeld Carbon Observatory
Re-assessment pendingVCSEnergy industries (renewable/non-renewable sources)TurkeyRegistry: RegisteredACM0018

Mavibayrak Biomass Power Plant Project

Developer: Mavibayrak Enerji Uretim A.S

Methodology: ACM0018 (CDM)

VCS-1933 ↗

#632of 828 in Biomass#374of 413 in Türkiye#1400of 1615 in Verra (VCS)#23of 34 in ACM0018

Score from methodology v2.1 (analysis of 3 Sep 2026). Re-assessment under v2.2 pending.

Assessment

CarbonMeld document-based assessment

01020304 Overall 4.6 / 10 Dimension scores are locked — the faint arcs are empty tracks, not zero scores.

Scale 0–10 · method weights: integrity 35% · transparency 25% · claim safety 25% · documentation 15%.

Re-assessment pending · v2.1

How this analysis was made

Our method
CarbonMeld methodology v2.1 · analysed on 3 Sep 2026 · 24/24 registry documents analyzed · re-assessment under v2.2 pending

Analysis

The Mavibayrak Biomass Power Plant is a VCS-registered renewable energy project with VVB-confirmed additionality and no reported reversal events, but it is undermined by a 0% leakage deduction with no justification in the latest verification, a project-specific baseline, five corrective actions flagging significant monitoring data errors, and multiple contradictions between the verification report and the issuance record on safeguards and FPIC. The project is not CORSIA-eligible, which limits dual-channel risk, but the overall data quality and baseline robustness are below the level expected for a high-integrity credit.

Red Flags

4 red flags detected — Unlock with Premium

Findings

Risk Indicators

Additionality

🔒

Permanence

🔒

Leakage

🔒

Baseline

🔒

Safeguards

🔒

Double-claim

🔒

Risk indicator details are a Premium feature

Score Breakdown

Score factors per dimension are a Premium feature — Unlock with Premium

Gates applied

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Detailed Analysis

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Evidence

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On this page: the analysis of 3 Sep 2026, marked “Re-assessment pending”. Per-dimension scores, risk indicators, 4 red flags, score factors, detailed analysis, and 24 registry documents (24 analyzed).

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Eligibility & market

What can you claim with this credit?

Four checks buyers ask about, from the registry and the Integrity Council (ICVCM).

  • Airlines (CORSIA)

    No CORSIA label on the registry

    Not usable for airlines' CORSIA obligations.

    Source: registry label · read on 1 Nov 2026

    Covers: this project's credit records as read on the registry

  • Integrity label (ICVCM CCP)

    Methodology not approved by ICVCMACM0018

    The Integrity Council assessed this methodology as not meeting the Core Carbon Principles.

    Source: ICVCM assessment · ICVCM table read on 4 Oct 2026

    Covers: the methodology (every project using it), not this project's credits

  • Removal or reduction

    Emission reduction or avoidance

    Prevents or reduces emissions — fits contribution claims, not SBTi neutralisation.

    Source: project sector

    Covers: the project type, not a label on individual credits

  • Paris Agreement (Article 6)

    No Article 6 authorization

    No corresponding adjustment: the host country can also count this reduction towards its own target.

    Source: registry label · read on 1 Nov 2026

    Covers: this project's credit records as read on the registry

Information only, from public sources. Claim rules (CORSIA, SBTi, EU rules on green claims) change: check them before making a public claim. Since 27 September 2026, EU consumer rules do not allow “climate neutral” product claims based on offsets.

Registry labels last checked:2026-11-01

Credit Vintages

IssuedRetiredAvailable
2018
25,8521,00024,852
2019
29,97224,4525,520
2020
35,82234435,478
2021
37,551037,551
2022
15,717015,717
Total144,91425,796119,118

Methodology versions used

The methodology version stated in each monitoring, verification and issuance document, by period, compared with the official methodology pages.

  1. 2018–2020ACM0018 v4.0since replaced by v6.0

    monitoring report + verification report + issuance document

    official page · verified on

  2. 2021–2022ACM0018the documents for this period state different versions (v4.0, v4.5)

    monitoring report + verification report + issuance document

  3. 2022–2024ACM0018 v4.0since replaced by v6.0

    monitoring report + verification report

    official page · verified on

  4. 2022–2024ACM0018 v4.0since replaced by v6.0

    issuance document

    official page · verified on

  • ACM0018: Active (CDM / UNFCCC) · official page · verified on

A version is shown only when the document's own text writes it next to the methodology code. Current versions, status and CCP ranges come from the official pages linked, checked on the date shown.

Documents on the registry

Retired by

Organisations named as beneficiaries in the registry's public retirement records.

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