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Re-assessment pendingGSEnergy Efficiency - DomesticTanzania, United Republic ofRegistry: RegisteredGS-TPDDTEC

Dissemination of fuel efficient biomass stoves and water purification systems in Tanzania

Developer: Envirofit International, Ltd

GS-1224 ↗ · current registry ID: GS850

#936of 1734 in Industrial#11of 25 in Tanzania#1261of 2180 in Gold Standard (GS)#134of 313 in GS-TPDDTEC

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

Assessment

CarbonMeld document-based assessment

01020304 Overall 4.8 / 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

Analysis

This Gold Standard project disseminating fuel-efficient stoves and water purification systems in Tanzania has VVB-confirmed additionality and a nationally-sourced fNRB, but is undermined by a 16% gap between assumed and verified usage rates, a project-specific baseline, 24+ material findings, 20 corrective actions, and multiple cross-document contradictions. The 0% leakage deduction rests on a single survey and conflicts with an earlier 'quantified' assessment. Overall, the project's claims are partially supported but carry meaningful over-crediting risk.

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

Detailed Analysis

The detailed per-dimension analysis is a Premium feature — Unlock with Premium

Evidence

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Per-dimension scores, risk indicators, 4 red flags, score factors, detailed analysis, and 10 registry documents (8 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

  • Integrity label (ICVCM CCP)

    Methodology approved by ICVCMGS TPDDTEC

    The methodology meets the Core Carbon Principles; this project's credits do not carry the CCP label yet.

    Source: ICVCM assessment

  • Removal or reduction

    Emission reduction or avoidance

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

    Source: registry label

  • Paris Agreement (Article 6)

    Not published

    This registry does not publish Article 6 authorizations.

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:2026-09-27

Credit Vintages

IssuedRetiredAvailable
2011
9,7449,7440
2012
41,85641,8560
2013
34,98634,9860
2014
68,86768,8670
2015
18,33918,3390
2016
21,11021,08228
Total194,902194,87428

Retired by

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

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Profile & governance

Analysis ProvenanceTechnologies and Practices to Displace Decentralized Thermal Energy Consumption

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