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GSEnergy Efficiency - DomesticNigeriaGeneral Methodologyv2.1

Safe Water Programme – Nigeria – VPA 12

GS-3291 ↗ · current registry ID: GS11270

#995of 1329 in Industrial#66of 79 in Nigeria#1426of 1801 in Gold Standard (GS)

4.3/ 10
Integrity
4.0
Transparency
4.0
Claim Safety
4.5
Documentation
5.5

Audit Analysis

The Safe Water Programme in Nigeria has VVB-confirmed additionality and a reasonable monitoring framework, but is undermined by multiple material findings on sampling methodology and potential bias in emission reduction calculations, a project-specific baseline with no stated reassessment, no buffer pool, and a 0% leakage deduction justified only as 'deemed negligible.' Several contradictions between documents (FNRB method, safeguards, usage rates) reduce confidence in the data reliability.

Red Flags

  • Multiple material findings (FAR#1, FAR#2) flag potential systemic bias in chlorine tablet usage that could overestimate emission reductions, with corrective actions still open
  • FNRB method is contradictory: the verification report (2022) states 'not applicable' while the monitoring report (2024) states 'national default' with a value of 82.3 vs 96
  • Verified ERR figure is not stated in the extracted record, preventing any claimed-vs-verified comparison
  • Leakage deduction of 0% justified only as 'deemed negligible' without quantified analysis for a safe water supply project where users may revert to boiling

Credit Vintages

IssuedRetiredAvailable
2021
54,62154,6210
2022
53,57222,47031,102
2023
46,915046,915
2024
40,300040,300
Total195,40877,091118,317

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

mixed evidence / unresolved risk

Leakage

0% deduction, 'deemed negligible' only

Baseline

Project-specific, reassessment not stated

Safeguards

Grievance mechanism present; FPIC not stated; contradictions across docs

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-01General Methodology v2.1

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