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GSEnergy Efficiency - DomesticGhanaGeneral Methodologyv2.1

GS1264: Native Clean Water Programme West Africa: VPA(01) Ghana

GS-1578 ↗ · current registry ID: GS1294

#257of 1329 in Industrial#4of 21 in Ghana#432of 1801 in Gold Standard (GS)

5.4/ 10
Integrity
5.5
Transparency
5.5
Claim Safety
5.0
Documentation
5.5

Audit Analysis

A long-running Gold Standard water filter project in Ghana with VVB-verified additionality, but undermined by the absence of a buffer pool for physical assets, a project-specific baseline, 100% usage assumptions, and an extensive list of 24 corrective actions including calculation errors. The identical claimed and verified ERR figures, combined with multiple data contradictions across documents, raise moderate concerns about the robustness of the credit claims.

Red Flags

  • 24 corrective actions required in the 2024 verification, including ER calculation errors (days in year, usage parameter) and a CH4 emission factor error
  • Claimed and verified ERR are identical (8,655 tCO2e) with no adjustment, and the ex-ante lifetime estimate is not stated, preventing a pro-rata delivery check
  • 100% usage rate assumed and verified with no decay or attrition allowance over a 12+ year crediting period
  • Leakage justification is contradictory: the verification report states 'quantified' while the monitoring report states 'deemed negligible', yet the deduction is 0%

Credit Vintages

IssuedRetiredAvailable
2012
22022
2013
3,8002,4411,359
2014
10,53711010,427
2015
10,0002009,800
2016
10,0002009,800
2017
10,0001999,801
2018
10,0002009,800
2019
8,3961008,296
2020
7,36707,367
2021
8,20208,202
2022
4,43404,434
Total82,7583,45079,308

Risk Indicators

Additionality

VVB-verified combined test

Permanence

filter lifespan risk unaddressed

Leakage

0% deduction; justification contradictory across documents

Baseline

Project-specific; reassessment timing not stated

Safeguards

Grievance mechanism present; FPIC not conducted

Double-claim

CCP and CORSIA status not stated

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Analysis ProvenanceScored2026-09-03General Methodology v2.1

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