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GSEnergy Efficiency - DomesticKenyaGeneral Methodologyv2.1

Aqua Clara Water Filtration Program in Kenya

GS-59 ↗ · current registry ID: GS1078

#754of 1329 in Industrial#87of 157 in Kenya#1133of 1801 in Gold Standard (GS)

4.7/ 10
Integrity
3.8
Transparency
5.5
Claim Safety
4.2
Documentation
6.0

Audit Analysis

The Aqua Clara water filtration project in Kenya has a verified additionality assessment and FPIC, but suffers from significant integrity gaps including no buffer pool, unaddressed reversal risk, a 0% leakage deduction with contradictory justification, and a history of over-issuance requiring credit deductions. Multiple ERR and methodology contradictions across verification cycles, combined with a project-specific baseline and CORSIA eligibility, elevate over-crediting and double-claim risk. The project's documentation is reasonably extensive (19 documents) but carries medium extraction confidence and several unresolved forward action requests.

Red Flags

  • No buffer pool or permanence mechanism identified in any available document; reversal events explicitly 'not addressed' despite confirmed filter non-operation periods of 93 and 54 days
  • Over-issuance of 176.14 credits (107.76 + 68.38) deducted in the 2022 verification report, indicating prior periods over-credited relative to actual filter usage
  • 0% leakage deduction with contradictory justification ('quantified' in 2022 report vs 'deemed negligible' in 2021 report) for a project distributing physical filters to dispersed households
  • ERR discrepancy of 4,432 credits between the 2021 monitoring report (28,429) and the 2022 verification report (23,997), a 15.6% reduction not fully explained by the stated over-issuance deductions
  • CORSIA eligibility confirmed while CCP status is not stated, creating potential dual-channel crediting risk

Credit Vintages

IssuedRetiredAvailable
2011
67670
2012
9,3739,3730
2013
13,80913,8090
2014
18,14418,1440
2015
23,19123,1910
2016
25,73325,7330
2017
31,97631,9760
2018
41,91341,9130
2019
19,97219,9711
2020
27,12027,1200
2021
31,42030,919501
Total242,718242,216502

Risk Indicators

Additionality

Combined test, VVB-verified

Permanence

mixed evidence / unresolved risk

Leakage

0% deduction, contradictory justification

Baseline

Project-specific, reassessed 2015

Safeguards

FPIC, grievance, benefit sharing

Double-claim

CORSIA-eligible, CCP not stated

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Analysis ProvenanceScored2026-09-01General Methodology v2.1

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