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GSEnergy Efficiency - DomesticZimbabweGeneral Methodologyv2.1

GS1247 VPA 144 Manicaland Safe Water

GS-1126 ↗ · current registry ID: GS6520

#876of 1329 in Industrial#8of 9 in Zimbabwe#1292of 1801 in Gold Standard (GS)

4.5/ 10
Integrity
4.5
Transparency
5.0
Claim Safety
4.0
Documentation
4.5

Audit Analysis

The Manicaland Safe Water project (GS1247 VPA 144) is a Gold Standard safe-water borehole project verified by Carbon Check (India) with a VVB-confirmed combined additionality test and no reported reversal events. However, the project is undermined by eleven cross-document contradictions (including leakage deduction of 0% vs 5%, fNRB of 0.97 vs 0.85, and two different crediting periods), an ongoing investigation into two staff members, a delayed revalidation, and 49.1 non-functional borehole days during the monitoring period. The methodology (TPDDTEC, designed for thermal-energy displacement) is applied to safe-water infrastructure, raising baseline-validity questions, and the absence of a buffer pool leaves permanence protection thin.

Red Flags

  • Eleven contradictions across documents, including leakage deduction (0% in verification report vs 5% in PDD), fNRB (0.97 vs 0.85), and two non-overlapping crediting periods (2018–2023 vs 2025–2030), indicating significant data-reliability issues.
  • Ongoing investigation into two staff members within the Zimbabwean partner organisation, reported in the verification report material findings.
  • 49.1 non-functional days recorded across all boreholes during the 2024 monitoring period, undermining the permanence and reliability of the water-supply claim.
  • Revalidation to transition to the ERS DWS methodology is incomplete and delayed due to the Government of Zimbabwe's Carbon Framework, with a deviation extending the timeline to 31 December 2024.

Credit Vintages

IssuedRetiredAvailable
2018
5,6445,6440
2019
8,6125,5883,024
2020
7,2186,512706
2021
5,2421,2404,002
2022
1,86501,865
Total28,58118,9849,597

Risk Indicators

Additionality

VVB-confirmed combined test

Permanence

49; 1 non-functional days

Leakage

0% deduction contradicts PDD 5%

Baseline

Project-specific; methodology fit questionable

Safeguards

FPIC, grievance mechanism, benefit sharing

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-03General Methodology v2.1

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