What was reviewed

Voltfox’s electricity emission-factor calculation methodology was reviewed and verified by QSI Certification & Inspection against ISO 14064-1 and relevant GHG Protocol requirements.

The QSI statement is dated 21 November 2025. It supports a traceable, audit-ready foundation for Voltfox’s calculation methodology.

Scope and limitation

This statement concerns the methodology. It is not certification of every customer report, does not replace customer-specific assurance, and does not by itself establish physical emissions reductions, 24/7 CFE coverage, or CBAM eligibility.

For the original QSI statement or a customer-specific assurance review, contact Voltfox.