Zero Carbon Certification 1.0 Handbook
April 2025
April 2025
Table of Contents
Zero Carbon Certification 1.0 Handbook
April 2025
Zero Carbon Certification 1.0 Handbook — April 2025
April 2025
Zero Carbon Handbook
Overview
Clarifications
Embodied Carbon Clarifications
Embodied Carbon Calculation Clarifications
Embodied Carbon Reduction Clarifications
Embodied Carbon Offset Clarifications
Operational Carbon Clarifications
Energy Budget Clarifications
Energy Use Clarifications
Performance Period Clarifications
Renewable Energy Clarifications
Exceptions
Calculations
Documentation Requirements
Case Studies
Resources
Approved Regional Equivalencies
Asia
North America
Oceania
ILFI Program Glossary
A-G Terms
H-P Terms
Q-Z Terms
Summary of Changes
April 2025 Updates
Changes to Overview (Q1 25)
Changes to Operational Carbon Clarifications (Q1 25)
Changes to Documentation Requirements (Q1 25)
October 2024 Updates
Changes to Embodied Carbon (Q3 24)
July 2024 Updates
Changes to Resources (Q2 2024)
May 2024 Updates
Changes Throughout (Q1 24)
Changes to Embodied Carbon (Q1 24)
Changes to Operational Carbon (Q1 24)
Changes to the Exceptions (Q1 24)
Changes to the Calculations (Q1 24)
Changes to the Documentation Requirements (Q1 24)
Changes to the Case Studies (Q1 24)
Changes to the Resources (Q1 24)
Changes to Approved Regional Equivalencies (Q1 24)
Changes to the Glossary (Q1 24)
Previous versions of the Handbook
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Zero Carbon Handbook
April 2025
Overview
