Zero Energy Certification 1.1 Program Manual
April 2025
April 2025
Table of Contents
Zero Energy Certification 1.1 Program Manual
April 2025
Zero Energy Certification 1.1 Program Manual — April 2025
April 2025
Copyright
Acknowledgments
Executive Summary
Call to Action
Introduction
Introduction to Zero Energy Certification
How Zero Energy Certification Works
How to Use the Program Manual
Additional Tools and Support
Other ILFI Programs
Zero Energy Certification Compliance Details
Project Boundary
Typology
Scale Jumping
Intent + Requirements
Clarifications
Energy Budget Clarifications
Energy Use Clarifications
Performance Period Clarifications
Renewable Energy Clarifications
Scale Jumping
Exceptions
Documentation Requirements
Case Studies
Resources
ILFI Program Glossary
A-G Terms
H-P Terms
Q-Z Terms
Summary of Changes
April 2025 Updates
Changes to Clarifications (Q1 2025)
October 2024 Updates
Changes to Energy Budget, Energy Use, and Renewable Energy (Q3 24)
Changes to Documentation Requirements (Q3 24)
Previous versions of the Program Manual
Download as PDF
Previous versions of the Program Manual
Zero Energy Certification Program Manuals
Published October 1, 2024
Published April 1, 2024
Changes to Documentation Requirements (Q3 24)
