855773667-LEED-v5-O-M-Reference-Guide-Launch-Edition-1 - Page 148

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• Simple target equations for each property type account for standard combustion use patterns for the property type and further adjust for annual heating degree days (HDD).

LEED v5 O+M: Existing Buildings multiplies the NextGen™ Direct GHGi target by 1.4 for on-site combustion emissions. The two-point threshold aligns with ENERGY STAR® NextGen™ target achievement.

Mixed use buildings For mixed-use buildings that include more than one property type referenced in ENERGY STAR® NextGen™, determine the overall target based on the weighted average target determined for the gross floor area associated with each property type. For any property types without an ENERGY STAR® NextGen™ target available, use either the most similar property type or the primary property type comprising the largest proportion of building gross floor area.

District heating District heating combustion must be accounted for in determining on-site combustion emissions for LEED, even when excluded under ENERGY STAR® NextGen™ (see additional guidance below).

PATH 2. HISTORICAL BASELINE TARGET

All projects can use Path 2, which establishes the on-site combustion emissions target based on a historical baseline.

For more information on determining the historical baseline, refer to the guidance from the section entitled Historical Baseline from EAp3: Minimum Energy Performance, Option 3. Performance Relative to Historical Baseline. Projects that used EAp3: Minimum Energy Performance, Option 3 must use the same historical baseline reporting period for compliance with this Path.

PATH 3. ON-SITE COMBUSTION EMISSIONS INTENSITY TARGET

This path only applies to projects complying with EAp3: Minimum Energy Performance using Option 2. Energy Use Intensity Targets . For projects in climate zones 0A, 0B, and 1A, the target for this path is zero, meaning that these projects must have zero on-site combustion emissions to earn points using this path.

On-site combustion emission intensity targets for the project’s climate zone and building activity are calculated as the product of the ASHRAE 100-2024, Appendix B site EUI target for natural

U.S. Green Building Council LEED v5 Reference Guide for Operations and Maintenance, April 2025 Launch Edition 138