LEED · Second Brain

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855773520-LEED-v5-ID-C-Reference-Guide-Launch-Edition-1 - Page 198

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CONTRACT LENGTH

  • Contract length shall be 10 years or prorated across 10 years for shorter contract lengths.

ENVIRONMENTAL ATTRIBUTES

  • Ownership : All environmental attributes (energy attribute certificates, EACs) or renewable energy certificates, RECs) associated with renewable energy generation must be retired on behalf of the LEED project for the renewable energy procurement to contribute to credit achievement.

  • Project energy source : Renewable electricity generation and EAC procurement can only be applied to tenant electricity use or district energy use up to 100% of annual electricity plus district energy use. Renewable fuels can only be applied to tenant fuel use or district heat up to 100% of annual fuel plus district heat use.

  • Vintage : EACs credited to the project must be generated no earlier than 18 months before the LEED project’s initial application submission date.

  • Location : Tier 2 and Tier 3 renewable assets must be in the same country or region where the LEED project is located.

  • Tier 2 bulk purchase : Green-e® Energy certification or equivalent is required for onetime purchase or annual purchase of EACs or renewable power totaling more than 100% of the tenant’s annual electricity use.

REQUIREMENTS EXPLAINED

The credit establishes a three-tier hierarchy for renewable energy, preferentially rewarding renewable energy supply and procurement that has the most direct and long-term impacts on building decarbonization:

  • Tier 1 . On-site renewable energy generation or social impact project

  • Tier 2 . New off-site renewable electricity

  • Tier 3 . Off-site renewable energy

Projects may choose to supply or procure renewable energy from Tier 1, Tier 2, and/or Tier 3 for a maximum of five points.

For all three tiers of renewable energy, the project team should first confirm that the project will comply with the credit requirements for renewable energy environmental attributes and renewable contract length before proceeding with procurement and/or installation of the renewable energy.

U.S. Green Building Council LEED v5 Reference Guide for Interior Design and Construction, April 2025 Launch Edition 187

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