11Building Performance Standard

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A building performance standard provides an energy baseline that existing buildings must achieve to meet a threshold of energy performance while allowing the building developer and/or owner flexibility in how they achieve it. A building performance standard is an option to more aggressive building code amendments in the near term and may align with Colorado state benchmarking performance requirements in 2026.

Longmont supports Building Performance Colorado, Colorado’s statewide benchmarking and performance standards program for buildings 50,000 square feet and larger, and is coordinating with Platte River's Efficiency Works to develop resources to help building owners achieve building performance standards through energy efficiency and electrification.

Staff also is taking building energy code options to City Council in late 2025.

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Contact persons

Susan Bartlett
Director, Energy Strategies & Solutions
Longmont Power & Communications
Blas Hernandez
Chief Building Official
Building Inspection

Information updated 07/28/2025

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