Codes & Standards Research

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  • Code Savings Technical Assumptions Review

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy 350 to review three assumptions underlying the savings it reports for updates to energy codes for new construction buildings:   Energy 350 found that most assumptions NEEA made to adjust code savings analyses were valid. The review team noted several areas where NEEA could improve assumptions either…

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    Commercial|Commercial Buildings|Natural Gas|New Construction|Residential|Residential Buildings

  • Montana Residential Code Compliance Evaluation

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Industrial Economics, Incorporated (IEc) to conduct a residential code compliance evaluation in Montana that examined new construction single family homes built under the International Energy Conservation Code (IECC) 2018 and 2021 with Montana amendments. The main study objective was to assess statewide compliance with the 2018 and…

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    New Construction|Residential|Residential Buildings

  • Q1 2025 Codes, Standards and New Construction Newsletter

    This newsletter provides details of all NEEA’s codes, standards and new construction activities organized by state. Beyond the code and standards development efforts, NEEA provides trainings, educational materials, tools to aid in compliance, help desks to address market questions, and state level collaboratives that organize to address opportunities and needs in each of their states.…

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    Commercial|New Construction|Residential

  • Q4 2024 Codes, Standards and New Construction Newsletter

    STANDARDS: 2024 saw some of the largest federal standards updates in the history of the program. Between 2021 and the end of 2024, the U.S. Department of Energy (U.S. DOE) updated more than 30 federal standards; U.S. DOE reviewed another nine and deemed them not ready for updates. Standards updates typically take more than two years from start to finish, so…

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    Commercial|New Construction|Residential

  • Q3 2024 Codes, Standards and New Construction Newsletter

    While Q3 2024 was slow for federal standards, it was busy for codes. After two prolific quarters, the U.S. Department of Energy (U.S. DOE) slowed the number of dockets for standards, but this lull is not expected to last. More than 10 final rules are expected before the end of the year, and U.S. DOE staff are working hard to…

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    Commercial|New Construction|Residential

  • Montana 2018 Commercial New Construction Code Compliance Evaluation

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Michaels Energy to conduct the Montana 2018 Commercial New Construction Code Compliance Evaluation to assess the paths and degree by which code compliance is achieved with the amended 2018 International Energy Conservation Code (IECC). The study focused on newly constructed commercial buildings in Montana under its version…

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    Commercial|Commercial Buildings

  • Independent Assessment of NEEA Approaches to Estimating Influence Over State Energy Codes

    The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group to conduct a review of several alternative approaches to evaluating NEEA’s influence on the outcomes of state energy code processes in the Northwest. The objective of this assessment was to support NEEA in identifying ways to assess its codes efforts that more accurately document and…

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    Commercial|Commercial Buildings|New Construction|Residential|Residential Buildings

  • Q2 2024 Codes, Standards and New Construction Newsletter

    Q2 2024 was notable for final rules for Federal standards with 11 final rules completed in this quarter alone. The completion of the consumer water heater rule constituted the single largest energy-saving Federal standard in the history of the U.S. Department of Energy’s (U.S. DOE’s) program; it holds the potential for more than 300 aMW of…

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    Commercial|New Construction|Residential

  • Idaho, Montana, and Oregon Residential Energy Code Savings Analysis

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope to conduct an analysis of Idaho, Montana, and Oregon energy codes. The study sought to quantify the energy use, energy savings and incremental costs for residential code improvements previously adopted in these states using evaluation procedures aligned with previous protocols for estimating code stringency. Ecotope compared…

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    New Construction|Residential|Residential Buildings

  • Idaho Residential Code Compliance Evaluation

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Industrial Economics, Incorporated (IEc) and Resource Refocus to conduct a residential code compliance evaluation in Idaho that examined new construction single family homes built under the International Energy Conservation Code (IECC) 2018 with Idaho amendments. The evaluation looked at whole-home and measure-level compliance with the code, opportunities…

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    New Construction|Residential|Residential Buildings

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