Publications

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Document type: State-specific, Technical Assistance report
Publication Date: September 2009
Page Focus: Adoption

This analysis of residential energy code compares the requirements of the 2009 International Energy Conservation Code (IECC) with the residential code—or typical construction practice in the absence of a code—in most states as of June 2009. The results, which include estimated typical energy savings of updating each state’s code to the 2009 IECC, are provided in chapters specific to each state.

Several states have either not adopted a mandatory energy code or developed their own codes which have minimal or no connection to the IECC. The latter—including California, Florida, Oregon, and Washington— were not included in this analysis because the codes in these states would be difficult to appropriately compare to the 2009 IECC and most of these states have energy offices that have already assessed the IECC on their own.

Document type: State-specific
Publication Date:
Page Focus: Adoption

In compliance with Title III of the Energy Conservation and Production Act (ECPA) of 1976, as amended, this letter is to certify that the State of Nebraska has updated the Nebraska Enery Code, which references the 2009 version of the International Energy Conservation Code, as well as ASHRAE Standard 90.1-2007 for non-residential buildings.

Document type: State-specific
Publication Date: February 2019
Page Focus: Compliance

In early 2017, the Nebraska Energy Office expressed interest in evaluating the construction of new single-family homes in Nebraska using the US Department of Energy's (DOE) low-rise residential evaluation methodology. As part of that methodology, Pacific Northwest National Laboratory (PNNL) was directed by DOE to analyze the data collected in Nebraska. This memorandum provides and discusses the results of PNNL's analysis.