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Resources

{: .fw-500 }

This section provides tutorials, how-to guides explanations and reference material designed to aid users in answering questions about the ComStock dataset.

Tutorials

This section provides lessons for understanding certain capabilities and functions of ComStock, as well as for learning a specific analysis skill.

  • [Joining Data from an External Dataset to ComStock using Geospatial Fields]({{ site.baseurl }}{% link docs/resources/tutorials/join_geospatial_data.md %})
  • [Perform an analysis by blending ComStock and local data]({{ site.baseurl }}{% link docs/resources/tutorials/local_segmentation_study.md %})

How-to Guides

This section provides a collection of step-by-step guides for using the ComStock dataset to answer a given question.

  • [Access the ComStock datasets programmatically]({{ site.baseurl }}{% link docs/resources/how_to_guides/example_scripts.md %})UPDATE
  • [Filter the building characteristics dashboard for a county]({{ site.baseurl }}{% link docs/resources/how_to_guides/characteristics_dashboard.md %})NEW
  • [Perform a basic commercial building stock segmentation analysis in Excel]({{ site.baseurl }}{% link docs/resources/how_to_guides/basic_stock_characterization_workbook.md %})
  • [Understand the annual energy use by building type for a city]({{ site.baseurl }}{% link docs/resources/how_to_guides/puma_level_analysis.md %})

Explanations

These documents provide explanations focusing on the how and why of various parts of the ComStock data sets. While this section does not provide explicit advice on how to achieve a specific outcome, the documentation here will help users understand specific and important aspects the data sets. If while using ComStock there are aspects of the data sets that seem counterintuitive and / or confusing, please email us to recommend an additional piece of explanation documentation.

General

  • [Building Type Crosswalks]({{ site.baseurl }}{% link docs/resources/explanations/building_type_crosswalks.md %})
  • [Considerations for ComStock Calibration, Validation, and Uncertainty]({{ site.baseurl }}{% link docs/resources/explanations/comstock_calibration.md %})
  • [Geographic Fields and Codes]({{ site.baseurl }}{% link docs/resources/explanations/reference_geographic_codes.md %})
  • [New ComStock Sampling Method]({{ site.baseurl }}{% link docs/resources/explanations/new_sampling_method.md %})NEW
  • [Sampling and Weighting in ComStock]({{ site.baseurl }}{% link docs/resources/explanations/sampling_and_weighting.md %})
  • [Using ComStock to Analyze Cost]({{ site.baseurl }}{% link docs/resources/explanations/costing_analysis.md %})UPDATE
  • [Why Individual ComStock Measure Results Should Not Be Combined]({{ site.baseurl }}{% link docs/resources/explanations/combining_measure_results.md %})

ComStock Limitations

  • [Building Types Not Included in ComStock]({{ site.baseurl }}{% link docs/resources/explanations/building_types_not_included.md %})
  • [Gas Consumption Underrepresented]({{ site.baseurl }}{% link docs/resources/explanations/gas_consumption_underrepresented.md %})
  • [Sample Size Considerations]({{ site.baseurl }}{% link docs/resources/explanations/sample_size_considerations.md %})

Known Issues

  • [California Models Known Issues]({{ site.baseurl }}{% link docs/resources/explanations/california_known_issues.md %})
  • [Utility Bill and Emissions in 2024 Release 2]({{ site.baseurl }}{% link docs/resources/explanations/utility_bills_emissions_known_issue.md %})NEW
  • [Metadata and Annual Results Aggregate File Discrepancy in 2024 Release 2]({{ site.baseurl }}{% link docs/resources/explanations/aggregate_file_discrepancy_known_issue.md %})NEW

Download and Merge Parquet Data

{% assign bundle = site.static_files | where_exp:"f","f.name contains 'parquet-merge-'" | first %}

<script src="{{ bundle.path | relative_url }}"></script>

References

These documents describe various aspects of ComStock, including the baseline and upgrade model documentation, as well as geographic clustering methodology.

ComStock Reference Documentation This document serves as a guide to and resource for the methodology and assumptions behind ComStock. The Reference Documentation will be updated as major changes to the baseline models are incorporated.
Reference Documentation Version Release Date Corresponding ComStock Dataset Release(s)
[ComStock Reference Documentation: 2024 Release 2]({{ site.baseurl }}{% link assets/files/comstock_reference_documentation_2024_2.pdf %}) Feb. 2025 2024/comstock_amy2018_release_2
[ComStock Reference Documentation: 2024 Release 1]({{ site.baseurl }}{% link assets/files/comstock_reference_documentation_2024_1.pdf %}) May 2024 2024/comstock_amy2018_release_1
ComStock Reference Documentation: Version 1 March 2023 2023/comstock_amy2018_release_1
2023/comstock_amy2018_release_2
Upgrade Measures The measure documentation describes the modeling methodology, assumptions, relevant ComStock baseline features, and observations from results.

[Upgrade Measures]({{ site.baseurl }}{% link docs/upgrade_measures/upgrade_measures.md %})

Geographic Clustering Reference Documentation These documents provide reference documentation for the clustering methodology developed by ComStock. The clustering algorithm described in this technical report resulted in 88 clusters across the United States. The clusters are used as the geographic basis for the “U.S. Building Stock Segmentation Series” published by DOE’s Building Technologies Office. This series will provide geographically relevant insight into building stock characteristics, energy and emissions performance, and, eventually, common end use technologies. The cluster definitions file maps counties to building stock segmentation clusters.

Building Stock Segmentation Cluster Development

June 2023

Building Stock Segmentation Cluster Definitions

July 2023

Building Stock Segmentation This document discusses the development of a segmentation approach for the U.S. commercial building stock that focuses on identifying similarities. The resulting nine-segment approach primarily uses similarities in heating, ventilating, and air-conditioning systems, service water heating systems, and the presence of cooking equipment to separate buildings into categories.

Commercial Building Stock Segmentation

May 2024