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    • Power & Cooling Technologies
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  • Tools +

    Lawrence Berkeley National Laboratory (LBNL) leads the development of several tools and technologies that generate and evaluate strategies for design and operations, assisting data center designers, builders, and operators to make informed decisions to reduce costs and accelerate timelines.

    • Tools +
      • EnergyPlus
      • Modelica Buildings Library
      • Data Center Energy Efficiency Toolkit +
        • DC Pro Tool
        • Department of Energy (DOE) Energy Assessment Process Manual
        • Energy Assessment Worksheet
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        • Air Management Lookup Tables
        • Data Center Air Management Estimator
        • Data Center Air Management Tool
        • Data Center Electrical Power Chain Tool
        • Data Center Master List of Energy Efficiency Actions
        • IT Equipment Energy Assessment Tool
  • Resources +

    Stay up to date on the latest resources available from the Center of Expertise for Data Center Energy by reviewing our publications listing, reading the latest news, and accessing our federal resources, including the Data Center Energy Practitioner Training Program (DCEP).

    • Publications
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    • Federal Resources +
      • Data Center Energy Practitioner (DCEP) Training
      • Business Case

Publications

X Author: Billie Holecek

2026

Smith, Sarah Josephine, Alex Hubbard, Alexander Newkirk, Mohan Ganeshalingam, Billie Holecek, Dale A Sartor, Michael Mills, and Arman Shehabi."United States Data Center Energy Usage Report: 2025 Update." (2026).
Granderson, Jessica, Ian M Hoffman, Billie Holecek, Eliot Crowe, Sarah Josephine Smith, and Natalie Mims Frick."Integrating AI Data Centers with the Power Grid."The Bridge (2026). DOI

2024

Shehabi, Arman, Sarah Josephine Smith, Alex Hubbard, Alexander Newkirk, Nuoa Lei, Md AbuBakar Siddik, Billie Holecek, Jonathan G Koomey, Eric R Masanet, and Dale A Sartor."2024 United States Data Center Energy Usage Report." (2024). DOI
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