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Researchers in the Building & Industrial Energy Systems Division (BIES) at Lawrence Berkeley National Laboratory work closely with industry, government and key decision makers to inform and develop building and industrial energy systems that increase energy efficiency, save money and improve health and safety for building occupants.

The BIES Division engages in innovative and creative research to advance energy efficiency in the built environment, one of the world's most critical energy and environmental challenges because buildings are the world's largest energy-users.
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We are at the forefront of cutting-edge research that redefines building technology and explores all areas of urban systems.

We have been leaders for decades in developing energy-efficient windows, improving indoor air quality, coming up with new ideas to fix the nation's electricity grid, and so much more.

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Explore our tools, guidebooks and software and download for free.

We offer a variety of technologies designed to simulate and model real-world circumstances to assist in energy-saving programs and help building owners build better buildings. These tools can help calculate performance of building systems like windows and shades, help consumers and builders pick the best windows for a variety of applications and much more.

Publications: Energy Management Systems

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2025

Fuchs, Heidi."Success & Lessons Learned from 3 Years of 50001 Ready Cohort Training Programs." (2025).

Fuchs, Heidi, and Patty Angus."The Role of Leadership in Implementing 50001 Ready." (2025).

Fuchs, Heidi."Energy Management Policy – The Voluntary Approach U.S. Case Study." (2025).

Rapp, Vi H."Integrated Energy Management Training for Creating the Next Generation of Strategic Energy Managers." (2025).

Therkelsen, Peter L."ISO 50100: Ensuring Fairness and a Level Playing Field for U.S. Manufacturers in Global Emissions Reporting and International Trade." (2025).

2024

Rogers, Ethan, and Vi H Rapp."US DOE Webinar: Energy Management Systems Training Materials." (2024).

Schmick, Rory."ISO 50111: Standardizing Decarbonization with Energy Management Systems." (2024).

Fuchs, Heidi."Making Energy Management Systems Case Studies Easily Searchable and Shareable." (2024).

Rogers, Ethan, and Vi H Rapp."Update on DOE ISO 50001 Programs." (2024).

Kam, Kendall, and Vestal Tutterow."50001 Ready Program: Implementing an Energy Management System (EnMS)." (2024).

Fuchs, Heidi, and William Miller."DOE 50001 Ready Update." (2024).

Therkelsen, Peter L, and Alison Ward."Performance Pro - Continual Improvement with 50001 Ready: Implementation of 50001 Ready at Boise School District." (2024).

2023

Fitzgerald, Patrick, Peter L Therkelsen, Paul Sheaffer, and Prakash Rao."Deeper and persistent energy savings and carbon dioxide reductions achieved through ISO 50001 in the manufacturing sector."Sustainable Energy Technologies and Assessments 57 (2023) 103280. DOI

Miller, William, and Heidi Fuchs."50001 Ready: A Proven Platform for Decarbonization." (2023).

Therkelsen, Peter L."Driving Decarbonization with 50001 Ready." (2023).

Fuchs, Heidi, Peter L Therkelsen, William Miller, Graziella Siciliano, and Paul Sheaffer."ISO 50001-Based Energy Management Systems as a Practical Path for Decarbonization: Initial Findings from a Survey of Technical Assistance Cohort Participants."Energies 16.14 (2023) 5441. DOI

Therkelsen, Peter L."ISO 50001: A Cross-sectoral Proven Platform for Decarbonization." (2023).

Schmick, Rory, and Heidi Fuchs."Pathway to Decarbonization: 50001 Ready and GHG Emissions Reduction Planning Framework." (2023).

Schmick, Rory, Vi H Rapp, Paul Sheaffer, Peter L Therkelsen, Kara McCluskey, and Kevin Martin."Preparing the Next Generation of Strategic Energy Managers." (2023).

2022

Therkelsen, Peter L."ISO's "High Level Structure" - The Framework Uniting Management Systems." (2022).

Fuchs, Heidi."Organizational Behavior Insights from 50001 Ready Technical Assistance Cohorts." (2022).

Miller, William, Heidi Fuchs, and Peter L Therkelsen."Strategic Energy Management and Metrics for Market Transformation." (2022).

Therkelsen, Peter L."The 50001 Ready Navigator (Online Application) and Its Implementation For Small and Medium Businesses." (2022).

2021

Therkelsen, Peter L."Carbon Management Requires Energy Management." (2021).

Tutterow, Vestal, and Ethan Rogers."Energy Management and Product Sustainability Standards – A Key Link to Sustainable Supply Chains."ACEEE Summer Study for Energy Efficiency in Industry (2021).