About this Site

Welcome to the leading online hub for global rating & disclosure policy. We provide resources on building energy performance rating and disclosure practices worldwide. Through various content and visualization tools, you can learn how energy rating works, compare local policies, and gain access to the resources you need to understand how rating and disclosure affects your community.

The Institute for Market Transformation and the Natural Resources Defense Council launched this project in early 2011 to facilitate the sharing of global intelligence and best practices.



Our Tools:


Policy Map

Track rating & disclosure policies worldwide at the national, regional, & municipal level.


Document Library

Search hundreds of documents related to the science, policy, and economics of rating & disclosure.


Energy Label Gallery

Browse through energy ratings, labels and certificates from dozens of localities around the world.

Policy Graphic

Policy Comparison

Use visualizations of policy characteristics to compare various rating & disclosure mandates.

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Policy Briefs

Read summaries of local rating and disclosure policies and find useful links and documents for each locality.

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The Institute for Market Transformation (IMT)

IMT Intsitute for Market Transformation LogoThe Institute for Market Transformation (IMT) is a Washington, DC-based nonprofit organization promoting energy efficiency, green building and environmental protection in the United States and abroad. IMT’s work addresses market failures that inhibit investment in energy efficiency and sustainability in the building sector. For more information, please see www.imt.org.


The Natural Resources Defense Council (NRDC)

NRDC Natural Resource Defense Council LogoThe Natural Resources Defense Council (NRDC) is the nation's most effective environmental action group, combining the grassroots power of 1.3 million members and online activists with the courtroom clout and expertise of more than 350 lawyers, scientists and other professionals. www.nrdc.org