The push towards sub-metered real-time energy monitoring has begun... Next summer, the U.S. Green Building Council's LEED rating system will add new requirements to better reflect how LEED buildings actually save energy and water and how they can improve by implementing real-time reporting. Sharing data so that other commercial real estate owners can compare their energy use is now going to be required.  USGBC already uses an online database called the Green Building Information Gateway that maps LEED buildings and displays performance data.
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