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April 2021 - IRIS v5.2 Released
No change.
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December 2019 - IRIS v5.1 Released
No change.
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April 2019 - IRIS v5.0 Released
No change.
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February 2016 - IRIS v4.0 Released (current version)
Immaterial change. Energy Generated for Use: Renewable (OI2496) replaced Energy Produced On-site: Renewable (OI2496). Metric name and definition modified to improve accuracy.
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February 2014 - IRIS v3.0 Released
Immaterial change. Minor revision to metric name and definition language for clarity.
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October 2011 - IRIS v2.2 Released
No change.
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January 2011 - IRIS v2.1 Released
No change.
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August 2010 - IRIS v2.0 Released
Material change. Energy Produced On-site: Renewable (OI2496) and Energy Purchased: Renewable (OI3324) replaced Renewable Energy (OEN37). Metric bifurcated in order to increase specificity by distinguishing between purchased and self-produced energy.
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August 2009 - IRIS v1.0 Released
New metric. Renewable Energy (OEN37) developed via Original IRIS Working Group.