March 2016 - IRIS v4.0 Released (current version)
Immaterial change. Minor revision to definition language for clarity.
March 2014 - IRIS v3.0 Released
Material change. Metric definition modified to provide clarity based on best practices and standard guidance.
November 2011 - IRIS v2.2 Released
Immaterial change. Client Individuals Provided New Access (PI2822) replaced Clients Provided New Access - Consumers (PI2822). Metric name changed to maintain consistency with IRIS structure.
February 2011 - IRIS v2.1 Released
September 2010 - IRIS v2.0 Released
Material change. Clients Provided New Access - Consumers (PI2822) replaced New Access to Energy: Households (EE11). Metric modified to increase clarity.
September 2009 - IRIS v1.0 Released
New metric. New Access to Energy: Households (EE11) developed via Original IRIS Working Group.