Energy Efficiency evaluation published

Our 2015 report on measuring energy savings from NSW Office of Environment and Heritage (OEH) 2007-13 energy efficiency programs has been published on their revamped website. The report was part of a four-year evaluation support project, and follows from the 2012 report. The new report syntheses savings from activities undertaken in 2013 and 2014 to address the lack of reliable evidence of energy savings from energy efficiency programs. It highlights the substantial achievement OEH has made in moving from savings based on engineering estimates (deemed savings) to verified energy savings based on ‘before-and-after’ analysis—consistent with international best practice measurement. Methods included billing data analysis and Measurement and Verification (M&V). The measurements demonstrated that the interventions in each of the programs achieved real and substantial energy savings and reductions in electricity bills at sites studied. The capacity to generalise these findings to all sites in each sector varied with the samples of the measurement studies.

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