Mind the gap: predicted vs actual performance of green buildings

Melbourne’s Council House 2 (CH2), a 6-star Green Star rated buildingThis note was reviewed in September 2018 and retained for legacy.

This paper reviews the major North American and Australian sustainability rating tools to determine how they measure building energy performance. It then reviews the major building energy simulation software packages. The paper then details some of the literature surrounding predicted vs. actual energy performance in green buildings, and concludes with an argument for a more performance-orientated ratings regime.

note summary
  1. Introduction
  2. Rating tools
  3. Building Energy Simulation Software
  4. How Green Certified Buildings are Performing
  5. Conclusions & Recommendations