As part of the 2010 policy review of the Gas (Downstream Reconciliation) Rules 2008, Gas Industry Co engaged Strata Energy Consulting Limited (Strata) to investigate consumption information estimation methodologies. The project included a review of gas retailers' current forecasting methods, analysis of the accuracy of current estimation methodologies, identification and evaluation of possible improvements that could be made to retailer estimation and/or the initial allocation, and a comparison with estimation accuracy in the electricity sector. The final report contains recommendations on the changes that could be made to improve the accuracy of the information submitted to the allocation agent for the initial allocation.