We have provided a range of demand forecasting services to natural gas distribution companies as part of their Forecast and Supply Plan filings. Services range from complete integrated resource planning to serving as an outside advisor to internal demand forecasting teams. Services include: (i) preparing demand forecasts based on customer and use per customer econometric models, (ii) determining appropriate design day and design year planning standards, (iii) managing and analyzing the gas dispatch model optimization simulations prepared by an outside vendor, (iv) documenting all analysis for filing with the local regulatory agency, and (v) serving as an expert witness supporting all aspects of the filing.