This file was a report submitted to GTO by Mark Paster, a consultant to the GETEM project, to outline the improvements that were made between summer 2011 and spring 2013. The report focuses on six areas of model improvement: (1) Site Specific Cost Variability; (2) Consistency with other EERE Programs' LCOE Approach and Methodology; (3) Risk Assessment/Cost; (4) Specific Data Gaps, Well Drilling Costs, Power Plant Costs; (5) Future LCOE Projections; and (6) Vetting by Industry.