Feasibility studies can be conducted to assess the viability and profitability of a project. SunWiz frequently undertakes both initial and detailed feasibility studies for government and commercial buildings. One particular feasibility study conducted for a local government authority was at a community library. This study provided assessment of the best sized system for site, upfront and ongoing costs, various financial scenarios including changing renewable energy certificate prices and cash flow options, system performance over time, load profile of the site, energy price projections and energy export projections. In addition sensitivity analyses can be developed to determine the key risk parameters and identify mitigation strategies.