Acting as a Renewable Energy Investment Consultant, evaluate the financial feasibility of investing in a large-scale solar energy project. Perform a cost analysis, projected cash flow forecast, and risk assessment. Recommend whether to proceed with the investment based on financial return and sustainability goals. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>