Your Saudi Solar Project's Year-5 Performance Report Will Look Nothing Like the Installer's Projection Here's How to Audit It Yourself
Your installer's proposal showed a 25-year yield projection with a smooth downward curve and a payback period of 6–8 years. Three to five years into operation, you pull the actual generation data and the numbers don't match. The system is producing 12%, 18%, sometimes 25% less than projected. The installer says it's "within normal variance." Your finance team wants to know why the ROI calculation is off by hundreds of thousands of riyals. This article gives you the exact methodology to find out who is right — and what to do about it. Why Saudi Solar Systems Underperform Their Projections: The Six Root Causes Before auditing your system, you need to understand that underperformance in Saudi Arabia is almost never caused by a single factor. It is almost always the compounding effect of multiple losses that were either incorrectly modeled at the design stage or developed over time without detection. The six root causes, ranked by typical financial impa...