Solar Engineering: Articles & Insights
Technical perspectives on PV simulation, bankability and risk management for utility-scale projects.
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P50 vs P90: the number your debt is sized against
In a utility-scale yield assessment, debt is sized on the P90, not the P50. Why "P50 minus a margin" fails, and how far seven assessors diverged.
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The real cost of a PV simulation error
A 3% bias in modeled yield does not cost 3%. Worked through an illustrative 100 MWdc case: how it reaches the debt, the DSCR and the capital stack.
By Heliosolve Team Read more → -
The 5 Most Common Mistakes in Solar Due Diligence
From unvalidated weather data sources to linear degradation models, these are the technical failures we most often find in solar due diligence reports.
By Heliosolve Team Read more → -
Introduction to Utility-Scale PV Plant Simulation
The fundamentals of energy simulation for utility-scale solar plants: P50/P90 methodology, weather data sources, and what a financing case needs from them.
By Heliosolve Team Read more →