Specific Production and P90 Query

[icicle]

What are the factors that affect a high specific production and P90 value? I am working on multiple simulations and there is one simulation that always has a high yield (kWh/kWp/day) and I can't figure out why.

[Linda Thoren]

All the most important losses are illustrated in the loss diagram that is generated after running the simulation. Here you can clearly see what kind of losses your project suffer from. The P90 will depend on the variability and uncertainties you define in the Energy management window. 

[icicle]

I have here this P50-P90 report. What is the meaning of variability and why does it have a value of 208 MWh?

[Linda Thoren]

The P50-P90 is fully described in the following youtube tutorial: