Preliminary design: economic evaluation
Costs are specified for modules, other components, mounting, financial costs, taxes, and so on.
Modules and inverter costs are dependent on the quantities.
Mounting and maintenance costs follow an exponential rule based on a 5 kWp system with an exponential coefficient of 0.8:
\(Cost = (Pnom / 5 kWp)**0.8 * Basecost\) (for 5kWp).
These hypothetical default financial parameters can be adjusted by choosing "Edit costs" in the economic results sheet.
Please note that at this pre-design stage, costs are based on rough assumptions and can vary widely between countries, over time, and between users (what costs are included? customer or retailer costs? which building interventions? designer fees? taxes? etc.).
The economic evaluation in the detailed simulation stage provides a flexible, more precise tool for evaluating real costs according to specific user criteria.