SolarEstimate

Calculator settings

These values drive every solar estimate, ROI calculation, and savings projection. Override anything that doesn't fit your specific case — your changes stay on this device.

Estimation assumptions

Tweak these to match local pricing and conditions. Saved to your browser only.

e.g. 0.55 = 550 W panels

Conservative annual average for your city

Inverter + wiring + soiling losses; 0.78 is typical

Installed cost, panels + inverter + structure

What you pay per unit today

Typically 0.005 – 0.008

Used for lifetime savings

Typically 25

Around 20 for residential

Installed cost

ISO 4217 — e.g. PKR, USD, EUR

BCP-47 — affects number formatting