Solar Panel Calculator — Output, Savings & Payback

Quick start

Site

Location search, use GPS or click the map

lat

lon

System

System sizeDC peak power

kWp

Panel tilt

Orientation (azimuth)180 = south, 90 = east, 270 = west

Mounting / tracking

Module technology

System advanced

Ventilation

System losseswiring, soiling, mismatch, availability

DC/AC ratiopanel kWp ÷ inverter kW

Ground albedo0.2 grass · 0.3 concrete · 0.8 snow

Bifacial gain factor0 = mono-facial; 70 typical bifaciality

Weather year

Money

Electricity price you pay

€/kWh

Self-consumed sharerest is exported to the grid

Export / feed-in price

€/kWh

Installed costafter subsidies; 0 = skip payback

€

Money advanced

Electricity price growth

%/yr

Panel degradation

%/yr

Maintenance

€/yr

Inverter replacement (year 13)

€

Analysis period

years

Discount rate

Grid emission factorsee your country page

g CO₂/kWh

Currency

Show money values inno conversion: enter prices in this currency

Results

Free calculator by GreenEnergy.net