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Solar calculator

Solar savings calculator

Province, consumption and your roof drawn on the map → system size, panels, yearly production, savings and payback. Every assumption is visible; all results are estimates.

1Location and use

Use typeSample unit price: 3.15 ₺/kWh

2Consumption

3Roof or land

Zoom to your building, start drawing and click the roof corners. Area is calculated on the sphere.

Monthly production Estimated

kWh per month with the province’s sample distribution. Summer months produce roughly twice the winter months.

25-year cumulative cash flow Estimated

0k1.3M2.5M0y5y10y15y20y25yPayback ≈ 6.4 yrs
Cumulative position (₺)Payback year

All assumptions

Specific yield (İzmir)1,530 kWh/kWp
Azimuth × tilt × shading factor0.95
Panel550 Wp · 2.58 m²
Unit electricity price3.15 ₺/kWh
Self-consumption share%45
Surplus valued at%70 of unit price
Price increase / year%12
Panel degradation / year%0.5
O&M cost / year%0.8 of investment
Unit system cost (excl. VAT)₺31,500/kWp
Grid CO₂ factor0.44 kg/kWh

Values are sample assumptions for this demo. Regulations, tariffs and prices change; a binding figure is only given in the proposal after a site survey.