Solar Panel Calculator

Estimate your solar potential, energy production, and savings

1. Select Location
Cuenca, Ecuador
2. Roof Area
50
3. Panel Efficiency
Standard (18%)

Monocrystalline

Premium (21%)

High-efficiency

Budget (15%)

Polycrystalline

4. Roof Orientation
0°
5. System Losses
15% Inverter, wiring, soiling
6. Local Electricity Price
$0.12 / kWh

Adjust price based on location selection (2026 rates)

7. Monthly Electricity Bill
$85 / month
$6 / month Connection, public lighting, waste collection — solar does not remove these.
8. System Cost per kW
$3000 / kW

Includes panels, inverter, installation

System Overview
Location & Latitude
Cuenca, Ecuador
2.9°
Roof Area
50
Panel Efficiency
18
%
Orientation
0
°
System Losses
15
%
Electricity Price
0.12
/kWh
System Cost
3000
/kW
Climate Zone
Equatorial
4.8 kWh/m²/day
Peak Capacity
9.0
kW
Total System Cost
27,000
$
Annual Production
13,140
kWh/yr
Bill Covered
100
%
Annual Savings
1,577
$/yr
Payback Period
17.1
years
CO₂ Offset/Year
5,256
kg
30-Year Savings
47,310
$
Specific Yield
--
kWh/kWp/yr

Annual Production

Energy generated by the array, month by month.

Investment Payback

Cumulative savings against the installed cost. The zero line is break-even.

Cost & Payback

Initial Investment $150,000
Annual Savings $1,800
Payback Period 8.3 years
30-Year Savings $54,000
0 kWh
Annual Solar Production
≈ Equivalent to X cars off the road

This is an estimation based on standard solar irradiance data.

Annual production kWh/yr Annual savings $