Solar Panel Requirement Calculator

Estimate the solar system size and number of panels needed to meet your electricity consumption.

Please enter valid electricity consumption, sun hours, panel wattage and system loss values.

Monthly Electricity Consumption

kWh/month

Average Peak Sun Hours

hours/day

Peak sun hours vary by location and season. Use your local annual average for a better estimate.

Solar Panel Wattage

W/panel

Estimated System Loss

Accounts for typical losses from inverter efficiency, temperature, wiring, dust and other system factors.

Approx. Roof Area per Panel

sq ft

Estimated Solar Requirement

0 Panels

Estimated number of solar panels required.

Required Solar Capacity 0 kW

Installed Panel Capacity 0 kW

Estimated Monthly Generation 0 kWh

Estimated Annual Generation 0 kWh

Approx. Rooftop Area 0 sq ft

Energy Coverage 0%

This calculator provides an indicative estimate. Actual solar output depends on location, roof orientation, tilt, shading, temperature, equipment efficiency, maintenance and local weather conditions.

Reset calculator