Skip to main content
PerformanceUp to date · Jan 15, 2026

Capacity Factor

The ratio of actual energy produced by a system to its maximum potential output. Solar typically has a 15-25% capacity factor.

Related Tools

Solar Sizing

Related Terms

Peak Sun Hours

The equivalent number of hours per day when solar irradiance averages 1,000 watts per square meter. Varies by location.

Module Efficiency

The percentage of sunlight that a solar panel converts into electricity. Modern panels range from 15-22% efficient.

← Back to full glossary