Tilt
Angle between the panel and the ground. Optimal tilt varies by latitude.
Glossary
Solar glossary
Quick definitions for the terms you see in the calculator and reports.
Azimuth
Compass direction the array faces (0° = North, 180° = South).
Peak sun hours
Equivalent hours per day at 1,000 W/m² irradiance. Helps size annual yield.
Self-consumption
Share of solar production used on site instead of exporting to the grid.
Feed-in tariff
Rate paid for each kWh you export to the grid.
LCOE
Levelised Cost of Energy: lifetime cost divided by lifetime kWh produced.
Net metering / billing
Policy that lets you offset imports with exports, often monthly or annually.