Solar Energy Estimate Calculator
Estimate daily generation from panel capacity and sun hours.
Tool inputs stay in your browser · optional AI search sends your query
Good to know: Energy = kW × equivalent peak sun hours × (1−loss). Sun hours are not daylight hours. This simple estimate is not a site survey, weather forecast or installer yield guarantee.
How to use it (step by step)
- 1Fill in the boxes: “Installed capacity (kW)”, “Equivalent peak sun hours/day”, “System losses (%)”. Example numbers are already there so you can see how it works; replace them with yours.
- 2The result updates instantly as you type (on a phone it is below the boxes).
- 3The bold line is the main answer. Tap Copy next to any value to copy it.
Words to know
- Time card / hours
- Adding up hours worked (minus breaks) to calculate pay. Overtime is time beyond normal hours, often paid at a higher rate.
- Percentage
- A part out of 100. 25% of 200 = 50.
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