Peak Sun Hours Calculator
Estimate daily solar energy from peak sun hours and system size.
Compare Your Options And Get Clear Answers
Estimate daily solar energy from peak sun hours and system size.
Peak Sun Hours Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Peak Quick Guide
Typical values for reference.
| Peak sun hours | System size (kW) | System efficiency (%) | Daily solar output |
|---|---|---|---|
| 3.5 | 4 | 80 | 11.2 kWh per day |
| 2 | 4 | 80 | 6.40 kWh per day |
| 5 | 4 | 80 | 16.0 kWh per day |
| 3.5 | 8 | 80 | 22.4 kWh per day |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Peak Sun Hours Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real conditions vary, so treat it as a guide.
Winter output is lower.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.