Science & Environment
Solar PV Annual Energy Generation Calculator
Estimate the annual electricity generated by a solar photovoltaic system.
Your inputs
Change any value to update the result instantly.
Annual energy generation
7,884 kWh/yr
Average daily generation
21.6 kWh/day
Monthly average
657 kWh/month
Capacity factor
15 %
Formula and working
E = P_dc × PSH × 365 × derate
- 1
Collect the inputs
System DC capacity = 6 kW; Peak sun hours per day = 4.5 hr; System derate factor = 80 %
- 2
Apply the formula
E = P_dc × PSH × 365 × derate
- 3
Result
Annual energy generation = 7,884 kWh/yr
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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