Charts
Solar panel output per day chart
This table estimates one panel's daily energy from rated wattage and peak sun hours. It does not predict output for a specific address.
| Panel rating (W) | 3 PSH (kWh/day) | 4 PSH (kWh/day) | 5 PSH (kWh/day) | 6 PSH (kWh/day) |
|---|---|---|---|---|
| 50 | 0.12 | 0.16 | 0.2 | 0.24 |
| 100 | 0.24 | 0.32 | 0.4 | 0.48 |
| 150 | 0.36 | 0.48 | 0.6 | 0.72 |
| 200 | 0.48 | 0.64 | 0.8 | 0.96 |
| 250 | 0.6 | 0.8 | 1 | 1.2 |
| 300 | 0.72 | 0.96 | 1.2 | 1.44 |
| 350 | 0.84 | 1.12 | 1.4 | 1.68 |
| 400 | 0.96 | 1.28 | 1.6 | 1.92 |
| 450 | 1.08 | 1.44 | 1.8 | 2.16 |
| 500 | 1.2 | 1.6 | 2 | 2.4 |
| 550 | 1.32 | 1.76 | 2.2 | 2.64 |
| 600 | 1.44 | 1.92 | 2.4 | 2.88 |
- Panel rating (W): 50
- 3 PSH (kWh/day)
- 0.12
- 4 PSH (kWh/day)
- 0.16
- 5 PSH (kWh/day)
- 0.2
- 6 PSH (kWh/day)
- 0.24
- Panel rating (W): 100
- 3 PSH (kWh/day)
- 0.24
- 4 PSH (kWh/day)
- 0.32
- 5 PSH (kWh/day)
- 0.4
- 6 PSH (kWh/day)
- 0.48
- Panel rating (W): 150
- 3 PSH (kWh/day)
- 0.36
- 4 PSH (kWh/day)
- 0.48
- 5 PSH (kWh/day)
- 0.6
- 6 PSH (kWh/day)
- 0.72
- Panel rating (W): 200
- 3 PSH (kWh/day)
- 0.48
- 4 PSH (kWh/day)
- 0.64
- 5 PSH (kWh/day)
- 0.8
- 6 PSH (kWh/day)
- 0.96
- Panel rating (W): 250
- 3 PSH (kWh/day)
- 0.6
- 4 PSH (kWh/day)
- 0.8
- 5 PSH (kWh/day)
- 1
- 6 PSH (kWh/day)
- 1.2
- Panel rating (W): 300
- 3 PSH (kWh/day)
- 0.72
- 4 PSH (kWh/day)
- 0.96
- 5 PSH (kWh/day)
- 1.2
- 6 PSH (kWh/day)
- 1.44
- Panel rating (W): 350
- 3 PSH (kWh/day)
- 0.84
- 4 PSH (kWh/day)
- 1.12
- 5 PSH (kWh/day)
- 1.4
- 6 PSH (kWh/day)
- 1.68
- Panel rating (W): 400
- 3 PSH (kWh/day)
- 0.96
- 4 PSH (kWh/day)
- 1.28
- 5 PSH (kWh/day)
- 1.6
- 6 PSH (kWh/day)
- 1.92
- Panel rating (W): 450
- 3 PSH (kWh/day)
- 1.08
- 4 PSH (kWh/day)
- 1.44
- 5 PSH (kWh/day)
- 1.8
- 6 PSH (kWh/day)
- 2.16
- Panel rating (W): 500
- 3 PSH (kWh/day)
- 1.2
- 4 PSH (kWh/day)
- 1.6
- 5 PSH (kWh/day)
- 2
- 6 PSH (kWh/day)
- 2.4
- Panel rating (W): 550
- 3 PSH (kWh/day)
- 1.32
- 4 PSH (kWh/day)
- 1.76
- 5 PSH (kWh/day)
- 2.2
- 6 PSH (kWh/day)
- 2.64
- Panel rating (W): 600
- 3 PSH (kWh/day)
- 1.44
- 4 PSH (kWh/day)
- 1.92
- 5 PSH (kWh/day)
- 2.4
- 6 PSH (kWh/day)
- 2.88
Assumptions
Each result uses one panel, the stated peak sun hours, 80% total system efficiency, and no seasonal multiplier. Shade, orientation, temperature, snow, soiling, clipping, and local weather are not modeled.
How daily output is estimated
Multiply panel watts by peak sun hours and 0.80, then divide by 1,000. A 400W panel at 5 peak sun hours gives 1.6kWh/day under these assumptions.
Related calculator
Solar panel output calculator in kWhRelated reference charts
Questions people ask
How much does a 400W solar panel produce per day?
The table gives 0.96 to 1.92kWh/day across 3 to 6 peak sun hours at 80% system efficiency.
Are peak sun hours the same as daylight hours?
No. Peak sun hours combine the day's solar energy into equivalent hours at 1,000W/m².