Solar energy in Putian, China
Average irradiation 3.85 kWh/m²/day · ~1124 kWh per kWp per year
Monthly solar irradiation & temperature in Putian (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.41 | 9.2 | 59 |
| Feb | 2.74 | 11.1 | 67 |
| Mar | 3.45 | 13.8 | 84 |
| Apr | 3.92 | 18.2 | 95 |
| May | 4.35 | 22.0 | 106 |
| Jun | 4.77 | 24.8 | 116 |
| Jul | 5.96 | 26.6 | 145 |
| Aug | 5.41 | 26.3 | 131 |
| Sep | 4.49 | 24.1 | 109 |
| Oct | 3.68 | 19.6 | 90 |
| Nov | 2.69 | 15.7 | 65 |
| Dec | 2.36 | 10.5 | 57 |
Solar potential of Putian explained
Putian receives an average of 3.85 kilowatt-hours of solar energy per square metre per day, measured over four decades of satellite observation. In practical terms, every kilowatt-peak of installed PV capacity yields about 1124 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This is a solid mid-range solar resource: production is meaningful year-round, though winter output drops noticeably.
Frequently asked questions
Is solar worth it in Putian?
With 3.85 kWh/m²/day of average irradiation, a 1 kWp system in Putian produces roughly 1124 kWh per year. That is a good solar resource; with current panel prices most systems pay back well within their lifetime.
How much electricity would a 5 kW system produce in Putian?
Approximately 6,000 kWh per year — enough to cover a large share of a typical household's consumption.
What data is this based on?
Long-term satellite observations from NASA POWER (1981–present) and the PVGIS SARAH3 database, assuming a performance ratio of 80%.
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