Solar energy in Zhangzhou, China
Average irradiation 3.98 kWh/m²/day · ~1162 kWh per kWp per year
Monthly solar irradiation & temperature in Zhangzhou (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.95 | 12.1 | 72 |
| Feb | 3.03 | 14.0 | 74 |
| Mar | 3.38 | 16.5 | 82 |
| Apr | 3.95 | 20.6 | 96 |
| May | 4.20 | 24.1 | 102 |
| Jun | 4.51 | 26.4 | 110 |
| Jul | 5.53 | 27.7 | 135 |
| Aug | 5.11 | 27.5 | 124 |
| Sep | 4.60 | 25.8 | 112 |
| Oct | 4.16 | 21.8 | 101 |
| Nov | 3.33 | 18.0 | 81 |
| Dec | 3.00 | 13.2 | 73 |
Solar potential of Zhangzhou explained
Zhangzhou receives an average of 3.98 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 1162 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 Zhangzhou?
With 3.98 kWh/m²/day of average irradiation, a 1 kWp system in Zhangzhou produces roughly 1162 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 Zhangzhou?
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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