Solar energy in Yunfu, China
Average irradiation 3.8 kWh/m²/day · ~1110 kWh per kWp per year
Monthly solar irradiation & temperature in Yunfu (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.80 | 12.8 | 68 |
| Feb | 2.83 | 15.9 | 69 |
| Mar | 2.91 | 19.2 | 71 |
| Apr | 3.47 | 22.9 | 84 |
| May | 4.26 | 25.5 | 104 |
| Jun | 4.42 | 26.9 | 108 |
| Jul | 5.01 | 27.3 | 122 |
| Aug | 4.78 | 27.3 | 116 |
| Sep | 4.45 | 25.9 | 108 |
| Oct | 4.13 | 22.7 | 100 |
| Nov | 3.47 | 18.8 | 84 |
| Dec | 3.04 | 13.6 | 74 |
Solar potential of Yunfu explained
Yunfu receives an average of 3.8 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 1110 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 Yunfu?
With 3.8 kWh/m²/day of average irradiation, a 1 kWp system in Yunfu produces roughly 1110 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 Yunfu?
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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