Solar energy in Yangjiang, China
Average irradiation 4.12 kWh/m²/day · ~1203 kWh per kWp per year
Monthly solar irradiation & temperature in Yangjiang (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.00 | 14.8 | 73 |
| Feb | 3.06 | 17.5 | 74 |
| Mar | 3.30 | 20.6 | 80 |
| Apr | 3.95 | 23.9 | 96 |
| May | 4.90 | 26.5 | 119 |
| Jun | 5.00 | 27.5 | 122 |
| Jul | 5.38 | 27.7 | 131 |
| Aug | 4.97 | 27.7 | 121 |
| Sep | 4.66 | 26.6 | 113 |
| Oct | 4.34 | 23.6 | 106 |
| Nov | 3.72 | 20.1 | 90 |
| Dec | 3.17 | 15.5 | 77 |
Solar potential of Yangjiang explained
Yangjiang receives an average of 4.12 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 1203 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 Yangjiang?
With 4.12 kWh/m²/day of average irradiation, a 1 kWp system in Yangjiang produces roughly 1203 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 Yangjiang?
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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