Solar energy in Weifang, China
Average irradiation 4.02 kWh/m²/day · ~1174 kWh per kWp per year
Monthly solar irradiation & temperature in Weifang (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.43 | -2.2 | 59 |
| Feb | 3.12 | 0.6 | 76 |
| Mar | 4.45 | 6.5 | 108 |
| Apr | 5.22 | 13.6 | 127 |
| May | 5.72 | 20.3 | 139 |
| Jun | 5.36 | 25.0 | 130 |
| Jul | 4.77 | 27.2 | 116 |
| Aug | 4.62 | 26.1 | 112 |
| Sep | 4.27 | 21.6 | 104 |
| Oct | 3.46 | 14.9 | 84 |
| Nov | 2.60 | 6.6 | 63 |
| Dec | 2.23 | -0.5 | 54 |
Solar potential of Weifang explained
Weifang receives an average of 4.02 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 1174 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 Weifang?
With 4.02 kWh/m²/day of average irradiation, a 1 kWp system in Weifang produces roughly 1174 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 Weifang?
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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