Solar energy in Cangzhou, China
Average irradiation 3.99 kWh/m²/day · ~1165 kWh per kWp per year
Monthly solar irradiation & temperature in Cangzhou (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.36 | -3.6 | 57 |
| Feb | 3.04 | -0.4 | 74 |
| Mar | 4.50 | 6.0 | 109 |
| Apr | 5.34 | 14.1 | 130 |
| May | 5.92 | 21.4 | 144 |
| Jun | 5.37 | 26.1 | 131 |
| Jul | 4.79 | 27.7 | 117 |
| Aug | 4.58 | 26.0 | 111 |
| Sep | 4.11 | 21.2 | 100 |
| Oct | 3.26 | 13.6 | 79 |
| Nov | 2.47 | 4.6 | 60 |
| Dec | 2.15 | -2.1 | 52 |
Solar potential of Cangzhou explained
Cangzhou receives an average of 3.99 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 1165 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 Cangzhou?
With 3.99 kWh/m²/day of average irradiation, a 1 kWp system in Cangzhou produces roughly 1165 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 Cangzhou?
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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