Solar energy in Xiangyang, China
Average irradiation 3.56 kWh/m²/day · ~1040 kWh per kWp per year
Monthly solar irradiation & temperature in Xiangyang (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.15 | 2.1 | 52 |
| Feb | 2.62 | 5.3 | 64 |
| Mar | 3.72 | 11.2 | 90 |
| Apr | 4.43 | 17.2 | 108 |
| May | 4.73 | 22.2 | 115 |
| Jun | 4.78 | 26.5 | 116 |
| Jul | 4.69 | 28.4 | 114 |
| Aug | 4.44 | 27.2 | 108 |
| Sep | 3.61 | 22.5 | 88 |
| Oct | 2.96 | 16.8 | 72 |
| Nov | 2.38 | 10.0 | 58 |
| Dec | 2.14 | 3.7 | 52 |
Solar potential of Xiangyang explained
Xiangyang receives an average of 3.56 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 1040 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 Xiangyang?
With 3.56 kWh/m²/day of average irradiation, a 1 kWp system in Xiangyang produces roughly 1040 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 Xiangyang?
Approximately 5,000 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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