Solar energy in Huainan, China
Average irradiation 3.58 kWh/m²/day · ~1045 kWh per kWp per year
Monthly solar irradiation & temperature in Huainan (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.14 | 1.6 | 52 |
| Feb | 2.57 | 4.7 | 63 |
| Mar | 3.73 | 10.1 | 91 |
| Apr | 4.48 | 16.4 | 109 |
| May | 4.77 | 22.1 | 116 |
| Jun | 4.61 | 26.2 | 112 |
| Jul | 4.67 | 28.4 | 114 |
| Aug | 4.48 | 27.5 | 109 |
| Sep | 3.81 | 23.0 | 93 |
| Oct | 3.10 | 17.1 | 76 |
| Nov | 2.47 | 10.2 | 60 |
| Dec | 2.12 | 3.3 | 52 |
Solar potential of Huainan explained
Huainan receives an average of 3.58 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 1045 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 Huainan?
With 3.58 kWh/m²/day of average irradiation, a 1 kWp system in Huainan produces roughly 1045 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 Huainan?
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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