Solar energy in Shengli, China
Average irradiation 3.91 kWh/m²/day · ~1142 kWh per kWp per year
Monthly solar irradiation & temperature in Shengli (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.25 | -2.4 | 55 |
| Feb | 2.95 | 0.2 | 72 |
| Mar | 4.32 | 6.1 | 105 |
| Apr | 5.12 | 13.4 | 124 |
| May | 5.77 | 20.4 | 140 |
| Jun | 5.38 | 25.2 | 131 |
| Jul | 4.79 | 27.6 | 116 |
| Aug | 4.58 | 26.5 | 111 |
| Sep | 4.12 | 21.8 | 100 |
| Oct | 3.26 | 14.8 | 79 |
| Nov | 2.41 | 6.3 | 59 |
| Dec | 2.04 | -0.6 | 50 |
Solar potential of Shengli explained
Shengli receives an average of 3.91 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 1142 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 Shengli?
With 3.91 kWh/m²/day of average irradiation, a 1 kWp system in Shengli produces roughly 1142 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 Shengli?
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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