Solar energy in Shuangyashan, China
Average irradiation 3.81 kWh/m²/day · ~1113 kWh per kWp per year
Monthly solar irradiation & temperature in Shuangyashan (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.04 | -19.4 | 50 |
| Feb | 3.25 | -15.4 | 79 |
| Mar | 4.36 | -5.8 | 106 |
| Apr | 4.78 | 4.7 | 116 |
| May | 5.28 | 12.8 | 128 |
| Jun | 5.42 | 18.7 | 132 |
| Jul | 5.26 | 21.9 | 128 |
| Aug | 4.74 | 20.4 | 115 |
| Sep | 4.14 | 14.0 | 101 |
| Oct | 2.89 | 4.3 | 70 |
| Nov | 1.90 | -7.0 | 46 |
| Dec | 1.60 | -17.4 | 39 |
Solar potential of Shuangyashan explained
Shuangyashan receives an average of 3.81 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 1113 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 Shuangyashan?
With 3.81 kWh/m²/day of average irradiation, a 1 kWp system in Shuangyashan produces roughly 1113 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 Shuangyashan?
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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