Solar energy in Yanji, China
Average irradiation 3.85 kWh/m²/day · ~1124 kWh per kWp per year
Monthly solar irradiation & temperature in Yanji (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.29 | -14.5 | 56 |
| Feb | 3.23 | -10.6 | 79 |
| Mar | 4.16 | -2.9 | 101 |
| Apr | 4.85 | 5.9 | 118 |
| May | 5.22 | 13.4 | 127 |
| Jun | 5.24 | 18.5 | 127 |
| Jul | 4.76 | 21.5 | 116 |
| Aug | 4.58 | 21.0 | 112 |
| Sep | 4.28 | 15.1 | 104 |
| Oct | 3.34 | 6.3 | 81 |
| Nov | 2.29 | -3.7 | 56 |
| Dec | 1.93 | -12.6 | 47 |
Solar potential of Yanji explained
Yanji receives an average of 3.85 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 1124 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 Yanji?
With 3.85 kWh/m²/day of average irradiation, a 1 kWp system in Yanji produces roughly 1124 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 Yanji?
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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