Solar energy in Hulan Ergi, China
Average irradiation 3.95 kWh/m²/day · ~1153 kWh per kWp per year
Monthly solar irradiation & temperature in Hulan Ergi (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 1.90 | -18.5 | 46 |
| Feb | 3.05 | -14.3 | 74 |
| Mar | 4.34 | -3.8 | 106 |
| Apr | 5.28 | 6.5 | 128 |
| May | 5.83 | 15.1 | 142 |
| Jun | 5.75 | 21.4 | 140 |
| Jul | 5.53 | 24.0 | 134 |
| Aug | 5.04 | 21.9 | 123 |
| Sep | 4.26 | 14.8 | 104 |
| Oct | 3.09 | 4.8 | 75 |
| Nov | 1.91 | -6.5 | 46 |
| Dec | 1.41 | -16.6 | 34 |
Solar potential of Hulan Ergi explained
Hulan Ergi receives an average of 3.95 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 1153 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 Hulan Ergi?
With 3.95 kWh/m²/day of average irradiation, a 1 kWp system in Hulan Ergi produces roughly 1153 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 Hulan Ergi?
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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