Solar energy in Laohekou, China
Average irradiation 3.55 kWh/m²/day · ~1037 kWh per kWp per year
Monthly solar irradiation & temperature in Laohekou (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.25 | 1.9 | 55 |
| Feb | 2.64 | 5.2 | 64 |
| Mar | 3.71 | 11.1 | 90 |
| Apr | 4.45 | 17.3 | 108 |
| May | 4.73 | 22.4 | 115 |
| Jun | 4.83 | 26.9 | 117 |
| Jul | 4.67 | 28.8 | 114 |
| Aug | 4.31 | 27.5 | 105 |
| Sep | 3.48 | 22.7 | 85 |
| Oct | 2.91 | 16.8 | 71 |
| Nov | 2.40 | 9.8 | 58 |
| Dec | 2.17 | 3.5 | 53 |
Solar potential of Laohekou explained
Laohekou receives an average of 3.55 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 1037 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 Laohekou?
With 3.55 kWh/m²/day of average irradiation, a 1 kWp system in Laohekou produces roughly 1037 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 Laohekou?
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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