Solar energy in Huế, Vietnam
Average irradiation 4.22 kWh/m²/day · ~1232 kWh per kWp per year
Monthly solar irradiation & temperature in Huế (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.90 | 20.5 | 71 |
| Feb | 3.86 | 21.4 | 94 |
| Mar | 4.21 | 23.6 | 102 |
| Apr | 4.91 | 26.2 | 120 |
| May | 5.53 | 27.9 | 134 |
| Jun | 5.54 | 28.6 | 135 |
| Jul | 5.24 | 28.4 | 128 |
| Aug | 5.03 | 28.1 | 122 |
| Sep | 4.52 | 27.1 | 110 |
| Oct | 3.61 | 25.4 | 88 |
| Nov | 2.98 | 23.8 | 72 |
| Dec | 2.34 | 21.4 | 57 |
Solar potential of Huế explained
Huế receives an average of 4.22 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 1232 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 Huế?
With 4.22 kWh/m²/day of average irradiation, a 1 kWp system in Huế produces roughly 1232 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 Huế?
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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