Solar energy in Ho Chi Minh City, Vietnam
Average irradiation 5.2 kWh/m²/day · ~1518 kWh per kWp per year
Monthly solar irradiation & temperature in Ho Chi Minh City (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.08 | 26.2 | 124 |
| Feb | 5.87 | 28.0 | 143 |
| Mar | 6.16 | 29.8 | 150 |
| Apr | 6.08 | 30.7 | 148 |
| May | 5.31 | 29.4 | 129 |
| Jun | 4.96 | 27.4 | 121 |
| Jul | 4.92 | 26.7 | 120 |
| Aug | 4.94 | 26.6 | 120 |
| Sep | 4.85 | 26.5 | 118 |
| Oct | 4.80 | 26.5 | 117 |
| Nov | 4.78 | 26.3 | 116 |
| Dec | 4.66 | 25.7 | 113 |
Solar potential of Ho Chi Minh City explained
Ho Chi Minh City receives an average of 5.2 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 1518 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Ho Chi Minh City among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Ho Chi Minh City?
With 5.2 kWh/m²/day of average irradiation, a 1 kWp system in Ho Chi Minh City produces roughly 1518 kWh per year. That is an excellent solar resource — payback periods are typically among the shortest worldwide.
How much electricity would a 5 kW system produce in Ho Chi Minh City?
Approximately 8,000 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%.
Compare with nearby cities
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