Solar energy in Ambon, Indonesia
Average irradiation 5 kWh/m²/day · ~1460 kWh per kWp per year
Monthly solar irradiation & temperature in Ambon (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.25 | 27.1 | 128 |
| Feb | 5.45 | 27.0 | 133 |
| Mar | 5.45 | 27.1 | 132 |
| Apr | 5.11 | 27.1 | 124 |
| May | 4.65 | 26.7 | 113 |
| Jun | 3.86 | 25.8 | 94 |
| Jul | 3.81 | 25.0 | 93 |
| Aug | 4.49 | 24.8 | 109 |
| Sep | 5.07 | 25.4 | 123 |
| Oct | 5.77 | 26.4 | 140 |
| Nov | 5.78 | 27.4 | 141 |
| Dec | 5.31 | 27.4 | 129 |
Solar potential of Ambon explained
Ambon receives an average of 5 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 1460 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Ambon among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Ambon?
With 5 kWh/m²/day of average irradiation, a 1 kWp system in Ambon produces roughly 1460 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 Ambon?
Approximately 7,000 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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