Solar energy in Kupang, Indonesia
Average irradiation 5.92 kWh/m²/day · ~1729 kWh per kWp per year
Monthly solar irradiation & temperature in Kupang (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.51 | 26.6 | 134 |
| Feb | 5.74 | 26.5 | 140 |
| Mar | 5.70 | 26.6 | 139 |
| Apr | 5.85 | 26.9 | 142 |
| May | 5.36 | 26.7 | 130 |
| Jun | 4.93 | 26.0 | 120 |
| Jul | 5.28 | 25.6 | 128 |
| Aug | 6.10 | 25.9 | 148 |
| Sep | 6.78 | 27.3 | 165 |
| Oct | 7.06 | 28.7 | 172 |
| Nov | 6.88 | 29.3 | 167 |
| Dec | 5.82 | 27.7 | 142 |
Solar potential of Kupang explained
Kupang receives an average of 5.92 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 1729 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Kupang among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Kupang?
With 5.92 kWh/m²/day of average irradiation, a 1 kWp system in Kupang produces roughly 1729 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 Kupang?
Approximately 9,000 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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