Solar energy in Zamboanga, Philippines
Average irradiation 5.27 kWh/m²/day · ~1539 kWh per kWp per year
Monthly solar irradiation & temperature in Zamboanga (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.00 | 27.1 | 122 |
| Feb | 5.57 | 27.2 | 135 |
| Mar | 5.90 | 27.6 | 144 |
| Apr | 5.82 | 28.1 | 141 |
| May | 5.29 | 28.1 | 129 |
| Jun | 4.88 | 27.6 | 119 |
| Jul | 4.89 | 27.3 | 119 |
| Aug | 5.20 | 27.3 | 127 |
| Sep | 5.29 | 27.3 | 129 |
| Oct | 5.21 | 27.5 | 127 |
| Nov | 5.16 | 27.8 | 125 |
| Dec | 4.97 | 27.6 | 121 |
Solar potential of Zamboanga explained
Zamboanga receives an average of 5.27 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 1539 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Zamboanga among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Zamboanga?
With 5.27 kWh/m²/day of average irradiation, a 1 kWp system in Zamboanga produces roughly 1539 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 Zamboanga?
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%.
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