Solar energy in Butuan, Philippines
Average irradiation 4.79 kWh/m²/day · ~1399 kWh per kWp per year
Monthly solar irradiation & temperature in Butuan (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.82 | 23.9 | 93 |
| Feb | 4.40 | 23.8 | 107 |
| Mar | 5.13 | 24.3 | 125 |
| Apr | 5.52 | 25.2 | 134 |
| May | 5.32 | 25.9 | 129 |
| Jun | 5.01 | 25.6 | 122 |
| Jul | 4.93 | 25.4 | 120 |
| Aug | 5.14 | 25.6 | 125 |
| Sep | 5.07 | 25.5 | 123 |
| Oct | 4.87 | 25.4 | 118 |
| Nov | 4.32 | 24.9 | 105 |
| Dec | 3.96 | 24.5 | 96 |
Solar potential of Butuan explained
Butuan receives an average of 4.79 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 1399 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Butuan among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Butuan?
With 4.79 kWh/m²/day of average irradiation, a 1 kWp system in Butuan produces roughly 1399 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 Butuan?
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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