Solar energy in Pekanbaru, Indonesia
Average irradiation 4.7 kWh/m²/day · ~1372 kWh per kWp per year
Monthly solar irradiation & temperature in Pekanbaru (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 4.37 | 25.6 | 106 |
| Feb | 4.61 | 26.0 | 112 |
| Mar | 4.92 | 26.2 | 120 |
| Apr | 5.00 | 26.4 | 121 |
| May | 4.85 | 26.5 | 118 |
| Jun | 4.75 | 26.1 | 116 |
| Jul | 4.77 | 25.9 | 116 |
| Aug | 4.79 | 26.0 | 116 |
| Sep | 4.65 | 26.0 | 113 |
| Oct | 4.72 | 26.0 | 115 |
| Nov | 4.63 | 25.9 | 113 |
| Dec | 4.32 | 25.6 | 105 |
Solar potential of Pekanbaru explained
Pekanbaru receives an average of 4.7 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 1372 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Pekanbaru among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Pekanbaru?
With 4.7 kWh/m²/day of average irradiation, a 1 kWp system in Pekanbaru produces roughly 1372 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 Pekanbaru?
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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