Solar energy in Mataram, Indonesia
Average irradiation 5.57 kWh/m²/day · ~1626 kWh per kWp per year
Monthly solar irradiation & temperature in Mataram (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.21 | 26.4 | 127 |
| Feb | 5.34 | 26.4 | 130 |
| Mar | 5.42 | 26.6 | 132 |
| Apr | 5.49 | 26.9 | 134 |
| May | 5.24 | 26.4 | 127 |
| Jun | 5.01 | 25.6 | 122 |
| Jul | 5.19 | 25.1 | 126 |
| Aug | 5.76 | 25.3 | 140 |
| Sep | 6.37 | 26.3 | 155 |
| Oct | 6.51 | 27.4 | 158 |
| Nov | 6.07 | 27.7 | 148 |
| Dec | 5.20 | 26.9 | 126 |
Solar potential of Mataram explained
Mataram receives an average of 5.57 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 1626 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Mataram among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Mataram?
With 5.57 kWh/m²/day of average irradiation, a 1 kWp system in Mataram produces roughly 1626 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 Mataram?
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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