Solar energy in Hsinchu, Taiwan
Average irradiation 4.13 kWh/m²/day · ~1206 kWh per kWp per year
Monthly solar irradiation & temperature in Hsinchu (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.70 | 14.3 | 66 |
| Feb | 2.98 | 15.2 | 73 |
| Mar | 3.54 | 17.2 | 86 |
| Apr | 4.08 | 20.8 | 99 |
| May | 4.72 | 24.1 | 115 |
| Jun | 5.24 | 26.3 | 127 |
| Jul | 6.00 | 27.7 | 146 |
| Aug | 5.41 | 27.3 | 132 |
| Sep | 4.86 | 25.6 | 118 |
| Oct | 4.22 | 22.6 | 103 |
| Nov | 3.14 | 20.0 | 76 |
| Dec | 2.67 | 16.1 | 65 |
Solar potential of Hsinchu explained
Hsinchu receives an average of 4.13 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 1206 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This is a solid mid-range solar resource: production is meaningful year-round, though winter output drops noticeably.
Frequently asked questions
Is solar worth it in Hsinchu?
With 4.13 kWh/m²/day of average irradiation, a 1 kWp system in Hsinchu produces roughly 1206 kWh per year. That is a good solar resource; with current panel prices most systems pay back well within their lifetime.
How much electricity would a 5 kW system produce in Hsinchu?
Approximately 6,000 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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