Solar energy in Chinju, South Korea
Average irradiation 4.02 kWh/m²/day · ~1174 kWh per kWp per year
Monthly solar irradiation & temperature in Chinju (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.71 | 0.8 | 66 |
| Feb | 3.40 | 3.0 | 83 |
| Mar | 4.40 | 6.9 | 107 |
| Apr | 5.09 | 12.1 | 124 |
| May | 5.59 | 17.2 | 136 |
| Jun | 5.07 | 21.2 | 123 |
| Jul | 4.44 | 24.6 | 108 |
| Aug | 4.59 | 25.7 | 112 |
| Sep | 3.94 | 21.5 | 96 |
| Oct | 3.68 | 15.7 | 89 |
| Nov | 2.80 | 9.3 | 68 |
| Dec | 2.49 | 2.9 | 60 |
Solar potential of Chinju explained
Chinju receives an average of 4.02 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 1174 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 Chinju?
With 4.02 kWh/m²/day of average irradiation, a 1 kWp system in Chinju produces roughly 1174 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 Chinju?
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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