Solar energy in Hamhŭng, North Korea
Average irradiation 3.81 kWh/m²/day · ~1113 kWh per kWp per year
Monthly solar irradiation & temperature in Hamhŭng (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.36 | -7.5 | 57 |
| Feb | 3.17 | -5.0 | 77 |
| Mar | 4.22 | 0.8 | 103 |
| Apr | 5.07 | 7.8 | 123 |
| May | 5.48 | 14.7 | 133 |
| Jun | 5.06 | 19.3 | 123 |
| Jul | 4.30 | 22.0 | 105 |
| Aug | 4.23 | 21.9 | 103 |
| Sep | 3.97 | 17.0 | 97 |
| Oct | 3.36 | 10.3 | 82 |
| Nov | 2.38 | 1.9 | 58 |
| Dec | 2.13 | -5.7 | 52 |
Solar potential of Hamhŭng explained
Hamhŭng receives an average of 3.81 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 1113 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 Hamhŭng?
With 3.81 kWh/m²/day of average irradiation, a 1 kWp system in Hamhŭng produces roughly 1113 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 Hamhŭng?
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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