Solar energy in Aomori, Japan
Average irradiation 3.28 kWh/m²/day · ~958 kWh per kWp per year
Monthly solar irradiation & temperature in Aomori (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 1.32 | -0.8 | 32 |
| Feb | 2.02 | -0.7 | 49 |
| Mar | 3.16 | 2.4 | 77 |
| Apr | 4.38 | 7.1 | 106 |
| May | 5.02 | 12.6 | 122 |
| Jun | 5.10 | 17.0 | 124 |
| Jul | 4.48 | 21.0 | 109 |
| Aug | 4.44 | 22.9 | 108 |
| Sep | 3.82 | 19.7 | 93 |
| Oct | 2.78 | 13.7 | 68 |
| Nov | 1.71 | 7.2 | 42 |
| Dec | 1.19 | 1.4 | 29 |
Solar potential of Aomori explained
Aomori receives an average of 3.28 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 958 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. While winters are dark, modern panel prices mean solar can still be economical — self-consumption value matters more than raw sunshine here.
Frequently asked questions
Is solar worth it in Aomori?
With 3.28 kWh/m²/day of average irradiation, a 1 kWp system in Aomori produces roughly 958 kWh per year. That is a moderate solar resource; economics depend more on local electricity prices and incentives, which our AI planner can research for you.
How much electricity would a 5 kW system produce in Aomori?
Approximately 5,000 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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