Solar energy in Zunyi, China
Average irradiation 3.08 kWh/m²/day · ~899 kWh per kWp per year
Monthly solar irradiation & temperature in Zunyi (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 1.57 | 4.1 | 38 |
| Feb | 2.16 | 7.4 | 53 |
| Mar | 2.88 | 11.9 | 70 |
| Apr | 3.65 | 16.9 | 89 |
| May | 3.92 | 20.4 | 95 |
| Jun | 3.77 | 22.6 | 92 |
| Jul | 5.00 | 24.5 | 122 |
| Aug | 4.72 | 24.0 | 115 |
| Sep | 3.54 | 21.0 | 86 |
| Oct | 2.28 | 16.3 | 55 |
| Nov | 2.01 | 11.3 | 49 |
| Dec | 1.51 | 5.4 | 37 |
Solar potential of Zunyi explained
Zunyi receives an average of 3.08 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 899 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 Zunyi?
With 3.08 kWh/m²/day of average irradiation, a 1 kWp system in Zunyi produces roughly 899 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 Zunyi?
Approximately 4,000 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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