How much electricity do solar panels make in Wuxi, People's Republic of China?
≈ 4,748 kWh a year
In Wuxi, People's Republic of China, ten 400 W mono PERC solar panels (4 kWp) on a roof facing the equator at the best yearly tilt (25°) make about 4,748 kWh of electricity a year — 1,187 kWh for every installed kilowatt.
1,187 kWh/kWpspecific yield per year
25°best yearly panel tilt
1,321 kWh/m²yearly sunlight on level ground
Augustbest month (February lowest)
Solar energy month by month in Wuxi
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 315 | 79 |
| February | 309 | 77 |
| March | 430 | 108 |
| April | 451 | 113 |
| May | 457 | 114 |
| June | 389 | 97 |
| July | 461 | 115 |
| August | 469 | 117 |
| September | 407 | 102 |
| October | 402 | 100 |
| November | 333 | 83 |
| December | 325 | 81 |
How these numbers were calculated
NASA POWER long-term monthly means on a 1° grid around the city, the monthly method of Duffie & Beckman (isotropic sky, each month's average day), panel temperature from NOCT, 10 % other losses and a 96 % inverter. No shading, snow or product-specific data; expect ±10 % against a detailed tool such as PVGIS. To change the number of panels, their rating, tilt, direction or your roof size, use Blorp's free solar roof tool — every result shows its equation and the numbers used.
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