How much electricity do solar panels make in Qingdao, People's Republic of China?
≈ 5,442 kWh a year
In Qingdao, 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 (30°) make about 5,442 kWh of electricity a year — 1,361 kWh for every installed kilowatt.
1,361 kWh/kWpspecific yield per year
30°best yearly panel tilt
1,451 kWh/m²yearly sunlight on level ground
Maybest month (December lowest)
Solar energy month by month in Qingdao
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 385 | 96 |
| February | 392 | 98 |
| March | 542 | 135 |
| April | 536 | 134 |
| May | 547 | 137 |
| June | 474 | 118 |
| July | 448 | 112 |
| August | 465 | 116 |
| September | 465 | 116 |
| October | 452 | 113 |
| November | 377 | 94 |
| December | 361 | 90 |
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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