How much electricity do solar panels make in Shijiazhuang, People's Republic of China?
≈ 5,595 kWh a year
In Shijiazhuang, 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 (35°) make about 5,595 kWh of electricity a year — 1,399 kWh for every installed kilowatt.
1,399 kWh/kWpspecific yield per year
35°best yearly panel tilt
1,458 kWh/m²yearly sunlight on level ground
Marchbest month (February lowest)
Solar energy month by month in Shijiazhuang
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 424 | 106 |
| February | 414 | 103 |
| March | 564 | 141 |
| April | 545 | 136 |
| May | 555 | 139 |
| June | 469 | 117 |
| July | 435 | 109 |
| August | 448 | 112 |
| September | 441 | 110 |
| October | 454 | 114 |
| November | 417 | 104 |
| December | 430 | 107 |
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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