How much electricity do solar panels make in Qiqihar, People's Republic of China?
≈ 6,260 kWh a year
In Qiqihar, 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 (45°) make about 6,260 kWh of electricity a year — 1,565 kWh for every installed kilowatt.
1,565 kWh/kWpspecific yield per year
45°best yearly panel tilt
1,444 kWh/m²yearly sunlight on level ground
Marchbest month (December lowest)
Solar energy month by month in Qiqihar
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 499 | 125 |
| February | 551 | 138 |
| March | 645 | 161 |
| April | 584 | 146 |
| May | 565 | 141 |
| June | 505 | 126 |
| July | 506 | 126 |
| August | 516 | 129 |
| September | 539 | 135 |
| October | 537 | 134 |
| November | 436 | 109 |
| December | 378 | 95 |
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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