How much electricity do solar panels make in Lijiang, People's Republic of China?
≈ 6,389 kWh a year
In Lijiang, 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 6,389 kWh of electricity a year — 1,597 kWh for every installed kilowatt.
1,597 kWh/kWpspecific yield per year
30°best yearly panel tilt
1,683 kWh/m²yearly sunlight on level ground
Januarybest month (September lowest)
Solar energy month by month in Lijiang
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 656 | 164 |
| February | 592 | 148 |
| March | 607 | 152 |
| April | 537 | 134 |
| May | 515 | 129 |
| June | 453 | 113 |
| July | 417 | 104 |
| August | 441 | 110 |
| September | 411 | 103 |
| October | 506 | 126 |
| November | 607 | 152 |
| December | 647 | 162 |
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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