How much electricity do solar panels make in Kahrīz, Iran?
≈ 7,098 kWh a year
In Kahrīz, Iran, ten 400 W mono PERC solar panels (4 kWp) on a roof facing the equator at the best yearly tilt (25°) make about 7,098 kWh of electricity a year — 1,775 kWh for every installed kilowatt.
1,775 kWh/kWpspecific yield per year
25°best yearly panel tilt
1,960 kWh/m²yearly sunlight on level ground
Junebest month (December lowest)
Solar energy month by month in Kahrīz
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 423 | 106 |
| February | 458 | 115 |
| March | 592 | 148 |
| April | 610 | 153 |
| May | 696 | 174 |
| June | 742 | 186 |
| July | 722 | 181 |
| August | 714 | 179 |
| September | 676 | 169 |
| October | 584 | 146 |
| November | 467 | 117 |
| December | 412 | 103 |
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.