How much electricity do solar panels make in Chennai, India?
≈ 6,306 kWh a year
In Chennai, India, ten 400 W mono PERC solar panels (4 kWp) on a roof facing the equator at the best yearly tilt (10°) make about 6,306 kWh of electricity a year — 1,576 kWh for every installed kilowatt.
1,576 kWh/kWpspecific yield per year
10°best yearly panel tilt
1,935 kWh/m²yearly sunlight on level ground
Marchbest month (November lowest)
Solar energy month by month in Chennai
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 547 | 137 |
| February | 561 | 140 |
| March | 646 | 162 |
| April | 611 | 153 |
| May | 568 | 142 |
| June | 496 | 124 |
| July | 483 | 121 |
| August | 498 | 124 |
| September | 501 | 125 |
| October | 489 | 122 |
| November | 444 | 111 |
| December | 460 | 115 |
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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