How much electricity do solar panels make in Riga, Latvia?
≈ 4,129 kWh a year
In Riga, Latvia, ten 400 W mono PERC solar panels (4 kWp) on a roof facing the equator at the best yearly tilt (35°) make about 4,129 kWh of electricity a year — 1,032 kWh for every installed kilowatt.
1,032 kWh/kWpspecific yield per year
35°best yearly panel tilt
1,026 kWh/m²yearly sunlight on level ground
Maybest month (December lowest)
Solar energy month by month in Riga
| Month | 4 kWp system (kWh) | per kWp (kWh) |
|---|---|---|
| January | 98 | 24 |
| February | 189 | 47 |
| March | 375 | 94 |
| April | 492 | 123 |
| May | 589 | 147 |
| June | 565 | 141 |
| July | 555 | 139 |
| August | 488 | 122 |
| September | 368 | 92 |
| October | 240 | 60 |
| November | 100 | 25 |
| December | 70 | 17 |
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.