Solar energy in Bratsk, Russia
Average irradiation 2.98 kWh/m²/day · ~870 kWh per kWp per year
Monthly solar irradiation & temperature in Bratsk (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 0.74 | -22.2 | 18 |
| Feb | 1.65 | -18.8 | 40 |
| Mar | 2.97 | -9.5 | 72 |
| Apr | 4.41 | 0.1 | 107 |
| May | 5.15 | 8.2 | 125 |
| Jun | 5.80 | 17.1 | 141 |
| Jul | 5.27 | 19.4 | 128 |
| Aug | 4.35 | 16.4 | 106 |
| Sep | 2.78 | 8.4 | 68 |
| Oct | 1.46 | -0.8 | 35 |
| Nov | 0.74 | -11.8 | 18 |
| Dec | 0.47 | -21.3 | 11 |
Solar potential of Bratsk explained
Bratsk receives an average of 2.98 kilowatt-hours of solar energy per square metre per day, measured over four decades of satellite observation. In practical terms, every kilowatt-peak of installed PV capacity yields about 870 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. While winters are dark, modern panel prices mean solar can still be economical — self-consumption value matters more than raw sunshine here.
Frequently asked questions
Is solar worth it in Bratsk?
With 2.98 kWh/m²/day of average irradiation, a 1 kWp system in Bratsk produces roughly 870 kWh per year. That is a moderate solar resource; economics depend more on local electricity prices and incentives, which our AI planner can research for you.
How much electricity would a 5 kW system produce in Bratsk?
Approximately 4,000 kWh per year — enough to cover a large share of a typical household's consumption.
What data is this based on?
Long-term satellite observations from NASA POWER (1981–present) and the PVGIS SARAH3 database, assuming a performance ratio of 80%.
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