Solar energy in Dehra Dūn, India
Average irradiation 5 kWh/m²/day · ~1460 kWh per kWp per year
Monthly solar irradiation & temperature in Dehra Dūn (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.41 | 8.6 | 83 |
| Feb | 4.17 | 11.0 | 101 |
| Mar | 5.45 | 15.6 | 132 |
| Apr | 6.34 | 21.0 | 154 |
| May | 6.93 | 25.0 | 168 |
| Jun | 6.29 | 26.1 | 153 |
| Jul | 4.84 | 23.7 | 118 |
| Aug | 4.59 | 22.4 | 112 |
| Sep | 5.06 | 20.9 | 123 |
| Oct | 5.19 | 17.3 | 126 |
| Nov | 4.23 | 13.6 | 103 |
| Dec | 3.55 | 10.4 | 86 |
Solar potential of Dehra Dūn explained
Dehra Dūn receives an average of 5 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 1460 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Dehra Dūn among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Dehra Dūn?
With 5 kWh/m²/day of average irradiation, a 1 kWp system in Dehra Dūn produces roughly 1460 kWh per year. That is an excellent solar resource — payback periods are typically among the shortest worldwide.
How much electricity would a 5 kW system produce in Dehra Dūn?
Approximately 7,000 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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