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Solar and backup power in Dehradun
Dehradun, Uttarakhand, gets 5 peak sun hours a day on average. The dullest month is January at 3.41 hours, 51% less than May, the sunniest at 6.93. That makes it sunnier than 40% of the 63 cities we cover in India.
Sunshine in Dehradun is clearly below its yearly average for 4 months, from November to February. That stretch decides how many panels you need if solar has to keep up all year. Across the year, Dehradun gets about the same sunshine as the average of the cities we cover in India.
What a home in Dehradun needs
Three example homes, each covering a 12-hour daily outage with a lithium battery and solar panels to recharge it. Panels are 450 W. The month-with-least-sun figure is what keeps you covered all year.
| Home | Inverter | Battery | Panels, January | Panels, yearly average |
|---|---|---|---|---|
| Essentials 6 lights, 2 fans, a fridge, TV, Wi-Fi and phone charging | 1 kW | 2.6 kWh | 2 | 2 |
| Family home Essentials plus a freezer, more lights, a laptop, a desktop and a water pump | 3 kW | 7.4 kWh | 6 | 4 |
| With air conditioning The family home plus two small air conditioners for 6 hours a day | 5 kW | 14.9 kWh | 11 | 8 |
Your own appliances will differ. Put them into the calculator below, which already has Dehradun's sunshine.
Size your own system in Dehradun
Planning tips for Dehradun
- Size panels for January, not for the yearly average. A system sized on the average falls short in the dullest weeks, which is when you most need it.
- Dust, heat and shade cut output. Keep panels clean, leave air space under them, and avoid anything that shades them between mid-morning and mid-afternoon.
- Ask installers for the inverter's continuous and surge ratings, the battery's usable capacity and chemistry, and the panels' total watts. Compare those numbers with your plan rather than the package name.
Guides for planning in Dehradun
- Peak sun hours and your dullest month
- How many solar panels you need
- Lithium vs lead-acid batteries
- Questions to ask an installer
Nearby cities
- Shimla 120 km · 4.7 h
- Chandigarh 128 km · 5.22 h
- Meerut 153 km · 4.89 h
- Delhi 202 km · 4.89 h
- New Delhi 205 km · 4.89 h
- Ludhiana 219 km · 5.03 h
Sunshine: NASA POWER climatology, ALLSKY_SFC_SW_DWN, monthly averages for 25-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2025), at 30.3244, 78.0339; retrieved 2026-11-09. Peak sun hours equal kWh of sunlight per square metre per day on flat ground; tilted panels usually collect a little more.