Units a day in your city (3kW)
| City | Units a day | Units a month |
|---|---|---|
| Jodhpur | 13.6 | 413 |
| Jaipur | 13.2 | 400 |
| Rajkot | 12.5 | 380 |
| Indore | 12.5 | 380 |
| Ahmedabad | 12.3 | 375 |
| Hyderabad | 12.3 | 375 |
| Bhopal | 12.3 | 375 |
| Nagpur | 12.2 | 370 |
| Delhi | 11.9 | 363 |
| Pune | 11.9 | 363 |
| Bengaluru | 11.9 | 363 |
| Chennai | 11.9 | 363 |
| Surat | 11.8 | 360 |
| Chandigarh | 11.7 | 355 |
| Lucknow | 11.5 | 350 |
| Kanpur | 11.5 | 350 |
| Bhubaneswar | 11.3 | 345 |
| Mumbai | 11.1 | 338 |
| Patna | 11.1 | 338 |
| Kochi | 11.1 | 338 |
| Kolkata | 10.7 | 325 |
| Guwahati | 9.9 | 300 |
Average over the year, for panels facing south with no shade. Your real figure can be about 10% higher or lower.
Month by month
| Month | Units a day | Units in month |
|---|---|---|
| January | 11.9 | 370 |
| February | 13.7 | 383 |
| March | 13.8 | 426 |
| April | 14.4 | 431 |
| May | 14.0 | 435 |
| June | 11.6 | 348 |
| July | 8.8 | 274 |
| August | 8.7 | 270 |
| September | 10.7 | 322 |
| October | 12.1 | 374 |
| November | 11.9 | 357 |
| December | 11.6 | 361 |
For a typical city. In Tamil Nadu, the rainy dip comes in October to December instead.
Is your system working properly? Check in 3 steps
- Open your inverter app (or the screen on the inverter) and find today's units.
- On a sunny day, compare it with your city in the table above.
- Much lower for weeks? Clean the panels, check for new shade, and call your installer.
Common questions
How many units does a 3kW solar panel make per day?
About 12 units a day on average. Sunny places like Rajasthan and Gujarat get up to 13.6; cloudier places like Kolkata and Guwahati get about 9.9.
How many units does a 3kW solar system make per month?
About 300 to 413 units a month. Most in March to May, least in the rainy months.
How many units does 3kW solar make in a year?
About 3,600 to 4,950 units a year.
Why is my 3kW system making less than this?
The usual reasons: shade from a water tank, wall or tree; dusty panels (clean them every 2–3 weeks when it is dry); cloudy or rainy weather; or the inverter switching off. If you get less than 80% of these figures for a whole month, call your installer.
How much money does 3kW solar save?
About ₹2,538 a month at ₹7 per unit, if your home uses the units it makes. See 3kW price and savings.