Solar energy in Ludhiāna, India
Average irradiation 5.03 kWh/m²/day · ~1469 kWh per kWp per year
Monthly solar irradiation & temperature in Ludhiāna (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.08 | 12.4 | 75 |
| Feb | 4.21 | 16.1 | 102 |
| Mar | 5.49 | 22.2 | 134 |
| Apr | 6.44 | 28.9 | 157 |
| May | 6.96 | 34.5 | 169 |
| Jun | 6.41 | 36.0 | 156 |
| Jul | 5.54 | 33.6 | 135 |
| Aug | 5.47 | 31.5 | 133 |
| Sep | 5.31 | 29.2 | 129 |
| Oct | 4.72 | 25.4 | 115 |
| Nov | 3.67 | 19.5 | 89 |
| Dec | 3.04 | 14.4 | 74 |
Solar potential of Ludhiāna explained
Ludhiāna receives an average of 5.03 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 1469 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Ludhiāna among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Ludhiāna?
With 5.03 kWh/m²/day of average irradiation, a 1 kWp system in Ludhiāna produces roughly 1469 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 Ludhiāna?
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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