Solar energy in Madurai, India
Average irradiation 5.57 kWh/m²/day · ~1626 kWh per kWp per year
Monthly solar irradiation & temperature in Madurai (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.24 | 24.0 | 127 |
| Feb | 5.95 | 26.1 | 145 |
| Mar | 6.33 | 29.1 | 154 |
| Apr | 6.25 | 30.5 | 152 |
| May | 5.99 | 30.1 | 146 |
| Jun | 5.84 | 28.7 | 142 |
| Jul | 5.62 | 28.4 | 137 |
| Aug | 5.78 | 28.1 | 141 |
| Sep | 5.78 | 27.9 | 141 |
| Oct | 5.14 | 26.6 | 125 |
| Nov | 4.46 | 24.7 | 109 |
| Dec | 4.41 | 23.5 | 107 |
Solar potential of Madurai explained
Madurai receives an average of 5.57 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 1626 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Madurai among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Madurai?
With 5.57 kWh/m²/day of average irradiation, a 1 kWp system in Madurai produces roughly 1626 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 Madurai?
Approximately 8,000 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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