Solar energy in Cox’s Bāzār, Bangladesh
Average irradiation 4.82 kWh/m²/day · ~1407 kWh per kWp per year
Monthly solar irradiation & temperature in Cox’s Bāzār (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 4.67 | 20.8 | 114 |
| Feb | 5.43 | 22.8 | 132 |
| Mar | 5.93 | 25.9 | 144 |
| Apr | 6.07 | 27.9 | 148 |
| May | 5.40 | 28.7 | 131 |
| Jun | 4.23 | 28.6 | 103 |
| Jul | 3.92 | 28.0 | 95 |
| Aug | 4.20 | 27.9 | 102 |
| Sep | 4.47 | 28.1 | 109 |
| Oct | 4.59 | 27.8 | 112 |
| Nov | 4.63 | 25.4 | 112 |
| Dec | 4.31 | 22.3 | 105 |
Solar potential of Cox’s Bāzār explained
Cox’s Bāzār receives an average of 4.82 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 1407 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Cox’s Bāzār among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Cox’s Bāzār?
With 4.82 kWh/m²/day of average irradiation, a 1 kWp system in Cox’s Bāzār produces roughly 1407 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 Cox’s Bāzār?
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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