Off-grid solar sizing in Sri Lanka
What a year-round off-grid system costs you in 3 cities, sized against the worst month rather than the annual average.
| City | Annual per kW | Worst month | Array for 3 kWh/day | Seasonal swing |
|---|---|---|---|---|
| Colombo | 1,370 kWh | June | 1.25 kW | 1.4× |
| Maharagama | 1,366 kWh | June | 1.25 kW | 1.4× |
| Jaffna | 1,506 kWh | November | 1.27 kW | 1.5× |
Panel angles matter as much as panel count. Solar panel angles in Sri Lanka →