3 places · sun position · panel angle
Solar data for the Solomon Islands
Across the 3 places in the Solomon Islands the best fixed tilt for solar panels is 8°, and flat ground gets 5.0 to 5.0 peak sun hours a day. Every number is computed for each place.
Solar power in the Solomon Islands at a glance
Averages over 3 places with climate data, for a fixed array facing north.
- 5.02 peak sun hours a day
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest places in the Solomon Islands, with 5.02 peak sun hours a day on flat ground, are Tandai and one other place; the least sunny is Malango with 5.00. A 1 kWp array at its best angle makes from 1,452 kWh a year in Malango to 1,457 kWh in Tandai — 1,455 kWh on average.
The best year-round tilt is 8° everywhere. Off-grid systems are sized for the darkest month and do better steeper, at 23° on average: at 70° that month brings 1.21 kWh per kWp a day in Malango and 1.22 kWh in Tandai.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Largest places in the Solomon Islands at a glance
Daylight and clock time in the Solomon Islands
In Malango (9.4° S), the northernmost place, the longest day of the year lasts 12 h 41 min and the shortest 11 h 34 min; in Tandai (9.4° S), the southernmost, 12 h 41 min and 11 h 34 min. The Solomon Islands does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Pacific/Guadalcanal | 3 | UTC+11 | no daylight saving time |