16 places · sun position · panel angle
Solar data for Liberia
Across the 16 places in Liberia the best fixed tilt for solar panels runs from 5° in Harper to 11° in Foya Kamara, and flat ground gets 4.5 to 5.0 peak sun hours a day. Every number is computed for each place.
Solar power in Liberia at a glance
Averages over 16 places with climate data, for a fixed array facing south.
- 4.54–4.63
- 4.63–4.72
- 4.72–4.81
- 4.81–4.90
- 4.90–4.99
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Liberia is Voinjama (Lofa County) with 4.99 peak sun hours a day on flat ground; the least sunny are Buchanan and 2 other places with 4.54. A 1 kWp array at its best angle makes from 1,318 kWh a year in Buchanan to 1,475 kWh in Voinjama — 1,364 kWh on average.
The best year-round tilt runs from 5° in Harper to 11° in Foya Kamara. Off-grid systems are sized for the darkest month and do better steeper, at 0° on average: at 70° that month brings 1.06 kWh per kWp a day in Harper and 1.28 kWh in Foya Kamara.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Liberia
Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 1 | Voinjama | Lofa County | 4.99 | 1,475 | 11° |
| 2 | Foya Kamara | Lofa County | 4.98 | 1,467 | 11° |
| 3 | New Yekepa | Nimba | 4.79 | 1,410 | 9° |
| 4 | Sanniquellie | Nimba | 4.74 | 1,392 | 9° |
| 5 | Ganta | Nimba | 4.71 | 1,383 | 9° |
| 6 | Saclepea | Nimba | 4.68 | 1,372 | 8° |
| 7 | Gbarnga | Bong County | 4.66 | 1,364 | 8° |
| 8 | Harper | Maryland County | 4.64 | 1,347 | 5° |
| 9 | Zwedru | Grand Gedeh County | 4.61 | 1,345 | 7° |
| 10 | Tubmanburg | Bomi County | 4.60 | 1,342 | 8° |
Solar by region in Liberia
Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.
| Region | Places | Sun hours/day | kWh per kWp a year | Best tilt | Darkest month at 70° | Sunniest place |
|---|---|---|---|---|---|---|
| Lofa County | 2 | 4.98 | 1,471 | 11° | 1.28 kWh | Voinjama |
| Nimba | 4 | 4.73 | 1,389 | 9° | 1.19 kWh | New Yekepa |
| Bong County | 1 | 4.66 | 1,364 | 8° | 1.18 kWh | Gbarnga |
| Maryland County | 2 | 4.61 | 1,340 | 6° | 1.06 kWh | Harper |
| Grand Gedeh County | 1 | 4.61 | 1,345 | 7° | 1.15 kWh | Zwedru |
| Bomi County | 1 | 4.60 | 1,342 | 8° | 1.14 kWh | Tubmanburg |
| Margibi County | 2 | 4.55 | 1,323 | 8° | 1.11 kWh | Kakata |
| Sinoe County | 1 | 4.55 | 1,320 | 6° | 1.06 kWh | Greenville |
| Montserrado County | 1 | 4.54 | 1,320 | 8° | 1.09 kWh | Monrovia |
| Grand Bassa County | 1 | 4.54 | 1,318 | 7° | 1.08 kWh | Buchanan |
Largest places in Liberia at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Monrovia | 6.3° N | 8° | 0° | 4.54 |
| Gbarnga | 7.0° N | 8° | 0° | 4.66 |
| Buchanan | 5.9° N | 7° | 0° | 4.54 |
| Ganta | 7.2° N | 9° | 0° | 4.71 |
| Kakata | 6.5° N | 8° | 0° | 4.55 |
| Zwedru | 6.1° N | 7° | 0° | 4.61 |
| Harbel | 6.2° N | 8° | 0° | 4.54 |
| Harper | 4.4° N | 5° | 0° | 4.64 |
| Pleebo City | 4.6° N | 6° | 0° | 4.59 |
| Foya Kamara | 8.4° N | 11° | 0° | 4.98 |
| New Yekepa | 7.6° N | 9° | 0° | 4.79 |
| Voinjama | 8.4° N | 11° | 0° | 4.99 |
| Tubmanburg | 6.9° N | 8° | 0° | 4.60 |
| Saclepea | 7.0° N | 8° | 0° | 4.68 |
| Greenville | 5.0° N | 6° | 0° | 4.55 |
| Sanniquellie | 7.4° N | 9° | 0° | 4.74 |
Daylight and clock time in Liberia
In Voinjama (8.4° N), the northernmost place, the longest day of the year lasts 12 h 37 min and the shortest 11 h 38 min; in Harper (4.4° N), the southernmost, 12 h 23 min and 11 h 52 min. Liberia does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Monrovia | 16 | UTC | no daylight saving time |