32 places · sun position · panel angle
Solar data for Haiti
Across the 32 places in Haiti the best fixed tilt for solar panels runs from 18° in Port-au-Prince to 19° in Port-de-Paix, and flat ground gets 5.5 to 5.8 peak sun hours a day. Every number is computed for each place.
Solar power in Haiti at a glance
Averages over 32 places with climate data, for a fixed array facing south.
- 5.52–5.57
- 5.57–5.63
- 5.63–5.68
- 5.68–5.74
- 5.74–5.80
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Haiti is Jacmel (Sud-Est) with 5.80 peak sun hours a day on flat ground; the least sunny are Terrier Rouge and one other place with 5.52. A 1 kWp array at its best angle makes from 1,674 kWh a year in Jérémie to 1,743 kWh in Jacmel — 1,712 kWh on average.
The best year-round tilt runs from 18° in Port-au-Prince to 19° in Port-de-Paix. Off-grid systems are sized for the darkest month and do better steeper, at 21° on average: at 70° that month brings 1.70 kWh per kWp a day in Grand Gosier and 1.80 kWh in Port-de-Paix.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Haiti
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 | Jacmel | Sud-Est | 5.80 | 1,743 | 18° |
| 2 | Gressier | Ouest | 5.76 | 1,736 | 18° |
| 3 | Carrefour | Ouest | 5.75 | 1,733 | 18° |
| 4 | Léogâne | Ouest | 5.74 | 1,729 | 18° |
| 4 | Kenscoff | Ouest | 5.74 | 1,729 | 18° |
| 6 | Port-au-Prince | Ouest | 5.73 | 1,730 | 18° |
| 6 | Pétionville | Ouest | 5.73 | 1,729 | 18° |
| 8 | Delmas | Ouest | 5.72 | 1,728 | 18° |
| 8 | Cité Soleil | Ouest | 5.72 | 1,728 | 18° |
| 8 | Grangwav | Ouest | 5.72 | 1,722 | 18° |
Least sunny places in Haiti
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 28 | Jérémie | Grand'Anse | 5.56 | 1,674 | 18° |
| 29 | Saint-Michel de l'Atalaye | Artibonite | 5.55 | 1,687 | 19° |
| 29 | Hinche | Centre | 5.55 | 1,686 | 19° |
| 31 | Saint-Raphaël | Nord | 5.52 | 1,678 | 19° |
| 31 | Terrier Rouge | Nord-Est | 5.52 | 1,678 | 19° |
Solar by region in Haiti
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 |
|---|---|---|---|---|---|---|
| Sud-Est | 2 | 5.75 | 1,732 | 18° | 1.71 kWh | Jacmel |
| Ouest | 14 | 5.72 | 1,725 | 18° | 1.72 kWh | Gressier |
| Nord-Ouest | 2 | 5.70 | 1,731 | 19° | 1.80 kWh | Port-de-Paix |
| Nippes | 1 | 5.64 | 1,698 | 18° | 1.72 kWh | Miragoâne |
| Artibonite | 6 | 5.61 | 1,704 | 19° | 1.73 kWh | Saint-Marc |
| Sud | 1 | 5.60 | 1,682 | 18° | 1.71 kWh | Les Cayes |
| Grand'Anse | 1 | 5.56 | 1,674 | 18° | 1.72 kWh | Jérémie |
| Nord | 3 | 5.55 | 1,689 | 19° | 1.75 kWh | Lenbe |
| Centre | 1 | 5.55 | 1,686 | 19° | 1.72 kWh | Hinche |
| Nord-Est | 1 | 5.52 | 1,678 | 19° | 1.75 kWh | Terrier Rouge |
Largest places in Haiti at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Port-au-Prince | 18.5° N | 18° | 20° | 5.73 |
| Carrefour | 18.5° N | 18° | 20° | 5.75 |
| Delmas | 18.5° N | 18° | 20° | 5.72 |
| Pétionville | 18.5° N | 18° | 19° | 5.73 |
| Port-de-Paix | 19.9° N | 19° | 26° | 5.70 |
| Saint-Marc | 19.1° N | 19° | 21° | 5.65 |
| Cité Soleil | 18.6° N | 18° | 20° | 5.72 |
| Croix-des-Bouquets | 18.6° N | 18° | 20° | 5.70 |
| Dessalines | 19.3° N | 19° | 22° | 5.60 |
| Jacmel | 18.2° N | 18° | 21° | 5.80 |
| Cap-Haïtien | 19.8° N | 19° | 25° | 5.57 |
| Léogâne | 18.5° N | 18° | 20° | 5.74 |
| Arcahaie | 18.8° N | 19° | 20° | 5.71 |
| Les Cayes | 18.2° N | 18° | 22° | 5.60 |
| Tigwav | 18.4° N | 18° | 21° | 5.70 |
| Jérémie | 18.7° N | 18° | 21° | 5.56 |
| Saint-Michel de l'Atalaye | 19.4° N | 19° | 22° | 5.55 |
| Miragoâne | 18.4° N | 18° | 21° | 5.64 |
| Gonaïves | 19.4° N | 19° | 22° | 5.61 |
| Thomazeau | 18.7° N | 19° | 20° | 5.66 |
Daylight and clock time in Haiti
In Port-de-Paix (19.9° N), the northernmost place, the longest day of the year lasts 13 h 20 min and the shortest 10 h 56 min; in Grand Gosier (18.2° N), the southernmost, 13 h 13 min and 11 h 02 min. The clocks change twice a year: forward on Sun 8 Mar, back on Sun 1 Nov (America/Port-au-Prince).
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| America/Port-au-Prince | 32 | UTC−5, in summer UTC−4 | Forward on Sun 8 Mar, back on Sun 1 Nov |