46 places · sun position · panel angle
Solar data for Chad
Across the 46 places in Chad the best fixed tilt for solar panels runs from 12° in Moundou to 17° in Iriba, and flat ground gets 5.7 to 6.9 peak sun hours a day. Every number is computed for each place.
Solar power in Chad at a glance
Averages over 46 places with climate data, for a fixed array facing south.
- 5.69–5.92
- 5.92–6.16
- 6.16–6.39
- 6.39–6.62
- 6.62–6.85
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Chad is Amdjarass (Ennedi-Est) with 6.85 peak sun hours a day on flat ground; the least sunny is Moïssala with 5.69. A 1 kWp array at its best angle makes from 1,663 kWh a year in Moïssala to 2,069 kWh in Amdjarass — 1,783 kWh on average.
The best year-round tilt runs from 12° in Moundou to 17° in Iriba. Off-grid systems are sized for the darkest month and do better steeper, at 1° on average: at 70° that month brings 1.21 kWh per kWp a day in Moundou and 1.97 kWh in Faya-Largeau.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Chad
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 | Amdjarass | Ennedi-Est | 6.85 | 2,069 | 17° |
| 2 | Fada | Ennedi-Ouest | 6.77 | 2,025 | 17° |
| 3 | Iriba | Wadi Fira | 6.73 | 2,023 | 17° |
| 4 | Faya-Largeau | Borkou | 6.67 | 1,984 | 17° |
| 5 | Biltine | Wadi Fira | 6.57 | 1,954 | 16° |
| 6 | Adré | Ouadaï | 6.52 | 1,946 | 16° |
| 7 | Abéché | Ouadaï | 6.50 | 1,926 | 16° |
| 8 | Goz Beida | Sila | 6.31 | 1,865 | 15° |
| 8 | Mao | Kanem | 6.31 | 1,859 | 15° |
| 10 | Umm Hājar | Batha | 6.29 | 1,858 | 16° |
Least sunny places in Chad
Solar by region in Chad
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 |
|---|---|---|---|---|---|---|
| Ennedi-Est | 1 | 6.85 | 2,069 | 17° | 1.70 kWh | Amdjarass |
| Ennedi-Ouest | 1 | 6.77 | 2,025 | 17° | 1.81 kWh | Fada |
| Borkou | 1 | 6.67 | 1,984 | 17° | 1.97 kWh | Faya-Largeau |
| Wadi Fira | 2 | 6.65 | 1,989 | 17° | 1.62 kWh | Iriba |
| Ouadaï | 2 | 6.51 | 1,936 | 16° | 1.53 kWh | Adré |
| Kanem | 1 | 6.31 | 1,859 | 15° | 1.72 kWh | Mao |
| Sila | 1 | 6.31 | 1,865 | 15° | 1.40 kWh | Goz Beida |
| Barh el Gazel | 1 | 6.28 | 1,848 | 15° | 1.65 kWh | Moussoro |
| Batha | 2 | 6.27 | 1,849 | 16° | 1.57 kWh | Umm Hājar |
| Lac | 1 | 6.19 | 1,816 | 15° | 1.63 kWh | Bol |
| Hadjer-Lamis | 3 | 6.17 | 1,815 | 15° | 1.49 kWh | Bokoro |
| Guéra | 3 | 6.16 | 1,816 | 15° | 1.42 kWh | Mangalmé |
| N’Djaména | 1 | 6.07 | 1,783 | 15° | 1.45 kWh | N'Djamena |
| Salamat | 1 | 6.05 | 1,781 | 14° | 1.34 kWh | Am Timan |
| Chari-Baguirmi | 3 | 6.02 | 1,765 | 14° | 1.36 kWh | Dourbali |
| Mayo-Kebbi Est | 4 | 5.88 | 1,721 | 13° | 1.27 kWh | Guelendeng |
| Mayo-Kebbi Ouest | 3 | 5.83 | 1,706 | 12° | 1.25 kWh | Mboursou Léré |
| Tandjilé | 4 | 5.79 | 1,693 | 12° | 1.23 kWh | Déressia |
| Moyen-Chari | 2 | 5.76 | 1,686 | 13° | 1.26 kWh | Kyabé |
| Logone Occidental | 2 | 5.75 | 1,682 | 12° | 1.21 kWh | Benoy |
| Logone Oriental | 3 | 5.74 | 1,681 | 12° | 1.21 kWh | Goré |
| Mandoul | 4 | 5.73 | 1,675 | 12° | 1.22 kWh | Maro |
Largest places in Chad at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| N'Djamena | 12.1° N | 15° | 0° | 6.07 |
| Moundou | 8.6° N | 12° | 0° | 5.74 |
| Abéché | 13.8° N | 16° | 1° | 6.50 |
| Sarh | 9.1° N | 13° | 0° | 5.75 |
| Kelo | 9.3° N | 12° | 0° | 5.78 |
| Am Timan | 11.0° N | 14° | 0° | 6.05 |
| Doba | 8.7° N | 12° | 0° | 5.74 |
| Pala | 9.4° N | 12° | 0° | 5.81 |
| Bongor | 10.3° N | 13° | 0° | 5.89 |
| Goz Beida | 12.2° N | 15° | 0° | 6.31 |
| Koumra | 8.9° N | 12° | 0° | 5.74 |
| Mongo | 12.2° N | 15° | 0° | 6.15 |
| Bol | 13.5° N | 15° | 0° | 6.19 |
| Mao | 14.1° N | 15° | 2° | 6.31 |
| Déressia | 9.8° N | 13° | 0° | 5.82 |
| Iriba | 15.1° N | 17° | 5° | 6.73 |
| Faya-Largeau | 17.9° N | 17° | 19° | 6.67 |
| Bitkine | 12.0° N | 15° | 0° | 6.13 |
| Bébédja | 8.7° N | 12° | 0° | 5.75 |
| Massakory | 13.0° N | 15° | 0° | 6.19 |
Daylight and clock time in Chad
In Faya-Largeau (17.9° N), the northernmost place, the longest day of the year lasts 13 h 12 min and the shortest 11 h 03 min; in Moïssala (8.3° N), the southernmost, 12 h 37 min and 11 h 38 min. Chad does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Ndjamena | 46 | UTC+1 | no daylight saving time |