294 places · sun position · panel angle
Solar data for Algeria
Across the 294 places in Algeria the best fixed tilt for solar panels runs from 23° in Tamanghasset to 32° in Ouled Djellal, and flat ground gets 4.7 to 6.4 peak sun hours a day. Every number is computed for each place.
Solar power in Algeria at a glance
Averages over 294 places with climate data, for a fixed array facing south.
- 4.73–5.07
- 5.07–5.40
- 5.40–5.73
- 5.73–6.06
- 6.06–6.40
Peak sun hours a day on flat ground. Each dot is one place. 2 far-off places lie outside the frame.
The sunniest place in Algeria is Tamanghasset (Tamanrasset) with 6.40 peak sun hours a day on flat ground; the least sunny is Berrahal with 4.73. A 1 kWp array at its best angle makes from 1,573 kWh a year in Berrahal to 2,007 kWh in Tamanghasset — 1,694 kWh on average.
The best year-round tilt runs from 23° in Tamanghasset to 32° in Ouled Djellal. Off-grid systems are sized for the darkest month and do better steeper, at 57° on average: at 70° that month brings 2.19 kWh per kWp a day in Tamanghasset and 3.13 kWh in N’Gaous.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Algeria
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 | Tamanghasset | Tamanrasset | 6.40 | 2,007 | 23° |
| 2 | Tindouf | Tindouf | 6.12 | 1,960 | 27° |
| 3 | In Salah | In Salah | 6.09 | 1,922 | 26° |
| 4 | Timimoun | Timimoun | 6.07 | 1,956 | 28° |
| 4 | Adrar | Adrar | 6.07 | 1,920 | 27° |
| 4 | Aoulef | Adrar | 6.07 | 1,907 | 26° |
| 4 | Reggane | Adrar | 6.07 | 1,897 | 26° |
| 8 | El Menia | El Menia | 6.06 | 1,990 | 30° |
| 9 | Béchar | Béchar | 5.89 | 1,958 | 31° |
| 10 | Hassi Messaoud | Ouargla | 5.87 | 1,925 | 30° |
Least sunny places in Algeria
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 286 | El Hadjar | Annaba | 4.74 | 1,575 | 30° |
| 286 | Sidi Amar | Annaba | 4.74 | 1,574 | 30° |
| 286 | Ahmed Bel Hadj | Annaba | 4.74 | 1,574 | 30° |
| 286 | Annaba | Annaba | 4.74 | 1,573 | 30° |
| 294 | Berrahal | Annaba | 4.73 | 1,573 | 30° |
Solar by region in Algeria
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 |
|---|---|---|---|---|---|---|
| Tamanrasset | 1 | 6.40 | 2,007 | 23° | 2.19 kWh | Tamanghasset |
| Tindouf | 1 | 6.12 | 1,960 | 27° | 2.55 kWh | Tindouf |
| In Salah | 1 | 6.09 | 1,922 | 26° | 2.51 kWh | In Salah |
| Timimoun | 1 | 6.07 | 1,956 | 28° | 2.70 kWh | Timimoun |
| Adrar | 3 | 6.07 | 1,908 | 26° | 2.53 kWh | Adrar |
| El Menia | 1 | 6.06 | 1,990 | 30° | 2.80 kWh | El Menia |
| Béchar | 1 | 5.89 | 1,958 | 31° | 2.83 kWh | Béchar |
| Ouargla | 4 | 5.82 | 1,916 | 30° | 2.91 kWh | Hassi Messaoud |
| Ghardaia | 4 | 5.80 | 1,938 | 31° | 2.92 kWh | Metlili Chaamba |
| Touggourt | 4 | 5.68 | 1,884 | 31° | 3.01 kWh | Taïbet |
| El Bayadh | 3 | 5.67 | 1,920 | 31° | 2.98 kWh | El Abiodh Sidi Cheikh |
| Naama | 2 | 5.65 | 1,915 | 31° | 2.97 kWh | Aïn Sefra |
| El Oued | 5 | 5.63 | 1,871 | 31° | 3.03 kWh | Robbah |
| El Mghair | 3 | 5.59 | 1,860 | 31° | 3.03 kWh | Sidi Amrane |
| Ouled Djellal | 2 | 5.53 | 1,856 | 32° | 3.02 kWh | Sidi Khaled |
| Laghouat | 2 | 5.53 | 1,872 | 31° | 3.01 kWh | Laghouat |
| Biskra | 4 | 5.41 | 1,819 | 32° | 3.04 kWh | Tolga |
| Djelfa | 10 | 5.36 | 1,817 | 31° | 3.05 kWh | Messaad |
| Saida | 1 | 5.26 | 1,775 | 31° | 3.02 kWh | Saïda |
| M'Sila | 6 | 5.20 | 1,752 | 31° | 3.08 kWh | ’Aïn el Melh |
| Tlemcen | 13 | 5.19 | 1,747 | 31° | 3.03 kWh | Sebdou |
| Tiaret | 6 | 5.16 | 1,740 | 31° | 3.05 kWh | ’Aïn Deheb |
| Batna | 8 | 5.14 | 1,739 | 31° | 3.10 kWh | Barika |
| Sidi Bel Abbès | 3 | 5.12 | 1,725 | 31° | 3.00 kWh | Sidi Bel Abbes |
| Tébessa | 6 | 5.08 | 1,709 | 31° | 3.07 kWh | Bir el Ater |
| Mascara | 6 | 5.07 | 1,704 | 31° | 3.02 kWh | Bou Hanifia el Hamamat |
| Aïn Témouchent | 5 | 5.04 | 1,696 | 31° | 3.02 kWh | Aïn Temouchent |
| Khenchela | 2 | 5.04 | 1,706 | 31° | 3.08 kWh | Khenchela |
| Oran | 12 | 5.02 | 1,692 | 31° | 3.01 kWh | Assi Bou Nif |
| Tissemsilt | 3 | 5.02 | 1,688 | 31° | 3.07 kWh | Tissemsilt |
| Medea | 4 | 5.01 | 1,686 | 31° | 3.08 kWh | Ksar el Boukhari |
| Bordj Bou Arréridj | 6 | 5.00 | 1,680 | 31° | 3.08 kWh | Bordj Ghdir |
| Mostaganem | 1 | 4.99 | 1,679 | 31° | 3.04 kWh | Mostaganem |
| Relizane | 6 | 4.97 | 1,668 | 31° | 3.06 kWh | Relizane |
| Sétif | 8 | 4.93 | 1,657 | 30° | 3.09 kWh | ’Aïn Azel |
| Oum el Bouaghi | 6 | 4.93 | 1,658 | 30° | 3.08 kWh | Meskiana |
| Bouira | 5 | 4.90 | 1,645 | 31° | 3.08 kWh | Sour el Ghozlane |
| Aïn Defla | 5 | 4.90 | 1,644 | 31° | 3.09 kWh | Khemis Miliana |
| Chlef | 9 | 4.89 | 1,637 | 31° | 3.09 kWh | Boukadir |
| Souk Ahras | 3 | 4.85 | 1,619 | 30° | 3.08 kWh | M’Daourouch |
| Blida | 16 | 4.84 | 1,626 | 31° | 3.08 kWh | Chiffa |
| Tipaza | 5 | 4.84 | 1,626 | 31° | 3.09 kWh | Tipasa |
| Algiers | 17 | 4.84 | 1,623 | 31° | 3.10 kWh | Zeralda |
| Boumerdes | 12 | 4.83 | 1,620 | 31° | 3.10 kWh | Khemis el Khechna |
| Tizi Ouzou | 20 | 4.83 | 1,618 | 30° | 3.09 kWh | Boghni |
| Mila | 8 | 4.82 | 1,614 | 30° | 3.08 kWh | Tadjenanet |
| Constantine | 8 | 4.81 | 1,610 | 30° | 3.07 kWh | Ali Mendjeli |
| Béjaïa | 10 | 4.81 | 1,611 | 30° | 3.09 kWh | Akbou |
| Guelma | 4 | 4.77 | 1,587 | 30° | 3.08 kWh | Oued Zenati |
| Jijel | 3 | 4.76 | 1,588 | 30° | 3.10 kWh | Jijel |
| Skikda | 6 | 4.75 | 1,582 | 30° | 3.10 kWh | El Arrouch |
| El Tarf | 4 | 4.75 | 1,578 | 30° | 3.09 kWh | El Kala |
| Annaba | 5 | 4.74 | 1,574 | 30° | 3.07 kWh | El Hadjar |
Largest places in Algeria at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Algiers | 36.7° N | 31° | 62° | 4.84 |
| Oran | 35.7° N | 31° | 58° | 5.02 |
| Constantine | 36.4° N | 30° | 61° | 4.81 |
| Annaba | 36.9° N | 30° | 61° | 4.74 |
| Blida | 36.5° N | 31° | 61° | 4.85 |
| Batna | 35.6° N | 31° | 58° | 5.07 |
| Bab Ezzouar | 36.7° N | 31° | 62° | 4.84 |
| Djelfa | 34.7° N | 31° | 51° | 5.39 |
| Sétif | 36.2° N | 30° | 61° | 4.90 |
| Sidi Bel Abbes | 35.2° N | 31° | 55° | 5.14 |
| Biskra | 34.9° N | 31° | 52° | 5.39 |
| Tébessa | 35.4° N | 31° | 58° | 5.07 |
| El Oued | 33.4° N | 31° | 45° | 5.64 |
| Skikda | 36.9° N | 30° | 61° | 4.74 |
| Tiaret | 35.4° N | 31° | 59° | 5.07 |
| Chlef | 36.2° N | 31° | 61° | 4.90 |
| Béjaïa | 36.8° N | 30° | 61° | 4.78 |
| Tlemcen | 34.9° N | 31° | 55° | 5.22 |
| Ouargla | 31.9° N | 30° | 41° | 5.83 |
| Béchar | 31.6° N | 31° | 36° | 5.89 |
Daylight and clock time in Algeria
In Collo (37.0° N), the northernmost place, the longest day of the year lasts 14 h 42 min and the shortest 9 h 37 min; in Tamanghasset (22.8° N), the southernmost, 13 h 32 min and 10 h 44 min. Algeria does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Algiers | 294 | UTC+1 | no daylight saving time |