101 places · sun position · panel angle
Solar data for Iraq
Across the 101 places in Iraq the best fixed tilt for solar panels runs from 26° in Al Fāw to 31° in Mosul, and flat ground gets 5.0 to 5.6 peak sun hours a day. Every number is computed for each place.
Solar power in Iraq at a glance
Averages over 101 places with climate data, for a fixed array facing south.
- 4.99–5.12
- 5.12–5.25
- 5.25–5.38
- 5.38–5.51
- 5.51–5.64
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest places in Iraq, with 5.64 peak sun hours a day on flat ground, are Basrah and 2 other places; the least sunny is Dêrelûk Devera Nihêliya with 4.99. A 1 kWp array at its best angle makes from 1,673 kWh a year in Zaxo to 1,841 kWh in Ar Ruţbah — 1,733 kWh on average.
The best year-round tilt runs from 26° in Al Fāw to 31° in Mosul. Off-grid systems are sized for the darkest month and do better steeper, at 55° on average: at 70° that month brings 2.65 kWh per kWp a day in Al Fāw and 3.29 kWh in Shelādiz.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Iraq
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 | Basrah | Basra | 5.64 | 1,772 | 27° |
| 1 | Az Zubayr | Basra | 5.64 | 1,771 | 27° |
| 1 | Abū al-Kahṣīb | Basra | 5.64 | 1,770 | 27° |
| 4 | Ar Ruţbah | Anbar | 5.63 | 1,841 | 29° |
| 4 | Şafwān | Basra | 5.63 | 1,765 | 27° |
| 6 | Nāḩiyat al Fuhūd | Dhi Qar | 5.60 | 1,766 | 28° |
| 6 | Umm Qaşr | Basra | 5.60 | 1,751 | 27° |
| 8 | Nasiriyah | Dhi Qar | 5.59 | 1,765 | 28° |
| 9 | ‘Alī al Gharbī | Maysan | 5.57 | 1,785 | 29° |
| 9 | Nāḩiyat ash Shināfīyah | Al-Qadisiyah | 5.57 | 1,768 | 28° |
Least sunny places in Iraq
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 94 | Khalīfān | Erbil | 5.03 | 1,683 | 30° |
| 98 | Zaxo | Duhok | 5.01 | 1,673 | 30° |
| 99 | Shelādiz | Duhok | 5.00 | 1,686 | 30° |
| 99 | Batifa | Duhok | 5.00 | 1,677 | 31° |
| 101 | Dêrelûk Devera Nihêliya | Duhok | 4.99 | 1,686 | 31° |
Solar by region in Iraq
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 |
|---|---|---|---|---|---|---|
| Basra | 8 | 5.59 | 1,755 | 27° | 2.70 kWh | Basrah |
| Dhi Qar | 4 | 5.55 | 1,755 | 28° | 2.75 kWh | Nāḩiyat al Fuhūd |
| Najaf | 3 | 5.54 | 1,766 | 28° | 2.82 kWh | Al Mishkhāb |
| Muthanna | 2 | 5.53 | 1,749 | 28° | 2.78 kWh | As Samawah |
| Al-Qadisiyah | 5 | 5.53 | 1,758 | 28° | 2.81 kWh | Nāḩiyat ash Shināfīyah |
| Maysan | 3 | 5.51 | 1,749 | 28° | 2.80 kWh | ‘Alī al Gharbī |
| Karbala | 2 | 5.49 | 1,760 | 29° | 2.86 kWh | Karbala |
| Wasit | 5 | 5.47 | 1,748 | 29° | 2.84 kWh | Al Ḩayy |
| Anbar | 7 | 5.46 | 1,775 | 29° | 2.99 kWh | Ar Ruţbah |
| Babil | 6 | 5.46 | 1,749 | 29° | 2.84 kWh | Al-Qāsim |
| Baghdad | 4 | 5.40 | 1,734 | 29° | 2.89 kWh | Al Maḩmūdīyah |
| Diyala | 7 | 5.39 | 1,745 | 29° | 2.98 kWh | Mandalī |
| Salah ad Din | 8 | 5.35 | 1,742 | 30° | 3.02 kWh | Sāmarrā’ |
| Kirkuk | 2 | 5.25 | 1,727 | 31° | 3.10 kWh | Tāzah Khūrmātū |
| Halabja | 1 | 5.25 | 1,747 | 30° | 3.17 kWh | Halabja |
| Sulaymaniyah | 9 | 5.18 | 1,718 | 30° | 3.16 kWh | Kelar |
| Nineveh | 6 | 5.10 | 1,691 | 31° | 3.18 kWh | Sinjār |
| Erbil | 11 | 5.08 | 1,689 | 30° | 3.21 kWh | Koysinceq |
| Duhok | 8 | 5.03 | 1,682 | 31° | 3.25 kWh | Sīnah |
Largest places in Iraq at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Baghdad | 33.3° N | 29° | 54° | 5.39 |
| Mosul | 36.3° N | 31° | 61° | 5.14 |
| Erbil | 36.2° N | 30° | 61° | 5.12 |
| Basrah | 30.5° N | 27° | 47° | 5.64 |
| Karbala | 32.6° N | 29° | 51° | 5.50 |
| Sadr City | 33.4° N | 29° | 55° | 5.38 |
| Kirkuk | 35.5° N | 31° | 61° | 5.24 |
| Abū Ghurayb | 33.3° N | 29° | 54° | 5.40 |
| Sulaymaniyah | 35.6° N | 30° | 58° | 5.14 |
| Nasiriyah | 31.1° N | 28° | 48° | 5.59 |
| Najaf | 32.0° N | 28° | 50° | 5.54 |
| Al Hillah | 32.5° N | 29° | 51° | 5.47 |
| Abū al-Kahṣīb | 30.4° N | 27° | 47° | 5.64 |
| Al Maḩmūdīyah | 33.1° N | 29° | 53° | 5.42 |
| Dihok | 36.9° N | 31° | 61° | 5.05 |
| Al ‘Amārah | 31.8° N | 28° | 51° | 5.49 |
| Al Diwaniyah | 32.0° N | 28° | 50° | 5.51 |
| Al-Kut | 32.5° N | 29° | 52° | 5.51 |
| Al Madīnah | 31.0° N | 27° | 48° | 5.57 |
| Kelar | 34.6° N | 30° | 59° | 5.36 |
Daylight and clock time in Iraq
In Batifa (37.2° N), the northernmost place, the longest day of the year lasts 14 h 43 min and the shortest 9 h 36 min; in Al Fāw (30.0° N), the southernmost, 14 h 05 min and 10 h 13 min. Iraq does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Asia/Baghdad | 101 | UTC+3 | no daylight saving time |