23 places · sun position · panel angle
Solar data for Bosnia and Herzegovina
Across the 23 places in Bosnia and Herzegovina the best fixed tilt for solar panels is 35°, and flat ground gets 3.6 to 4.1 peak sun hours a day. Every number is computed for each place.
Solar power in Bosnia and Herzegovina at a glance
Averages over 23 places with climate data, for a fixed array facing south.
- 3.60–3.71
- 3.71–3.82
- 3.82–3.93
- 3.93–4.03
- 4.03–4.14
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Bosnia and Herzegovina is Trebinje (Srpska) with 4.14 peak sun hours a day on flat ground; the least sunny is Banja Luka with 3.60. A 1 kWp array at its best angle makes from 1,271 kWh a year in Banja Luka to 1,454 kWh in Trebinje — 1,304 kWh on average.
The best year-round tilt is 35° everywhere. Off-grid systems are sized for the darkest month and do better steeper, at 67° on average: at 70° that month brings 1.83 kWh per kWp a day in Brčko and 2.66 kWh in Trebinje.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Bosnia and Herzegovina
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 | Trebinje | Srpska | 4.14 | 1,454 | 35° |
| 2 | Mostar | Federation of B&H | 3.92 | 1,383 | 35° |
| 3 | Konjic | Federation of B&H | 3.79 | 1,342 | 35° |
| 4 | Bugojno | Federation of B&H | 3.73 | 1,316 | 35° |
| 5 | Ilidža | Federation of B&H | 3.72 | 1,316 | 35° |
| 6 | Sarajevo | Federation of B&H | 3.71 | 1,313 | 35° |
| 7 | Goražde | Federation of B&H | 3.70 | 1,312 | 35° |
| 7 | Visoko | Federation of B&H | 3.70 | 1,308 | 35° |
| 9 | Bihać | Federation of B&H | 3.69 | 1,298 | 35° |
| 10 | Cazin | Federation of B&H | 3.67 | 1,291 | 35° |
Least sunny places in Bosnia and Herzegovina
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 18 | Prijedor | Srpska | 3.62 | 1,275 | 35° |
| 18 | Tuzla | Federation of B&H | 3.62 | 1,275 | 35° |
| 18 | Doboj | Srpska | 3.62 | 1,274 | 35° |
| 18 | Lukavac | Federation of B&H | 3.62 | 1,273 | 35° |
| 23 | Banja Luka | Srpska | 3.60 | 1,271 | 35° |
Solar by region in Bosnia and Herzegovina
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.
Largest places in Bosnia and Herzegovina at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Sarajevo | 43.8° N | 35° | 69° | 3.71 |
| Banja Luka | 44.8° N | 35° | 66° | 3.60 |
| Zenica | 44.2° N | 35° | 69° | 3.67 |
| Tuzla | 44.5° N | 35° | 66° | 3.62 |
| Mostar | 43.3° N | 35° | 66° | 3.92 |
| Bihać | 44.8° N | 35° | 67° | 3.69 |
| Ilidža | 43.8° N | 35° | 69° | 3.72 |
| Lukavac | 44.5° N | 35° | 69° | 3.62 |
| Bugojno | 44.1° N | 35° | 66° | 3.73 |
| Brčko | 44.9° N | 35° | 66° | 3.65 |
| Bijeljina | 44.8° N | 35° | 66° | 3.66 |
| Prijedor | 45.0° N | 35° | 67° | 3.62 |
| Trebinje | 42.7° N | 35° | 67° | 4.14 |
| Travnik | 44.2° N | 35° | 69° | 3.66 |
| Doboj | 44.7° N | 35° | 69° | 3.62 |
| Cazin | 45.0° N | 35° | 67° | 3.67 |
| Velika Kladuša | 45.2° N | 35° | 67° | 3.65 |
| Visoko | 44.0° N | 35° | 69° | 3.70 |
| Goražde | 43.7° N | 35° | 69° | 3.70 |
| Konjic | 43.7° N | 35° | 69° | 3.79 |
Daylight and clock time in Bosnia and Herzegovina
In Velika Kladuša (45.2° N), the northernmost place, the longest day of the year lasts 15 h 39 min and the shortest 8 h 45 min; in Trebinje (42.7° N), the southernmost, 15 h 20 min and 9 h 02 min. The clocks change twice a year: forward on Sun 29 Mar, back on Sun 25 Oct (Europe/Sarajevo).
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Europe/Sarajevo | 23 | UTC+1, in summer UTC+2 | Forward on Sun 29 Mar, back on Sun 25 Oct |