66 places · sun position · panel angle

Solar data for Benin

Across the 66 places in Benin the best fixed tilt for solar panels runs from 7° in Ouidah to 13° in Malanville, and flat ground gets 4.6 to 5.7 peak sun hours a day. Every number is computed for each place.

Solar power in Benin at a glance

Averages over 66 places with climate data, for a fixed array facing south.

Best panel angle10°average, facing south
Peak sun hours5.01a day on flat ground
1 kWp makes1,465kWh a year at the best angle
Off-grid angle0°average, for the darkest month
CotonouMalanville (most sun)
  • 4.64–4.86
  • 4.86–5.08
  • 5.08–5.30
  • 5.30–5.52
  • 5.52–5.73

Peak sun hours a day on flat ground. Each dot is one place.

The sunniest place in Benin is Malanville (Alibori) with 5.73 peak sun hours a day on flat ground; the least sunny are Porto-Novo and one other place with 4.64. A 1 kWp array at its best angle makes from 1,350 kWh a year in Porto-Novo to 1,682 kWh in Malanville — 1,465 kWh on average.

The best year-round tilt runs from 7° in Ouidah to 13° in Malanville. Off-grid systems are sized for the darkest month and do better steeper, at 0° on average: at 70° that month brings 1.10 kWh per kWp a day in Semi and 1.46 kWh in Malanville.

Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.

Sunniest places in Benin

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.

RankPlaceRegionSun hours/daykWh per kWp a yearBest tilt
1MalanvilleAlibori5.731,68213°
2BanikoaraAlibori5.651,66013°
3KandiAlibori5.611,64913°
4SégbanaAlibori5.571,63713°
5KérouAtakora5.541,63113°
6MatériAtakora5.511,62212°
7TanguiétaAtakora5.491,61612°
8CoblyAtakora5.471,61112°
9ToukountounaAtakora5.461,60712°
10SinendéBorgou5.451,60312°

Least sunny places in Benin

RankPlaceRegionSun hours/daykWh per kWp a yearBest tilt
62BanigbéPlateau4.651,3548°
62MissérétéOuémé4.651,3538°
62AvrankouOuémé4.651,3528°
65AdjarraOuémé4.641,3508°
65Porto-NovoOuémé4.641,3508°

Solar by region in Benin

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.

RegionPlacesSun hours/daykWh per kWp a yearBest tiltDarkest month at 70°Sunniest place
Alibori45.641,65713°1.41 kWhMalanville
Atakora95.451,60512°1.35 kWhKérou
Borgou85.301,55812°1.34 kWhSinendé
Donga45.251,54311°1.31 kWhKopargo
Collines74.921,4399°1.22 kWhBanté
Kouffo54.841,4108°1.19 kWhAplahoué
Mono34.811,4008°1.17 kWhAthiémé
Zou64.801,4008°1.20 kWhDjidja
Atlantique84.711,3718°1.13 kWhOuidah
Plateau54.691,3678°1.16 kWhKétou
Littoral14.681,3628°1.10 kWhCotonou
Ouémé64.651,3528°1.11 kWhEkpé

Largest places in Benin at a glance

PlaceLatitudeBest tiltOff-grid tiltSun hours/day (flat)
Cotonou6.4° N8°0°4.68
Abomey-Calavi6.4° N8°0°4.68
Porto-Novo6.5° N8°0°4.64
Parakou9.3° N11°0°5.16
Godomè6.4° N8°0°4.70
Abomey7.2° N8°0°4.83
Djougou9.7° N11°0°5.28
Bohicon7.2° N8°0°4.82
Ekpé6.4° N8°0°4.66
Nikki9.9° N12°0°5.33
Malanville11.9° N13°0°5.73
Kandi11.1° N13°0°5.61
Kérou10.8° N13°0°5.54
Natitingou10.3° N12°0°5.41
Pobé7.0° N8°0°4.69
Ouidah6.4° N7°0°4.75
Lokossa6.6° N8°0°4.82
Bassila9.0° N11°0°5.16
Tchaourou8.9° N11°0°5.06
Cové7.2° N8°0°4.77

Daylight and clock time in Benin

In Malanville (11.9° N), the northernmost place, the longest day of the year lasts 12 h 49 min and the shortest 11 h 26 min; in Ouidah (6.4° N), the southernmost, 12 h 30 min and 11 h 45 min. Benin does not use daylight saving time: the clocks stay the same all year.

Time zonePlacesUTC offsetClocks change in 2026
Africa/Porto-Novo66UTC+1no daylight saving time

Questions about solar in Benin

What is the best angle for solar panels in Benin?
Facing south, between 7° and 13° depending on the place — 10° on average over 66 places. Off-grid systems that must get through the darkest month do better steeper, at about 0° on average.
How many peak sun hours does Benin get?
From 4.6 hours a day in Porto-Novo to 5.7 in Malanville on flat ground, averaged over the year; 5.0 on average.
How much electricity does 1 kWp of solar panels produce in Benin?
About 1,465 kWh a year at the best fixed angle on average, from 1,350 kWh in Porto-Novo to 1,682 kWh in Malanville. These are long-term climate averages; a single year can be several per cent higher or lower.
Where is the sunniest place in Benin?
Malanville (Alibori) gets the most sun of the 66 places: 5.73 peak sun hours a day on flat ground, so 1 kWp there makes about 1,682 kWh a year.
Does Benin use daylight saving time?
Benin does not use daylight saving time: the clocks stay the same all year.
How long is the longest day in Benin?
12 h 49 min in Malanville; the shortest day lasts 11 h 26 min in Malanville.

All places in Benin