98 places · sun position · panel angle
Solar data for Ghana
Across the 98 places in Ghana the best fixed tilt for solar panels runs from 6° in Accra to 13° in Bawku, and flat ground gets 4.6 to 5.6 peak sun hours a day. Every number is computed for each place.
Solar power in Ghana at a glance
Averages over 98 places with climate data, for a fixed array facing south.
- 4.58–4.78
- 4.78–4.99
- 4.99–5.20
- 5.20–5.41
- 5.41–5.61
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest places in Ghana, with 5.61 peak sun hours a day on flat ground, are Bawku and one other place; the least sunny is Prestea with 4.58. A 1 kWp array at its best angle makes from 1,331 kWh a year in Prestea to 1,650 kWh in Bawku — 1,426 kWh on average.
The best year-round tilt runs from 6° in Accra to 13° in Bawku. 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 Esim and 1.38 kWh in Bawku.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Ghana
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 | Bawku | Upper East | 5.61 | 1,650 | 13° |
| 1 | Navrongo | Upper East | 5.61 | 1,645 | 12° |
| 3 | Bolgatanga | Upper East | 5.57 | 1,636 | 12° |
| 4 | Jirapa | Upper West | 5.55 | 1,630 | 12° |
| 5 | Nalerigu | North East | 5.51 | 1,616 | 12° |
| 6 | Wa | Upper West | 5.40 | 1,581 | 11° |
| 7 | Savelugu | Northern | 5.30 | 1,548 | 11° |
| 8 | Tamale | Northern | 5.25 | 1,533 | 11° |
| 9 | Yendi | Northern | 5.23 | 1,529 | 11° |
| 10 | Damongo | Savannah | 5.19 | 1,513 | 10° |
Least sunny places in Ghana
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 92 | Dunkwa | Central | 4.63 | 1,347 | 7° |
| 95 | Elubo | Western | 4.62 | 1,343 | 7° |
| 96 | Assin Foso | Central | 4.61 | 1,341 | 7° |
| 97 | Twifu Praso | Central | 4.60 | 1,340 | 7° |
| 98 | Prestea | Western | 4.58 | 1,331 | 7° |
Solar by region in Ghana
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 |
|---|---|---|---|---|---|---|
| Upper East | 3 | 5.60 | 1,644 | 12° | 1.37 kWh | Bawku |
| North East | 1 | 5.51 | 1,616 | 12° | 1.34 kWh | Nalerigu |
| Upper West | 2 | 5.48 | 1,605 | 12° | 1.35 kWh | Jirapa |
| Northern | 4 | 5.23 | 1,527 | 11° | 1.30 kWh | Savelugu |
| Savannah | 2 | 5.16 | 1,504 | 10° | 1.28 kWh | Damongo |
| Oti | 1 | 5.02 | 1,468 | 10° | 1.21 kWh | Dambai |
| Bono East | 5 | 4.98 | 1,452 | 9° | 1.25 kWh | Yegyi |
| Greater Accra | 15 | 4.95 | 1,439 | 7° | 1.12 kWh | Tema New Town |
| Volta | 8 | 4.95 | 1,439 | 7° | 1.14 kWh | Anloga |
| Eastern | 11 | 4.84 | 1,409 | 7° | 1.15 kWh | Aburi |
| Central | 13 | 4.78 | 1,390 | 7° | 1.12 kWh | Kasoa |
| Ashanti | 13 | 4.77 | 1,391 | 8° | 1.20 kWh | Ejura |
| Bono | 7 | 4.72 | 1,377 | 9° | 1.21 kWh | Wankyi |
| Western | 8 | 4.72 | 1,370 | 6° | 1.11 kWh | Takoradi |
| Ahafo | 4 | 4.70 | 1,371 | 8° | 1.20 kWh | Bechem |
| Western North | 1 | 4.63 | 1,349 | 8° | 1.18 kWh | Bibiani |
Largest places in Ghana at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Kumasi | 6.7° N | 8° | 0° | 4.74 |
| Accra | 5.6° N | 6° | 0° | 4.96 |
| Tamale | 9.4° N | 11° | 0° | 5.25 |
| Takoradi | 4.9° N | 6° | 0° | 4.80 |
| Sekondi | 4.9° N | 6° | 0° | 4.78 |
| Cape Coast | 5.1° N | 6° | 0° | 4.79 |
| Atsiaman | 5.7° N | 7° | 0° | 4.92 |
| Ashaiman | 5.7° N | 7° | 0° | 4.97 |
| Obuase | 6.2° N | 7° | 0° | 4.66 |
| Tema | 5.7° N | 7° | 0° | 4.97 |
| Koforidua | 6.1° N | 7° | 0° | 4.89 |
| Sekondi-Takoradi | 4.9° N | 6° | 0° | 4.78 |
| Ho | 6.6° N | 8° | 0° | 4.92 |
| Amanfrom | 5.5° N | 7° | 0° | 4.92 |
| Medina Estates | 5.7° N | 7° | 0° | 4.95 |
| Twifu Praso | 5.6° N | 7° | 0° | 4.60 |
| Japekrom | 7.6° N | 9° | 0° | 4.70 |
| Tema New Town | 5.7° N | 7° | 0° | 4.98 |
| Sunyani | 7.3° N | 9° | 0° | 4.74 |
| Hohoe | 7.2° N | 8° | 0° | 4.94 |
Daylight and clock time in Ghana
In Bawku (11.1° N), the northernmost place, the longest day of the year lasts 12 h 46 min and the shortest 11 h 29 min; in Esim (4.9° N), the southernmost, 12 h 24 min and 11 h 51 min. Ghana does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Accra | 98 | UTC | no daylight saving time |