Solar PV Analysis of Dambai, Ghana
Dambai, Oti, Ghana, located in the Tropics, is an excellent location for generating solar energy year-round due to its consistently high sunlight exposure. The amount of electricity that can be produced from each kilowatt of installed solar power varies by season but remains relatively high throughout the year.
Specifically, during summer you can expect about 4.93 kilowatt-hours per day for each kilowatt of installed solar capacity. This increases to around 5.54 kWh/day in autumn and further improves to approximately 5.86 kWh/day in winter. Springtime sees the highest output with about 6.14 kWh/day per kW.
For a fixed panel installation at this location, tilting your panels at an angle of 8 degrees facing South would maximize total annual production from your solar system.
However, there may be local environmental or weather factors that could potentially interfere with solar production at this location which we must consider before installing a system here.
One significant factor is the wet and dry seasons characteristic of tropical climates like Dambai's; heavy rainfalls during wet seasons could reduce sunlight exposure and hence decrease solar output temporarily.
To mitigate these effects and ensure greater energy production overall, it's recommended to install durable panels capable of withstanding heavy rainfall without damage or efficiency loss, use tracking systems that allow panels to follow the sun’s path across the sky for maximum sunlight capture throughout changing weather conditions (although this may not always be cost-effective), and regular maintenance checks especially after extreme weather events can also help maintain optimal performance levels over time.
In conclusion: Dambai presents an ideal environment for consistent year-round generation of electricity via photovoltaic (solar) cells due to its geographical position in the tropics where sunlight is abundant most times of the year.
Note: The Tropics are located between 23.5° North and -23.5° South of the equator.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 12 locations across Ghana. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Ghana by location
Solar output per kW of installed solar PV by season in Dambai
Seasonal solar PV output for Latitude: 8.0641, Longitude: 0.1804 (Dambai, Ghana), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:
Ideally tilt fixed solar panels 8° South in Dambai, Ghana
To maximize your solar PV system's energy output in Dambai, Ghana (Lat/Long 8.0641, 0.1804) throughout the year, you should tilt your panels at an angle of 8° South for fixed panel installations.
As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.
We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.
Seasonally adjusted solar panel tilt angles for Dambai, Ghana
If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Dambai, Ghana. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 8° North in Summer | 15° South in Autumn | 24° South in Winter | 1° South in Spring |
Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.
This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.
Calculate solar panel row spacing in Dambai, Ghana
We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Dambai, Ghana.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - Minimum Spacing:
We add the shadow length to the horizontal space occupied by tilted panels.
This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.
Topography for solar PV around Dambai, Ghana
Dambai, Ghana is located in the Volta Region and is characterized by a relatively flat terrain with slight undulations. The region has an average elevation of around 74 meters above sea level. It's surrounded by savannah grasslands, shrubs, and scattered trees typical of the West African landscape.
The topography around Dambai makes it potentially suitable for large-scale solar photovoltaic (PV) installations. The flat terrain would allow for easy installation of solar panels, while the consistently sunny climate could provide a reliable source of solar energy.
In terms of specific areas suited to large-scale solar PV:
1. Open Savannah Lands: The open savannah lands surrounding Dambai offer vast spaces that can be utilized for large scale Solar PV projects without much hindrance from vegetation or uneven terrain.
2. Agricultural Land: Unused or less productive agricultural land can also be converted into solar farms since they are typically clear and receive ample sunlight.
3. Near Industrial Zones: Setting up near industrial zones could reduce transmission losses and costs as power generated can be directly supplied to these industries.
However, before setting up any such project, it's crucial to conduct a detailed site analysis considering various factors like land ownership rights, local weather patterns including cloud cover data over the years, accessibility to grid infrastructure etc., along with topographical suitability.
Ghana solar PV Stats as a country
Ghana ranks 85th in the world for cumulative solar PV capacity, with 108 total MW's of solar PV installed. Each year Ghana is generating 3 Watts from solar PV per capita (Ghana ranks 83rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Ghana?
Yes, there are several incentives for businesses wanting to install solar energy in Ghana. The government of Ghana has implemented a number of policies and programs to promote the use of renewable energy sources such as solar power. These include tax exemptions, subsidies, and grants for businesses that install solar systems. Additionally, the government has established a Renewable Energy Fund which provides financial support for projects related to renewable energy development. Finally, the government also offers technical assistance and capacity building services to help businesses develop their own solar projects.
Do you have more up to date information than this on incentives towards solar PV projects in Ghana? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 4th of June 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.
However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.
