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Flag of GhanaSolar PV Analysis of Koforidua, Ghana

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Koforidua, Ghana (by season)

Koforidua, Eastern Region, Ghana, situated at latitude 6.1015 and longitude -0.2662, presents a promising location for solar energy generation. This tropical setting offers consistent sunlight throughout the year, with seasons primarily characterized by wet and dry periods rather than temperature variations.

The solar energy potential in Koforidua is remarkably stable across all seasons. Spring stands out as the most productive period, with an average daily output of 5.83 kWh per kW of installed solar capacity. Summer sees a slight dip to 4.99 kWh/day, while both autumn and winter maintain a steady 5.39 kWh/day. This consistency is a significant advantage for solar energy production in the region.

Optimal Panel Positioning

For fixed solar panel installations in Koforidua, Eastern Region, the ideal tilt angle to maximize year-round energy production is 6 degrees facing South. This slight tilt helps optimize sunlight capture throughout the year, accounting for the Earth's elliptical orbit and the location's proximity to the equator.

Environmental Considerations

While Koforidua's climate is generally favorable for solar energy production, there are some environmental factors to consider:

  • Dust and pollen accumulation during dry seasons can reduce panel efficiency
  • Heavy rainfall in wet seasons may temporarily decrease solar output
To mitigate these issues, regular panel cleaning and maintenance should be incorporated into the solar installation plan. Additionally, using high-quality, weather-resistant panels and ensuring proper drainage systems are in place can help maintain optimal performance throughout the year.

Overall, Koforidua's location offers excellent potential for solar energy generation, with its consistent sunlight and minimal seasonal variations providing a reliable source of renewable energy year-round.

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 Koforidua

Seasonal solar PV output for Latitude: 6.1015, Longitude: -0.2662 (Koforidua, 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:

Summer
Average 4.99kWh/day in Summer.
Autumn
Average 5.39kWh/day in Autumn.
Winter
Average 5.39kWh/day in Winter.
Spring
Average 5.83kWh/day in Spring.

 

Ideally tilt fixed solar panels 6° South in Koforidua, Ghana

To maximize your solar PV system's energy output in Koforidua, Ghana (Lat/Long 6.1015, -0.2662) throughout the year, you should tilt your panels at an angle of 6° 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.

The sun
At Latitude: 6.1015, Longitude: -0.2662, the ideal angle to tilt panels is 6° South

Seasonally adjusted solar panel tilt angles for Koforidua, 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 Koforidua, Ghana. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
10° North in Summer 13° South in Autumn 22° South in Winter 1° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Koforidua, Ghana as follows: In Summer, set the angle of your panels to 10° facing North. In Autumn, tilt panels to 13° facing South for maximum generation. During Winter, adjust your solar panels to a 22° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 1° angle facing North to capture the most solar energy in Koforidua, Ghana.

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 Koforidua, 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 Koforidua, Ghana.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Koforidua, Ghana

The topography around Koforidua, Ghana, is characterized by a mix of gently rolling hills, plateaus, and valleys. The city itself is situated on a relatively flat area, but as you move outward, the landscape becomes more varied. To the north and east, the terrain gradually rises towards the Kwahu Plateau, creating a series of undulating hills and ridges. These elevated areas provide stunning views of the surrounding countryside. To the south and west of Koforidua, the land is generally flatter, with occasional low-lying hills and shallow valleys. This region is part of the Volta Basin, which features a network of rivers and streams that contribute to the area's lush vegetation. The Densu River, an important water source for the region, flows near Koforidua, carving its path through the landscape.

Suitable Areas for Large-Scale Solar PV

When considering locations for large-scale solar photovoltaic (PV) installations near Koforidua, several factors come into play. The most suitable areas would be those with ample sunlight exposure, minimal shading, and relatively flat terrain to reduce installation costs and maximize efficiency. The regions to the south and west of Koforidua offer promising potential for solar PV development. These areas feature more expansive, open landscapes with fewer obstructions that could cast shadows on solar panels. The flatter terrain in this direction would also simplify the construction process and reduce the need for extensive land preparation. Additionally, some of the gently sloping hills to the north and east of Koforidua could be suitable for solar installations, particularly those facing south. These elevated areas may benefit from increased sun exposure throughout the day, potentially boosting energy production. However, care would need to be taken to avoid steep slopes or areas prone to erosion. It's important to note that while the topography plays a crucial role in determining suitable locations for solar PV, other factors such as proximity to power infrastructure, land ownership, and environmental considerations would also need to be taken into account when planning large-scale solar projects in the region.

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

Article: Solar PV Analysis of Koforidua, Ghana
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 11th of February 2025
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.

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