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Flag of NigeriaSolar PV Analysis of Enugu-Ukwu, Nigeria

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Enugu-Ukwu, Nigeria (by season)

Enugu-Ukwu, Anambra, Nigeria, situated at 6.1715°N, 7.0053°E, presents a favorable location for solar PV energy generation throughout the year. This tropical setting benefits from consistent sunlight, with seasons primarily distinguished by wet and dry periods rather than temperature variations.

The solar energy potential in Enugu-Ukwu demonstrates impressive consistency across all meteorological seasons. Winter stands out as the most productive period, yielding 5.70 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 5.60 kWh/day, while Autumn and Summer produce 5.08 kWh/day and 4.79 kWh/day, respectively.

Optimal Solar Panel Installation

To maximize year-round solar energy production in Enugu-Ukwu, Anambra, fixed solar panels should be tilted at a 7-degree angle facing South. This optimal tilt ensures the panels capture the most sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's proximity to the equator.

Ideal Generation Periods

While solar energy generation remains relatively consistent year-round in Enugu-Ukwu, Anambra, the winter months offer the highest potential for solar PV output. The dry season, typically from November to March, coincides with peak solar generation periods, making it an excellent time for solar energy harvesting.

Environmental and Weather Considerations

Despite the generally favorable conditions, there are some factors that could potentially impact solar production in Enugu-Ukwu:

  1. Dust and harmattan haze: During the dry season, dust and harmattan haze can accumulate on solar panels, reducing their efficiency.
  2. Heavy rainfall: The wet season (typically April to October) may bring periods of heavy cloud cover and rainfall, temporarily reducing solar output.

To mitigate these issues, regular cleaning of solar panels is essential, especially during the dry season. Additionally, installing panels at the optimal tilt angle helps rainwater naturally clean the panels during the wet season. Implementing a robust mounting system can also protect panels from potential damage during heavy storms.

Overall, Enugu-Ukwu's location offers excellent potential for year-round solar energy generation, with only minor challenges that can be effectively managed through proper installation and maintenance practices.

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 50 locations across Nigeria. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Nigeria by location

Solar output per kW of installed solar PV by season in Enugu-Ukwu

Seasonal solar PV output for Latitude: 6.1715, Longitude: 7.0053 (Enugu-Ukwu, Nigeria), 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 4.79kWh/day in Summer.
Autumn
Average 5.08kWh/day in Autumn.
Winter
Average 5.70kWh/day in Winter.
Spring
Average 5.60kWh/day in Spring.

 

Ideally tilt fixed solar panels 7° South in Enugu-Ukwu, Nigeria

To maximize your solar PV system's energy output in Enugu-Ukwu, Nigeria (Lat/Long 6.1715, 7.0053) throughout the year, you should tilt your panels at an angle of 7° 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: 6.1715, Longitude: 7.0053, the ideal angle to tilt panels is 7° South

Seasonally adjusted solar panel tilt angles for Enugu-Ukwu, Nigeria

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 Enugu-Ukwu, Nigeria. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° 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 0° in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Enugu-Ukwu, Nigeria 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 0° angle facing to capture the most solar energy in Enugu-Ukwu, Nigeria.

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 Enugu-Ukwu, Nigeria

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 Enugu-Ukwu, Nigeria.

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 Enugu-Ukwu, Nigeria

The topography around Enugu-Ukwu, Nigeria, is characterized by a diverse landscape that reflects the region's geological history and climate. Located in the southeastern part of the country, this area is part of the larger Anambra State, which is known for its rolling hills, lush vegetation, and numerous water bodies. The terrain surrounding Enugu-Ukwu is predominantly undulating, with gentle slopes and occasional steeper hillsides. The elevation in this region typically ranges from about 150 to 300 meters above sea level, creating a mix of low-lying areas and higher ground. This varied topography contributes to the area's scenic beauty and influences local microclimates. One of the most notable features of the landscape is the abundance of tropical vegetation. The region experiences a humid subtropical climate, which supports dense forests, particularly in areas that have not been cleared for agriculture or urban development. These forests play a crucial role in maintaining soil stability and providing habitats for diverse flora and fauna. Interspersed throughout the area are numerous streams and small rivers, which form part of the larger Niger River basin. These waterways have carved shallow valleys and contribute to the overall undulating nature of the terrain. During the rainy season, these water bodies can swell significantly, occasionally leading to localized flooding in low-lying areas.

Suitability for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations for solar PV projects in this region would have the following characteristics: Firstly, relatively flat or gently sloping land would be preferable. Areas to the east and southeast of Enugu-Ukwu, where the terrain tends to be less hilly, could be suitable candidates. These locations would require minimal land preparation and would be easier to develop for large-scale solar installations. Secondly, areas with less dense vegetation cover would be more appropriate. While the region is generally lush, there are pockets of land that have been previously cleared for agriculture or other purposes. These areas, if not currently in productive use, could be repurposed for solar farms with minimal environmental impact. Thirdly, locations with good road access would be advantageous for the construction and maintenance of solar facilities. The areas along major roads leading out of Enugu-Ukwu, particularly towards the north and west, might offer suitable sites that balance accessibility with available open space. Lastly, it's important to consider proximity to existing electrical infrastructure. Areas closer to major towns or industrial zones, where power demand is higher and grid connections are more readily available, would be more practical for large-scale solar PV projects. The outskirts of nearby urban centers like Awka or Onitsha might offer such opportunities. In conclusion, while the lush, hilly topography around Enugu-Ukwu presents some challenges for large-scale solar PV development, there are certainly areas within the broader region that could be suitable. Careful site selection, taking into account both the physical landscape and infrastructure considerations, would be crucial for successful implementation of solar energy projects in this part of Nigeria.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Enugu-Ukwu, Nigeria
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 5th of March 2025
Last Updated: Monday 21st of July 2025

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Compare this location to others worldwide for solar PV potential

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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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