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Flag of AlgeriaSolar PV Analysis of Bir El Djir, Algeria

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Bir El Djir, Algeria (by season)

Bir el Djir, Algeria represents a highly favorable location for year-round solar photovoltaic energy generation, positioned in the Northern Temperate Zone at coordinates 35.7173°N, -0.5487°W. This location demonstrates strong solar energy potential across all seasons, making it an excellent candidate for solar installations.

Seasonal Solar Performance

The location shows remarkable seasonal variation in solar output, with summer delivering peak performance at 7.46 kWh per day per installed kW of solar capacity. Spring follows as the second-best season with 6.19 kWh per day per kW, while autumn produces 4.45 kWh per day per kW. Even during winter, the lowest-producing season, the location still generates a respectable 3.47 kWh per day per kW of installed capacity. Summer and spring represent the ideal times for solar generation at Bir el Djir, accounting for approximately 60% of the location's annual solar potential. The strong spring performance indicates that solar installations here can capitalize on extended periods of high productivity beyond just the peak summer months.

Optimal Panel Configuration

For maximum year-round energy production at Bir el Djir, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying position throughout the year and weighting for daily photovoltaic potential based on solar irradiance data.

Environmental and Weather Challenges

Several significant environmental factors could impede solar production at this Algerian location and require careful consideration during installation:
  • Desert dust and sand accumulation - The proximity to the Saharan region means frequent dust storms and sand deposition on panel surfaces
  • Extreme heat - High temperatures can reduce photovoltaic efficiency and accelerate equipment degradation
  • UV radiation intensity - Intense solar radiation can cause premature aging of panel materials and mounting systems
  • Temperature cycling - Large daily temperature variations between day and night can stress panel connections and mounting hardware

Preventative Measures for Optimal Performance

To maximize energy production despite these challenges, several installation strategies should be implemented: Regular cleaning systems are essential, whether automated washing systems or scheduled manual cleaning protocols to remove dust and sand buildup. Installing panels with adequate ventilation spacing underneath helps manage heat buildup and maintains efficiency during extreme temperatures. Selecting high-quality panels rated for desert conditions with enhanced UV resistance and temperature tolerance will ensure longevity. Robust mounting systems designed to handle thermal expansion and contraction are crucial for maintaining structural integrity over time. Implementing monitoring systems allows for early detection of performance degradation due to environmental factors, enabling prompt maintenance interventions. These measures, while requiring initial investment, significantly improve long-term energy production and system reliability at this otherwise excellent solar location.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 52 locations across Algeria. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Algeria by location

Solar output per kW of installed solar PV by season in Bir El Djir

Seasonal solar PV output for Latitude: 35.7173, Longitude: -0.5487 (Bir El Djir, Algeria), 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 7.46kWh/day in Summer.
Autumn
Average 4.45kWh/day in Autumn.
Winter
Average 3.47kWh/day in Winter.
Spring
Average 6.19kWh/day in Spring.

 

Ideally tilt fixed solar panels 31° South in Bir El Djir, Algeria

To maximize your solar PV system's energy output in Bir El Djir, Algeria (Lat/Long 35.7173, -0.5487) throughout the year, you should tilt your panels at an angle of 31° 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: 35.7173, Longitude: -0.5487, the ideal angle to tilt panels is 31° South

Seasonally adjusted solar panel tilt angles for Bir El Djir, Algeria

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 Bir El Djir, Algeria. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
19° South in Summer 40° South in Autumn 51° South in Winter 28° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Bir El Djir, Algeria as follows: In Summer, set the angle of your panels to 19° facing South. In Autumn, tilt panels to 40° facing South for maximum generation. During Winter, adjust your solar panels to a 51° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 28° angle facing South to capture the most solar energy in Bir El Djir, Algeria.

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 Bir El Djir, Algeria

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 Bir El Djir, Algeria.

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 Bir El Djir, Algeria

Bir el Djir sits in the northwestern region of Algeria, positioned on the coastal plains that extend inland from the Mediterranean Sea. The area occupies a transitional zone between the fertile coastal lowlands and the rising terrain that eventually leads to the Atlas Mountains further south. This location places it within a relatively flat to gently undulating landscape characterized by broad, open spaces and gradual elevation changes.

The immediate topography around Bir el Djir consists primarily of low-lying plains with elevations typically ranging from sea level to several hundred meters above sea level. These plains are punctuated by occasional low hills and gentle ridges that create a rolling countryside appearance. The terrain slopes very gradually from the interior toward the Mediterranean coast, creating natural drainage patterns that have shaped the landscape over millennia.

Regional Terrain Features

Moving inland from Bir el Djir toward the south and southeast, the landscape begins to show more pronounced elevation changes as it approaches the foothills of the Tell Atlas mountain range. However, the immediate vicinity remains relatively flat, making it part of the broader coastal plain system that characterizes much of northern Algeria. This plain extends for considerable distances in multiple directions, offering expansive areas of relatively uniform topography.

The western and northwestern areas maintain similar characteristics to the immediate vicinity, with gentle undulations and broad valleys separated by low ridges. To the north, the terrain gradually descends toward the Mediterranean coastline, while eastward extensions of the plain continue with similar topographical features.

Optimal Areas for Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be found in the extensive flat to gently sloping areas that dominate the landscape south and southeast of Bir el Djir. These zones offer the ideal combination of minimal topographical constraints and substantial available land area. The broad plains extending in these directions provide excellent opportunities for solar farm development due to their relatively uniform elevation and absence of significant natural obstacles.

Areas to the southwest also present favorable conditions, where the coastal plain continues to extend inland with similar topographical characteristics. These locations benefit from the same flat to gently rolling terrain that minimizes construction challenges and maximizes the efficiency of solar panel installations. The consistent elevation patterns in these areas would allow for optimal panel orientation and spacing without requiring extensive site preparation or grading.

The eastern extensions of the coastal plain represent another prime zone for solar development. Here, the topography maintains the same favorable characteristics found around Bir el Djir, with broad, open spaces and minimal elevation variation. These areas would be particularly well-suited for large-scale installations due to their accessibility and the absence of significant topographical barriers that might complicate construction or maintenance operations.

Algeria solar PV Stats as a country

Algeria ranks 53rd in the world for cumulative solar PV capacity, with 448 total MW's of solar PV installed. Each year Algeria is generating 10 Watts from solar PV per capita (Algeria ranks 73rd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Algeria?

Yes, there are incentives for businesses wanting to install solar energy in Algeria. The Algerian government has implemented a number of policies and programs to encourage the development of renewable energy sources, including solar energy. These include tax exemptions, subsidies, and other financial incentives for businesses that invest in renewable energy projects. Additionally, the government has established a Renewable Energy Development Fund (REDF) which provides grants and loans to support renewable energy projects.

Do you have more up to date information than this on incentives towards solar PV projects in Algeria? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Bir El Djir, Algeria
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 15th of August 2025
Last Updated: Friday 15th of August 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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