Ghazaouet, Tlemcen, Algeria presents a moderately good location for year-round solar PV energy generation, though with significant seasonal variation in output potential.

Seasonal Solar Performance

The solar energy production at this coastal Algerian location shows strong summer performance with 7.21 kWh per day per kW of installed capacity, making it the most productive season. Spring also delivers solid results at 6.07 kWh/day per kW, representing the second-best period for solar generation. Autumn production drops to 4.49 kWh/day per kW, while winter shows the lowest output at 3.36 kWh/day per kW. This seasonal pattern is typical for Northern Temperate Zone locations, where winter sun angles are lower and daylight periods shorter. For maximum year-round energy harvest, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This optimal angle balances seasonal variations to maximize total annual production.

Environmental Factors Affecting Solar Production

Several environmental factors at Ghazaouet could impact solar panel performance:

• Saharan dust storms: Algeria's proximity to the Sahara Desert means periodic dust storms can deposit sand and fine particles on solar panels, significantly reducing their efficiency
• Mediterranean humidity and salt air: The coastal location exposes panels to humid, salt-laden air that can accelerate corrosion of metal components and reduce panel lifespan
• Temperature extremes: High summer temperatures can reduce panel efficiency, as solar panels typically lose 0.4-0.5% efficiency per degree above 25°C

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies should be implemented. Regular cleaning schedules are essential, with panels requiring washing every 2-4 weeks during dusty periods to maintain optimal light transmission. Installing panels with adequate ventilation spacing underneath helps manage heat buildup, while using corrosion-resistant mounting hardware and regular inspection of electrical connections prevents salt air damage. Anti-reflective coatings and hydrophobic treatments can help panels shed dust and moisture more effectively. Monitoring systems should be installed to track performance drops that indicate cleaning needs or equipment issues. With proper installation and maintenance practices, Ghazaouet can provide reliable solar energy generation, particularly excelling during the productive spring and summer months.

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 Ghazaouet

Seasonal solar PV output for Latitude: 35.1045, Longitude: -1.8605 (Ghazaouet, 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:

 

Ideally tilt fixed solar panels 31° South in Ghazaouet, Algeria

To maximize your solar PV system's energy output in Ghazaouet, Algeria (Lat/Long 35.1045, -1.8605) 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.

Seasonally adjusted solar panel tilt angles for Ghazaouet, 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 Ghazaouet, 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	50° South in Winter	28° 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 Ghazaouet, 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 Ghazaouet, 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.

Topography for solar PV around Ghazaouet, Algeria

Topography and Landscape of Ghazaouet

Ghazaouet sits along Algeria's Mediterranean coastline in the northwestern region of the country, positioned where the rugged terrain of the Tell Atlas mountains meets the sea. The immediate area around this coastal town features a dramatic landscape of rolling hills and steep escarpments that rise sharply from the narrow coastal plain. These hills are part of the broader Atlas mountain system, creating a series of ridges and valleys that extend inland from the Mediterranean shore.

The coastal zone itself is relatively narrow, with limited flat terrain available directly adjacent to Ghazaouet. The topography quickly transitions from the small coastal plain to increasingly elevated and undulating terrain as one moves inland. The local landscape is characterized by limestone and sedimentary rock formations typical of the Mediterranean Atlas region, with elevations ranging from sea level to several hundred meters within a relatively short distance from the coast.

The region experiences typical Mediterranean vegetation patterns, with scrubland and low forest cover on the hillsides, while agricultural activities tend to concentrate in the valleys and any available flat areas. The terrain becomes progressively more mountainous moving south and southwest from Ghazaouet, with the Atlas foothills creating a complex pattern of ridges, valleys, and plateaus.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Ghazaouet would be found on the inland plateaus and broader valley floors, particularly those areas situated south and southeast of the town. These locations offer the necessary combination of relatively flat terrain and adequate space for extensive solar arrays while being positioned away from the more challenging coastal topography.

The elevated plateaus that extend inland from the immediate coastal hills present excellent opportunities for solar development. These areas typically feature more gentle slopes and broader expanses of land compared to the steep coastal terrain. The higher elevation also provides advantages in terms of cooler operating temperatures for solar panels and reduced atmospheric interference.

Valley systems that run roughly parallel to the coast, particularly those with east-west orientations, would be well-suited for solar installations. These valleys often contain flatter agricultural land that could potentially be converted or shared with solar infrastructure. The natural shelter provided by surrounding hills can also offer protection from coastal winds while maintaining good solar exposure.

Areas located approximately 10 to 20 kilometers inland from Ghazaouet would likely provide the best balance of suitable topography and practical accessibility. This distance places potential solar sites beyond the most challenging coastal terrain while remaining close enough to existing infrastructure for grid connection and maintenance access. The terrain in these inland areas tends to be more stable and less affected by coastal erosion or salt spray, factors that could impact long-term solar installation performance.

When selecting specific sites, preference should be given to south-facing slopes with gradients of less than 10 degrees, as these provide optimal solar panel positioning while minimizing construction challenges. Areas with existing road access or proximity to transmission infrastructure would also be advantageous for large-scale solar development in this topographically complex region.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.