Fouchana, Ben Arous Governorate, Tunisia offers excellent conditions for year-round solar energy generation, making it a highly attractive location for solar PV installations. Located in the Northern Temperate Zone at coordinates 36.7001°N, 10.1739°E, this area benefits from abundant sunshine throughout the year with consistently strong energy output potential.

Seasonal Solar Performance

The solar energy production at Fouchana varies significantly across seasons, reflecting the natural patterns of solar availability. Summer delivers peak performance with an impressive 7.34 kWh per day per kW of installed solar capacity, making it the most productive season for solar energy generation. Spring follows as the second-best season with 5.98 kWh per day per kW, offering nearly 82% of summer's output. Autumn provides moderate production at 4.02 kWh per day per kW, while winter represents the lowest output period at 3.01 kWh per day per kW of installed capacity.

Optimal Installation Setup

For maximum year-round energy production at Fouchana, Ben Arous Governorate, solar panels should be installed at a fixed tilt angle of 32 degrees facing South. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and weighting for daily solar potential based on actual irradiance data.

Environmental and Weather Factors

Several environmental factors in the Fouchana region could potentially impact solar energy production and should be considered during installation planning:

• Saharan dust storms: Tunisia's proximity to the Sahara Desert means periodic dust storms can deposit fine sand particles on solar panels, reducing their efficiency significantly
• Mediterranean humidity and salt air: Being relatively close to the Mediterranean coast, salt-laden air can cause corrosion issues with mounting hardware and electrical connections
• Occasional heavy rainfall: While generally dry, the region can experience intense rainfall during certain periods, requiring proper drainage considerations
• Temperature extremes: High summer temperatures can reduce panel efficiency, while thermal cycling between day and night temperatures can stress system components

Preventative Measures for Optimal Performance

To maximize solar energy production despite these environmental challenges, several preventative measures should be implemented: Regular cleaning schedules are essential, particularly during dust storm seasons. Installing automated cleaning systems or planning for frequent manual cleaning can maintain panel efficiency. Using anti-soiling coatings on panel surfaces can also help reduce dust accumulation. For coastal salt air protection, all mounting hardware and electrical connections should use marine-grade materials with appropriate corrosion resistance ratings. Stainless steel or aluminum components with protective coatings work best in these conditions. Proper drainage design around solar installations prevents water pooling and reduces humidity-related issues. Adequate ventilation spacing behind panels helps manage heat buildup and maintains optimal operating temperatures. Installing monitoring systems allows for early detection of performance issues, enabling prompt maintenance responses. This is particularly important in dusty environments where performance can degrade gradually without obvious visual signs. Overall, Fouchana represents an excellent location for solar PV installations, with strong year-round production potential that can be maintained through proper planning and maintenance practices.

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

Link: Solar PV potential in Tunisia by location

Solar output per kW of installed solar PV by season in Fouchana

Seasonal solar PV output for Latitude: 36.7001, Longitude: 10.1739 (Fouchana, Tunisia), 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 32° South in Fouchana, Tunisia

To maximize your solar PV system's energy output in Fouchana, Tunisia (Lat/Long 36.7001, 10.1739) throughout the year, you should tilt your panels at an angle of 32° 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 Fouchana, Tunisia

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 Fouchana, Tunisia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
21° South in Summer	41° South in Autumn	51° South in Winter	29° 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 Fouchana, Tunisia

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 Fouchana, Tunisia.

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 Fouchana, Tunisia

Topographical Features Around Fouchana

Fouchana sits in the northern coastal region of Tunisia, positioned within the greater Tunis metropolitan area approximately 15 kilometers south of the capital city. The terrain around Fouchana is characterized by gently rolling hills and low-lying plains that are typical of Tunisia's northern Mediterranean coastal zone. The landscape features a mix of agricultural lands, suburban developments, and scattered olive groves that have been cultivated for centuries.

The elevation in and around Fouchana ranges from about 50 to 150 meters above sea level, with the terrain gradually rising as one moves inland from the Mediterranean coast to the northwest. The area experiences a relatively mild topographical profile without significant mountains or steep gradients, making it part of the broader Tunis-Ariana plain system. Small wadis (seasonal watercourses) cut through the landscape, creating subtle valleys and depressions that drain toward the Mediterranean Sea.

The soil composition consists primarily of fertile alluvial deposits mixed with clay and limestone substrates, which has historically supported agriculture in the region. The landscape is punctuated by scattered hills and ridges that rarely exceed 200 meters in elevation, creating a gently undulating terrain that extends in all directions from Fouchana.

Optimal Areas for Large-Scale Solar Development

The relatively flat to gently rolling terrain around Fouchana presents several advantageous locations for large-scale solar photovoltaic installations. The most suitable areas lie to the south and southwest of Fouchana, where the landscape opens up into broader plains with minimal topographical obstacles. These areas offer extensive flat or gently sloping surfaces that would require minimal grading for solar panel installation.

The agricultural plains extending southward toward Ben Arous and beyond provide particularly promising sites for solar development. These areas feature consistent, moderate slopes that face generally southward, which is ideal for solar panel orientation in the Northern Hemisphere. The terrain in these locations is stable, well-drained, and relatively free from the urban development pressures that characterize areas closer to central Tunis.

Areas to the east and southeast of Fouchana also present good opportunities, where the landscape transitions from suburban development to more open agricultural and semi-arid lands. The gentle gradients in these directions would allow for efficient solar array layouts while maintaining good access to existing road networks and electrical infrastructure.

The western areas, while topographically suitable, may face more competition from ongoing urban expansion and established agricultural operations. However, the higher elevation zones to the west could offer advantages in terms of air circulation and temperature management for solar installations, though these benefits would need to be weighed against increased installation complexity on more varied terrain.

Overall, the most promising locations for large-scale solar development appear to be the southern and southeastern approaches from Fouchana, where the combination of suitable topography, land availability, and infrastructure access creates optimal conditions for significant solar energy projects.

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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.