Errachidia, Morocco represents an excellent location for year-round solar PV energy generation. Located in the Northern Sub Tropics at coordinates 31.9363, -4.4267, this area benefits from consistently high solar energy production throughout all seasons.

Seasonal Solar Performance

The solar energy output at Errachidia shows strong performance across the entire year. Summer delivers the highest production at 7.97kWh per day per kW of installed solar capacity, making it the peak season for energy generation. Spring follows closely behind with 7.34kWh per day per kW, representing nearly equivalent excellent conditions. Autumn production drops to 5.54kWh per day per kW, which still represents solid energy generation. Even during winter, the location maintains respectable output at 4.54kWh per day per kW of installed capacity, demonstrating the year-round viability of solar installations in this region.

Optimal Installation Configuration

For maximum year-round solar production at Errachidia, solar panels should be installed at a fixed tilt angle of 28 degrees facing south. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel positioning, and weighting these angles according to solar irradiance data while accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several significant environmental factors at Errachidia can impact solar panel performance and require careful consideration during installation planning. **Desert dust and sand accumulation** represents the primary challenge for solar installations in this region. The arid climate and proximity to desert areas means solar panels will regularly accumulate dust, sand, and particulate matter on their surfaces, which can significantly reduce energy output by blocking sunlight from reaching the photovoltaic cells. **Extreme temperature variations** present another consideration. While abundant sunshine benefits solar production, the desert climate can create substantial temperature swings between day and night, potentially stressing solar equipment over time. **Occasional sandstorms** may occur in this region, which can not only deposit large amounts of sand on panel surfaces but also potentially cause physical damage through abrasive particles carried by strong winds.

Preventative Measures for Enhanced Performance

Several strategies can help maintain optimal solar production despite these environmental challenges:

• Regular cleaning schedule: Implement frequent panel cleaning using appropriate methods and equipment designed for desert conditions
• Anti-soiling coatings: Apply specialized hydrophobic or self-cleaning coatings to panel surfaces to reduce dust adhesion
• Automated cleaning systems: Install robotic cleaning systems or water-free cleaning mechanisms for large installations
• Proper mounting systems: Use robust mounting hardware designed to withstand temperature extremes and potential wind loading from storms
• Strategic panel positioning: Consider slight tilting beyond the optimal angle to promote natural dust removal through gravity and wind

Despite these environmental considerations, Errachidia's consistently high solar energy potential throughout the year makes it an ideal location for solar PV installations when proper maintenance and protective measures are implemented. The strong seasonal performance, particularly during summer and spring months, provides excellent opportunities for both grid-connected and off-grid solar energy systems.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 43 locations across Morocco. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Morocco by location

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

Seasonal solar PV output for Latitude: 31.9363, Longitude: -4.4267 (Errachidia, Morocco), 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 28° South in Errachidia, Morocco

To maximize your solar PV system's energy output in Errachidia, Morocco (Lat/Long 31.9363, -4.4267) throughout the year, you should tilt your panels at an angle of 28° 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 Errachidia, Morocco

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 Errachidia, Morocco. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
16° South in Summer	37° South in Autumn	47° South in Winter	25° 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 Errachidia, Morocco

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 Errachidia, Morocco.

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 Errachidia, Morocco

Topographical Features of Errachidia

Errachidia sits in a dramatic landscape where the Middle Atlas Mountains transition into the northern edge of the Sahara Desert. The city itself is positioned in a broad valley at approximately 1,000 meters above sea level, surrounded by rugged mountainous terrain to the north and west, while the landscape gradually flattens toward the southeast into the vast desert plains.

The immediate area around Errachidia is characterized by the Ziz River valley, which creates a fertile oasis corridor cutting through otherwise arid terrain. This valley system has carved deep gorges through the surrounding rocky plateaus, creating a complex topography of escarpments, wadis, and alluvial plains. The terrain varies significantly within short distances, from steep mountain slopes exceeding 2,000 meters in elevation to flat desert floors below 800 meters.

To the north and northwest, the Anti-Atlas and Middle Atlas mountain ranges create a barrier of peaks and ridges that influence local weather patterns. These mountains are composed primarily of sedimentary rocks, limestone, and sandstone formations that have been sculpted by millennia of erosion into dramatic cliff faces and deep canyons. The famous Todra and Dades gorges lie within this mountainous zone, showcasing the region's spectacular geological diversity.

Desert Plains and Plateaus

Moving southeast from Errachidia, the landscape transitions into the Tafilalt region, an extensive area of desert plains punctuated by scattered oases and seasonal lakes called sebkhas. This zone represents the northern fringe of the Sahara Desert, characterized by vast expanses of relatively flat terrain interrupted by low hills and ancient river terraces. The elevation gradually decreases toward the southeast, creating expansive areas of level ground that extend for dozens of kilometers.

These desert plains are composed of hardpan surfaces, gravel beds, and sandy soils that have been shaped by wind and occasional flash flooding. The terrain includes both reg (stony desert) and areas of consolidated sediments that provide stable foundations. Rocky outcrops and isolated hills, known as jebels, punctuate the otherwise flat landscape, while dry riverbeds called oueds snake across the plains, carrying water only during rare rainfall events.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Errachidia are found in the desert plains extending southeast and south of the city. These areas offer several key advantages including vast expanses of relatively flat terrain that minimize construction and installation costs. The stable geological conditions in these zones provide excellent foundations for solar mounting systems, while the minimal vegetation and lack of competing land uses reduce environmental and social complications.

Particularly promising are the elevated plateaus and terraces that lie between 800 and 1,200 meters in elevation, roughly 20 to 50 kilometers southeast of Errachidia. These locations benefit from stable weather patterns, minimal cloud cover throughout most of the year, and excellent accessibility via existing road networks that connect to major population centers. The terrain in these areas is sufficiently flat to accommodate large solar arrays while being elevated enough to avoid seasonal flooding from the occasional desert storms.

The areas immediately adjacent to the Ziz River valley should generally be avoided for large installations due to their agricultural importance and more complex topography. Similarly, the mountainous zones to the north and west, while receiving excellent solar exposure on south-facing slopes, present challenges related to steep gradients, rocky terrain, and difficult access that make them less economically viable for utility-scale solar development.

Infrastructure considerations also favor the southeastern desert plains, where proximity to existing transmission lines and road networks reduces development costs. The relatively short distances to major load centers, combined with the stable political and regulatory environment in Morocco, make these desert areas particularly attractive for international solar energy investments and large-scale renewable energy projects.

Morocco solar PV Stats as a country

Morocco ranks 45th in the world for cumulative solar PV capacity, with 774 total MW's of solar PV installed. This means that 1.30% of Morocco's total energy as a country comes from solar PV (that's 36th in the world). Each year Morocco is generating 21 Watts from solar PV per capita (Morocco ranks 65th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Morocco?

Yes, there are several incentives for businesses wanting to install solar energy in Morocco. The Moroccan government has implemented a number of policies and programs to encourage the adoption of renewable energy sources, including solar energy. These include tax credits, subsidies, and feed-in tariffs that provide financial support for businesses investing in solar power systems. Additionally, the Moroccan Agency for Sustainable Energy (MASEN) provides technical assistance and financing options to help businesses with their solar projects.

Do you have more up to date information than this on incentives towards solar PV projects in Morocco? 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.