Ouarzazate, Morocco represents an exceptionally favorable location for year-round solar PV energy generation. Located in the Northern Sub Tropics at coordinates 30.9146, -6.9065, this region demonstrates consistently strong solar energy production potential throughout all seasons.

Seasonal Solar Performance

The location shows impressive energy output capabilities across the year, with summer delivering the peak performance at 8.06 kWh per day per kW of installed solar capacity. Spring follows as the second-best season with 7.46 kWh per day per kW, while autumn produces 5.69 kWh per day per kW. Even during the lowest-producing winter months, the location still generates a respectable 4.63 kWh per day per kW. Summer and spring emerge as the ideal times for solar generation at this location, with summer providing nearly 75% more energy output than the winter months. The relatively modest seasonal variation demonstrates that Ouarzazate maintains good solar potential year-round, making it an excellent choice for consistent renewable energy production. For optimal performance, fixed solar panels at this location should be tilted at 28 degrees toward the south. This angle maximizes total year-round production by accounting for the sun's varying position throughout the seasons and the Earth's elliptical orbit.

Environmental and Weather Challenges

Despite its excellent solar potential, Ouarzazate faces several environmental factors that can impact solar production:

• Desert dust and sand storms: The Saharan location means frequent dust accumulation on panels, which can significantly reduce efficiency
• Extreme temperature variations: Desert conditions create intense daytime heat and dramatic temperature swings that can stress solar equipment
• Occasional sandstorms: These can temporarily block sunlight and deposit heavy layers of abrasive particles on panels
• Water scarcity: Limited water availability makes regular panel cleaning challenging

Preventative Measures for Optimal Performance

Several strategies can help maintain high energy production despite these challenges:

• Anti-soiling coatings: Apply specialized coatings to panels that reduce dust adhesion and make cleaning more effective
• Automated cleaning systems: Install robotic cleaning systems or water-free cleaning technologies designed for desert conditions
• Proper ventilation spacing: Design installations with adequate airflow to prevent overheating and reduce thermal stress
• Quality mounting systems: Use corrosion-resistant materials and secure mounting to withstand temperature extremes and wind
• Regular maintenance scheduling: Implement frequent inspection and cleaning routines, particularly during dust storm seasons

With proper planning and maintenance protocols, Ouarzazate's challenges can be effectively managed, allowing installations to capitalize on the location's outstanding solar resource potential throughout the year.

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 Ouarzazate

Seasonal solar PV output for Latitude: 30.9146, Longitude: -6.9065 (Ouarzazate, 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 Ouarzazate, Morocco

To maximize your solar PV system's energy output in Ouarzazate, Morocco (Lat/Long 30.9146, -6.9065) 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 Ouarzazate, 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 Ouarzazate, 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
15° South in Summer	36° South in Autumn	46° South in Winter	24° 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 Ouarzazate, 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 Ouarzazate, 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 Ouarzazate, Morocco

Topographical Features of the Ouarzazate Region

Ouarzazate sits in a dramatic landscape where the High Atlas Mountains meet the edge of the Sahara Desert in south-central Morocco. The city itself is positioned at approximately 1,160 meters above sea level in a broad valley known as the Draa Valley, which serves as a natural corridor between the mountainous north and the desert expanses to the south.

The terrain immediately surrounding Ouarzazate is characterized by relatively flat to gently rolling plains, punctuated by scattered hills and rocky outcrops. These plains extend southward toward the Sahara, creating expansive areas of open land with minimal vegetation. The landscape is predominantly arid, featuring sparse scrubland, occasional palm groves near water sources, and extensive areas of bare ground composed of rocky desert pavement and sandy soils.

To the north and northeast, the High Atlas Mountains rise dramatically from the valley floor, with peaks reaching well over 3,000 meters in elevation. These mountains create a natural barrier that influences local weather patterns and provides some shelter from northern weather systems. The mountain slopes are generally steep and rocky, with deep valleys and gorges carved by seasonal water flow.

Optimal Areas for Large-Scale Solar Development

The most suitable areas for large-scale solar photovoltaic installations around Ouarzazate are found on the extensive flat plains stretching south and southeast of the city. These areas offer several key advantages for solar development, including minimal topographical obstacles, excellent accessibility for construction and maintenance, and vast expanses of available land with low competing uses.

The Ouarzazate Solar Complex, one of the world's largest concentrated solar power facilities, has already been successfully established on these southern plains, demonstrating the area's exceptional suitability for solar energy projects. The terrain in this region is relatively level with gentle slopes that facilitate efficient panel installation and maintenance access while providing natural drainage.

Areas to the east and west of the city also present good opportunities for solar development, particularly where the land remains flat and accessible by existing road infrastructure. The key advantage of these locations is their distance from the steeper mountain terrain to the north, which could create shading issues or complicate installation processes.

The desert plains extending toward the southeast offer perhaps the greatest potential for future expansion of solar facilities. This region features minimal vegetation, stable geological conditions, and excellent solar exposure throughout the year due to the clear, dry climate typical of the pre-Saharan environment. The flat to gently undulating terrain in these areas minimizes grading requirements and reduces overall project costs while maximizing the efficiency of solar panel arrays.

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!

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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.