Tiaret, Algeria, located in the Northern Temperate Zone at coordinates 35.372°N, 1.3045°E, presents a highly favorable location for year-round solar photovoltaic energy generation. The region demonstrates strong solar energy potential across all seasons, making it an excellent candidate for solar installations.
Seasonal Solar Performance
The solar energy output varies significantly throughout the year, with summer providing the peak generation period at 7.60 kWh per day per kW of installed capacity. Spring follows as the second-best season with 6.39 kWh per day per kW, while autumn produces 4.39 kWh per day per kW. Winter represents the lowest production period at 3.32 kWh per day per kW, though this still provides substantial energy output compared to many other global locations. The ideal times for solar generation at this location are clearly during the summer and spring months, when the combination of longer days and more direct sunlight creates optimal conditions. Even during the winter months, the location maintains reasonable solar production levels.Optimal Panel Configuration
For fixed panel installations at Tiaret, the ideal angle to tilt solar panels to maximize total year-round production is 30 degrees facing South. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel tilt angles, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.Environmental and Weather Challenges
Several local factors could potentially impede solar production at this location, though most can be effectively managed with proper installation techniques:- Dust and Sand Accumulation: Algeria's semi-arid climate and proximity to desert regions means solar panels may accumulate dust and sand particles, reducing efficiency
- High Temperature Effects: Extreme summer heat can reduce panel efficiency despite increased sunlight availability
- Occasional Sandstorms: Desert winds may bring sandstorms that temporarily reduce solar irradiance and deposit debris on panels
Preventative Measures
To maximize energy production despite these challenges, several installation strategies prove effective: Regular cleaning schedules become essential, with automated cleaning systems or frequent manual cleaning helping maintain panel efficiency. Installing panels with adequate ventilation space underneath allows for better heat dissipation during hot summer months, preventing efficiency losses from overheating. Choosing panels with anti-reflective and hydrophobic coatings can help reduce dust adherence and make cleaning more effective. Additionally, installing monitoring systems allows for quick identification of performance drops due to dust accumulation or other factors. Proper grounding and surge protection systems protect against electrical issues during storms, while robust mounting systems ensure panels remain secure during high winds that may accompany sandstorms. Overall, Tiaret represents an excellent location for solar energy generation, with the seasonal variations and local environmental factors being manageable through appropriate installation 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 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 Tiaret
Seasonal solar PV output for Latitude: 35.372, Longitude: 1.3045 (Tiaret, 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 30° South in Tiaret, Algeria
To maximize your solar PV system's energy output in Tiaret, Algeria (Lat/Long 35.372, 1.3045) throughout the year, you should tilt your panels at an angle of 30° 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 Tiaret, 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 Tiaret, Algeria. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° 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 | 39° 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 Tiaret, 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 Tiaret, Algeria.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Tiaret, Algeria
Topographical Features Around Tiaret
Tiaret sits in the northwestern region of Algeria at an elevation of approximately 1,000 meters above sea level, positioned on the southern slopes of the Tell Atlas mountain range. The city occupies a strategic location where the mountainous terrain of northern Algeria transitions into the vast plateau regions that extend southward toward the Sahara Desert. This elevated position provides Tiaret with a commanding view over the surrounding landscape and creates a natural amphitheater effect with hills rising to the north and east.
The immediate vicinity of Tiaret is characterized by rolling hills and moderate slopes, with the terrain becoming more rugged as one moves northward into the Tell Atlas proper. These mountains reach heights of over 1,500 meters in some areas, creating a dramatic backdrop to the city. The slopes are generally covered with sparse vegetation typical of Mediterranean semi-arid climates, including scattered oak forests, scrubland, and grasslands that have been shaped by centuries of pastoral use.
To the south and southwest of Tiaret, the landscape gradually flattens into the high plateau known as the Hauts Plateaux. This region extends for hundreds of kilometers southward and is characterized by gently undulating terrain with occasional low hills and depressions. The plateau surface is relatively uniform, broken by seasonal lakes called chotts and sebkhas that fill with water during the winter months but often dry completely during summer.
Drainage Patterns and Surface Features
The drainage system around Tiaret is dominated by seasonal watercourses that flow primarily during the winter and spring months. The Wadi Mina represents the most significant drainage feature in the region, flowing generally westward toward the Mediterranean coast. This river system has carved shallow valleys through the plateau surface, creating gentle depressions that influence local topography without creating major obstacles to development.
The soil composition varies considerably across the region, with deeper, more fertile soils found in the valley bottoms and thinner, rockier soils on the hillsides and exposed plateau surfaces. Much of the plateau area consists of limestone and sandstone bedrock covered by a relatively thin layer of sedimentary deposits, creating generally stable ground conditions suitable for construction projects.
Optimal Areas for Large-Scale Solar Development
The most promising locations for extensive solar photovoltaic installations lie on the plateau regions south and southwest of Tiaret city. These areas offer several key advantages including relatively flat terrain that minimizes grading and construction costs, stable geological conditions, and minimal competing land uses. The plateau surface provides vast expanses of available land with gentle slopes that are ideal for solar panel orientation and maintenance access.
Particularly suitable areas can be found along the corridor extending from approximately 15 to 40 kilometers south of Tiaret, where the terrain is sufficiently flat to accommodate large arrays while remaining elevated enough to benefit from good air circulation and minimal fog interference. The slightly rolling nature of this landscape allows for natural drainage while avoiding the steeper slopes closer to the city that would increase installation complexity and costs.
The western plateau areas, extending toward the border with Saida province, also present excellent opportunities for solar development. These regions benefit from consistent topography, good accessibility via existing road networks, and proximity to transmission infrastructure connecting to major population centers. The sparse vegetation and limited agricultural use in these areas reduces potential land use conflicts while the stable climate patterns and low precipitation make them highly suitable for long-term solar installations.
Areas immediately north of Tiaret, while receiving excellent solar exposure due to their elevation, are less suitable for large-scale development due to the increasingly mountainous terrain and steeper slopes that would complicate construction and maintenance operations. The southern margins of the region, where the plateau begins its transition toward true desert conditions, offer additional potential but may require more careful consideration of access routes and infrastructure development costs.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 22nd of July 2025
Last Updated: Thursday 7th 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.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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